hrq1 [Scenedesmus sp. PABB004]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||||||
| YprA | COG1205 | ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, ... |
1474-2061 | 2.03e-132 | |||||||||
ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, recombination and repair]; : Pssm-ID: 440818 [Multi-domain] Cd Length: 758 Bit Score: 435.80 E-value: 2.03e-132
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| YprA super family | cl34181 | ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, ... |
912-1181 | 5.04e-110 | |||||||||
ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, recombination and repair]; The actual alignment was detected with superfamily member COG1205: Pssm-ID: 440818 [Multi-domain] Cd Length: 758 Bit Score: 370.71 E-value: 5.04e-110
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| RRM2_NUCLs | cd12451 | RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This ... |
2436-2514 | 5.60e-35 | |||||||||
RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This subfamily corresponds to the RRM2 of a group of plant nucleolin-like proteins, including nucleolin 1 (also termed protein nucleolin like 1) and nucleolin 2 (also termed protein nucleolin like 2, or protein parallel like 1). They play roles in the regulation of ribosome synthesis and in the growth and development of plants. Like yeast nucleolin, nucleolin-like proteins possess two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). : Pssm-ID: 409885 [Multi-domain] Cd Length: 79 Bit Score: 129.07 E-value: 5.60e-35
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| RRM_SF super family | cl17169 | RNA recognition motif (RRM) superfamily; RRM, also known as RBD (RNA binding domain) or RNP ... |
2343-2421 | 6.80e-24 | |||||||||
RNA recognition motif (RRM) superfamily; RRM, also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), is a highly abundant domain in eukaryotes found in proteins involved in post-transcriptional gene expression processes including mRNA and rRNA processing, RNA export, and RNA stability. This domain is 90 amino acids in length and consists of a four-stranded beta-sheet packed against two alpha-helices. RRM usually interacts with ssRNA, but is also known to interact with ssDNA as well as proteins. RRM binds a variable number of nucleotides, ranging from two to eight. The active site includes three aromatic side-chains located within the conserved RNP1 and RNP2 motifs of the domain. The RRM domain is found in a variety heterogeneous nuclear ribonucleoproteins (hnRNPs), proteins implicated in regulation of alternative splicing, and protein components of small nuclear ribonucleoproteins (snRNPs). The actual alignment was detected with superfamily member cd12450: Pssm-ID: 473069 [Multi-domain] Cd Length: 78 Bit Score: 97.47 E-value: 6.80e-24
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| PRK12678 super family | cl36163 | transcription termination factor Rho; Provisional |
619-794 | 1.30e-06 | |||||||||
transcription termination factor Rho; Provisional The actual alignment was detected with superfamily member PRK12678: Pssm-ID: 237171 [Multi-domain] Cd Length: 672 Bit Score: 54.14 E-value: 1.30e-06
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| Name | Accession | Description | Interval | E-value | |||||||||
| YprA | COG1205 | ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, ... |
1474-2061 | 2.03e-132 | |||||||||
ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, recombination and repair]; Pssm-ID: 440818 [Multi-domain] Cd Length: 758 Bit Score: 435.80 E-value: 2.03e-132
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| YprA | COG1205 | ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, ... |
912-1181 | 5.04e-110 | |||||||||
ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, recombination and repair]; Pssm-ID: 440818 [Multi-domain] Cd Length: 758 Bit Score: 370.71 E-value: 5.04e-110
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| DEXHc_Hrq1-like | cd17923 | DEAH-box helicase domain of Hrq1 and similar proteins; Yeast Hrq1, similar to RecQ4, plays a ... |
965-1148 | 7.49e-78 | |||||||||
DEAH-box helicase domain of Hrq1 and similar proteins; Yeast Hrq1, similar to RecQ4, plays a role in DNA inter-strand crosslink (ICL) repair and in telomere maintenance. Hrq1 lacks the Sld2-like domain found in RecQ4. Hrq1 belongs to the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350681 [Multi-domain] Cd Length: 182 Bit Score: 255.59 E-value: 7.49e-78
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| DECH_helic | TIGR03817 | helicase/secretion neighborhood putative DEAH-box helicase; A conserved gene neighborhood ... |
929-1245 | 2.67e-73 | |||||||||
helicase/secretion neighborhood putative DEAH-box helicase; A conserved gene neighborhood widely spread in the Actinobacteria contains this uncharacterized DEAH-box family helicase encoded convergently towards an operon of genes for protein homologous to type II secretion and pilus formation proteins. The context suggests that this helicase may play a role in conjugal transfer of DNA. Pssm-ID: 274800 [Multi-domain] Cd Length: 742 Bit Score: 261.97 E-value: 2.67e-73
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| SF2_C_Hrq | cd18797 | C-terminal helicase domain of HrQ family helicases; Yeast Hrq1, similar to RecQ4, plays a role ... |
1472-1608 | 1.16e-52 | |||||||||
C-terminal helicase domain of HrQ family helicases; Yeast Hrq1, similar to RecQ4, plays a role in DNA inter-strand crosslink (ICL) repair and in telomere maintenance. Hrq1 lacks the Sld2-like domain found in RecQ4. HrQ family helicases are DEAD-like helicases belonging to superfamily (SF)2, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. Similar to SF1 helicases, SF2 helicases do not form toroidal structures like SF3-6 helicases. Their helicase core consists of two similar protein domains that resemble the fold of the recombination protein RecA. This model describes the C-terminal domain, also called HelicC. Pssm-ID: 350184 [Multi-domain] Cd Length: 146 Bit Score: 182.07 E-value: 1.16e-52
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| RRM2_NUCLs | cd12451 | RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This ... |
2436-2514 | 5.60e-35 | |||||||||
RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This subfamily corresponds to the RRM2 of a group of plant nucleolin-like proteins, including nucleolin 1 (also termed protein nucleolin like 1) and nucleolin 2 (also termed protein nucleolin like 2, or protein parallel like 1). They play roles in the regulation of ribosome synthesis and in the growth and development of plants. Like yeast nucleolin, nucleolin-like proteins possess two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409885 [Multi-domain] Cd Length: 79 Bit Score: 129.07 E-value: 5.60e-35
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| DEAD | pfam00270 | DEAD/DEAH box helicase; Members of this family include the DEAD and DEAH box helicases. ... |
967-1143 | 2.22e-27 | |||||||||
DEAD/DEAH box helicase; Members of this family include the DEAD and DEAH box helicases. Helicases are involved in unwinding nucleic acids. The DEAD box helicases are involved in various aspects of RNA metabolism, including nuclear transcription, pre mRNA splicing, ribosome biogenesis, nucleocytoplasmic transport, translation, RNA decay and organellar gene expression. Pssm-ID: 425570 [Multi-domain] Cd Length: 165 Bit Score: 110.41 E-value: 2.22e-27
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| RRM1_NUCLs | cd12450 | RNA recognition motif 1 (RRM1) found in nucleolin-like proteins mainly from plants; This ... |
2343-2421 | 6.80e-24 | |||||||||
RNA recognition motif 1 (RRM1) found in nucleolin-like proteins mainly from plants; This subfamily corresponds to the RRM1 of a group of plant nucleolin-like proteins, including nucleolin 1 (also termed protein nucleolin like 1) and nucleolin 2 (also termed protein nucleolin like 2, or protein parallel like 1). They play roles in the regulation of ribosome synthesis and in the growth and development of plants. Like yeast nucleolin, nucleolin-like proteins possess two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409884 [Multi-domain] Cd Length: 78 Bit Score: 97.47 E-value: 6.80e-24
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| DEXDc | smart00487 | DEAD-like helicases superfamily; |
957-1150 | 2.63e-22 | |||||||||
DEAD-like helicases superfamily; Pssm-ID: 214692 [Multi-domain] Cd Length: 201 Bit Score: 97.18 E-value: 2.63e-22
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| MZB | pfam09369 | MrfA Zn-binding domain; This is the C-terminal MrfA Zn+2-binding domain (MZB, also referred to ... |
1950-2032 | 5.78e-22 | |||||||||
MrfA Zn-binding domain; This is the C-terminal MrfA Zn+2-binding domain (MZB, also referred to as DUF1998) which contains a conserved four-cysteine signature motif. These four Cys reside in a short coil between two alpha-helices and form a metal ion-binding site. This domain is frequently found at the C-terminal of ndNTPases, however, it is also found encoded in a standalone gene, downstream of putative helicase domain-encoding genes associated with bacterial anti-phage defense system DISARM. MrfA (Mitomycin repair factor A, also known as YprA in Bacillus subtilis) is a DNA helicase that supports repair of mitomycin C-induced DNA damage. MrfA homologs are widely distributed in bacteria and are also present in archaea, fungi and plants. The MrfA-homolog in yeast, Hrq1, also reduces mitomycin C sensitivity. Hrq1 has high similarity to human RecQ4 and was therefore assigned to the RecQ-like helicase family. MrfA homologs appear to be missing in Enterobacteria, however, certain pathogenic Escherichia coli and Salmonella strains harbour Z5898-like helicases with this domain. Pssm-ID: 462776 [Multi-domain] Cd Length: 78 Bit Score: 91.87 E-value: 5.78e-22
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| RRM | COG0724 | RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; |
2341-2414 | 2.04e-21 | |||||||||
RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; Pssm-ID: 440488 [Multi-domain] Cd Length: 85 Bit Score: 90.54 E-value: 2.04e-21
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| RRM | smart00360 | RNA recognition motif; |
2343-2415 | 6.19e-17 | |||||||||
RNA recognition motif; Pssm-ID: 214636 [Multi-domain] Cd Length: 73 Bit Score: 77.25 E-value: 6.19e-17
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| SF-CC1 | TIGR01622 | splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors ... |
2343-2511 | 1.07e-13 | |||||||||
splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors including the Pad-1 protein (N. crassa), CAPER (M. musculus) and CC1.3 (H.sapiens). These proteins are characterized by an N-terminal arginine-rich, low complexity domain followed by three (or in the case of 4 H. sapiens paralogs, two) RNA recognition domains (rrm: pfam00706). These splicing factors are closely related to the U2AF splicing factor family (TIGR01642). A homologous gene from Plasmodium falciparum was identified in the course of the analysis of that genome at TIGR and was included in the seed. Pssm-ID: 273721 [Multi-domain] Cd Length: 494 Bit Score: 76.50 E-value: 1.07e-13
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| RRM | COG0724 | RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; |
2434-2520 | 1.14e-13 | |||||||||
RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; Pssm-ID: 440488 [Multi-domain] Cd Length: 85 Bit Score: 68.59 E-value: 1.14e-13
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| RRM | smart00360 | RNA recognition motif; |
2436-2511 | 3.47e-13 | |||||||||
RNA recognition motif; Pssm-ID: 214636 [Multi-domain] Cd Length: 73 Bit Score: 66.46 E-value: 3.47e-13
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| HELICc | smart00490 | helicase superfamily c-terminal domain; |
1530-1598 | 1.76e-11 | |||||||||
helicase superfamily c-terminal domain; Pssm-ID: 197757 [Multi-domain] Cd Length: 82 Bit Score: 62.23 E-value: 1.76e-11
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| RRM_1 | pfam00076 | RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic ... |
2344-2414 | 6.80e-11 | |||||||||
RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins. The RRM structure consists of four strands and two helices arranged in an alpha/beta sandwich, with a third helix present during RNA binding in some cases The C-terminal beta strand (4th strand) and final helix are hard to align and have been omitted in the SEED alignment The LA proteins have an N terminal rrm which is included in the seed. There is a second region towards the C terminus that has some features characteriztic of a rrm but does not appear to have the important structural core of a rrm. The LA proteins are one of the main autoantigens in Systemic lupus erythematosus (SLE), an autoimmune disease. Pssm-ID: 425453 [Multi-domain] Cd Length: 70 Bit Score: 59.94 E-value: 6.80e-11
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| PRK09751 | PRK09751 | putative ATP-dependent helicase Lhr; Provisional |
1509-1596 | 3.40e-09 | |||||||||
putative ATP-dependent helicase Lhr; Provisional Pssm-ID: 137505 [Multi-domain] Cd Length: 1490 Bit Score: 62.63 E-value: 3.40e-09
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| PLN03134 | PLN03134 | glycine-rich RNA-binding protein 4; Provisional |
2341-2430 | 1.67e-08 | |||||||||
glycine-rich RNA-binding protein 4; Provisional Pssm-ID: 178680 [Multi-domain] Cd Length: 144 Bit Score: 55.81 E-value: 1.67e-08
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| PRK13767 | PRK13767 | ATP-dependent helicase; Provisional |
979-1150 | 7.56e-07 | |||||||||
ATP-dependent helicase; Provisional Pssm-ID: 237497 [Multi-domain] Cd Length: 876 Bit Score: 54.89 E-value: 7.56e-07
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| PRK12678 | PRK12678 | transcription termination factor Rho; Provisional |
619-794 | 1.30e-06 | |||||||||
transcription termination factor Rho; Provisional Pssm-ID: 237171 [Multi-domain] Cd Length: 672 Bit Score: 54.14 E-value: 1.30e-06
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| RRM_1 | pfam00076 | RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic ... |
2437-2503 | 2.21e-06 | |||||||||
RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins. The RRM structure consists of four strands and two helices arranged in an alpha/beta sandwich, with a third helix present during RNA binding in some cases The C-terminal beta strand (4th strand) and final helix are hard to align and have been omitted in the SEED alignment The LA proteins have an N terminal rrm which is included in the seed. There is a second region towards the C terminus that has some features characteriztic of a rrm but does not appear to have the important structural core of a rrm. The LA proteins are one of the main autoantigens in Systemic lupus erythematosus (SLE), an autoimmune disease. Pssm-ID: 425453 [Multi-domain] Cd Length: 70 Bit Score: 47.23 E-value: 2.21e-06
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| SF-CC1 | TIGR01622 | splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors ... |
2337-2415 | 2.55e-05 | |||||||||
splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors including the Pad-1 protein (N. crassa), CAPER (M. musculus) and CC1.3 (H.sapiens). These proteins are characterized by an N-terminal arginine-rich, low complexity domain followed by three (or in the case of 4 H. sapiens paralogs, two) RNA recognition domains (rrm: pfam00706). These splicing factors are closely related to the U2AF splicing factor family (TIGR01642). A homologous gene from Plasmodium falciparum was identified in the course of the analysis of that genome at TIGR and was included in the seed. Pssm-ID: 273721 [Multi-domain] Cd Length: 494 Bit Score: 49.53 E-value: 2.55e-05
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| PLN03134 | PLN03134 | glycine-rich RNA-binding protein 4; Provisional |
2435-2520 | 2.07e-03 | |||||||||
glycine-rich RNA-binding protein 4; Provisional Pssm-ID: 178680 [Multi-domain] Cd Length: 144 Bit Score: 40.79 E-value: 2.07e-03
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| Name | Accession | Description | Interval | E-value | |||||||||
| YprA | COG1205 | ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, ... |
1474-2061 | 2.03e-132 | |||||||||
ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, recombination and repair]; Pssm-ID: 440818 [Multi-domain] Cd Length: 758 Bit Score: 435.80 E-value: 2.03e-132
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| YprA | COG1205 | ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, ... |
912-1181 | 5.04e-110 | |||||||||
ATP-dependent helicase YprA, contains C-terminal metal-binding DUF1998 domain [Replication, recombination and repair]; Pssm-ID: 440818 [Multi-domain] Cd Length: 758 Bit Score: 370.71 E-value: 5.04e-110
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| DEXHc_Hrq1-like | cd17923 | DEAH-box helicase domain of Hrq1 and similar proteins; Yeast Hrq1, similar to RecQ4, plays a ... |
965-1148 | 7.49e-78 | |||||||||
DEAH-box helicase domain of Hrq1 and similar proteins; Yeast Hrq1, similar to RecQ4, plays a role in DNA inter-strand crosslink (ICL) repair and in telomere maintenance. Hrq1 lacks the Sld2-like domain found in RecQ4. Hrq1 belongs to the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350681 [Multi-domain] Cd Length: 182 Bit Score: 255.59 E-value: 7.49e-78
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| DECH_helic | TIGR03817 | helicase/secretion neighborhood putative DEAH-box helicase; A conserved gene neighborhood ... |
929-1245 | 2.67e-73 | |||||||||
helicase/secretion neighborhood putative DEAH-box helicase; A conserved gene neighborhood widely spread in the Actinobacteria contains this uncharacterized DEAH-box family helicase encoded convergently towards an operon of genes for protein homologous to type II secretion and pilus formation proteins. The context suggests that this helicase may play a role in conjugal transfer of DNA. Pssm-ID: 274800 [Multi-domain] Cd Length: 742 Bit Score: 261.97 E-value: 2.67e-73
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| SF2_C_Hrq | cd18797 | C-terminal helicase domain of HrQ family helicases; Yeast Hrq1, similar to RecQ4, plays a role ... |
1472-1608 | 1.16e-52 | |||||||||
C-terminal helicase domain of HrQ family helicases; Yeast Hrq1, similar to RecQ4, plays a role in DNA inter-strand crosslink (ICL) repair and in telomere maintenance. Hrq1 lacks the Sld2-like domain found in RecQ4. HrQ family helicases are DEAD-like helicases belonging to superfamily (SF)2, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. Similar to SF1 helicases, SF2 helicases do not form toroidal structures like SF3-6 helicases. Their helicase core consists of two similar protein domains that resemble the fold of the recombination protein RecA. This model describes the C-terminal domain, also called HelicC. Pssm-ID: 350184 [Multi-domain] Cd Length: 146 Bit Score: 182.07 E-value: 1.16e-52
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| RRM2_NUCLs | cd12451 | RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This ... |
2436-2514 | 5.60e-35 | |||||||||
RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This subfamily corresponds to the RRM2 of a group of plant nucleolin-like proteins, including nucleolin 1 (also termed protein nucleolin like 1) and nucleolin 2 (also termed protein nucleolin like 2, or protein parallel like 1). They play roles in the regulation of ribosome synthesis and in the growth and development of plants. Like yeast nucleolin, nucleolin-like proteins possess two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409885 [Multi-domain] Cd Length: 79 Bit Score: 129.07 E-value: 5.60e-35
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| DEAD | pfam00270 | DEAD/DEAH box helicase; Members of this family include the DEAD and DEAH box helicases. ... |
967-1143 | 2.22e-27 | |||||||||
DEAD/DEAH box helicase; Members of this family include the DEAD and DEAH box helicases. Helicases are involved in unwinding nucleic acids. The DEAD box helicases are involved in various aspects of RNA metabolism, including nuclear transcription, pre mRNA splicing, ribosome biogenesis, nucleocytoplasmic transport, translation, RNA decay and organellar gene expression. Pssm-ID: 425570 [Multi-domain] Cd Length: 165 Bit Score: 110.41 E-value: 2.22e-27
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| DEXHc_LHR-like | cd17922 | DEXH-box helicase domain of LHR; Large helicase-related protein (LHR) is a DNA ... |
979-1149 | 2.53e-25 | |||||||||
DEXH-box helicase domain of LHR; Large helicase-related protein (LHR) is a DNA damage-inducible helicase that uses ATP hydrolysis to drive unidirectional 3'-to-5' translocation along single-stranded DNA (ssDNA) and to unwind RNA:DNA duplexes. This group also includes related bacterial and archaeal helicases from the DEAD-like helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350680 [Multi-domain] Cd Length: 166 Bit Score: 104.59 E-value: 2.53e-25
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| RRM1_NUCLs | cd12450 | RNA recognition motif 1 (RRM1) found in nucleolin-like proteins mainly from plants; This ... |
2343-2421 | 6.80e-24 | |||||||||
RNA recognition motif 1 (RRM1) found in nucleolin-like proteins mainly from plants; This subfamily corresponds to the RRM1 of a group of plant nucleolin-like proteins, including nucleolin 1 (also termed protein nucleolin like 1) and nucleolin 2 (also termed protein nucleolin like 2, or protein parallel like 1). They play roles in the regulation of ribosome synthesis and in the growth and development of plants. Like yeast nucleolin, nucleolin-like proteins possess two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409884 [Multi-domain] Cd Length: 78 Bit Score: 97.47 E-value: 6.80e-24
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| DEXDc | smart00487 | DEAD-like helicases superfamily; |
957-1150 | 2.63e-22 | |||||||||
DEAD-like helicases superfamily; Pssm-ID: 214692 [Multi-domain] Cd Length: 201 Bit Score: 97.18 E-value: 2.63e-22
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| MZB | pfam09369 | MrfA Zn-binding domain; This is the C-terminal MrfA Zn+2-binding domain (MZB, also referred to ... |
1950-2032 | 5.78e-22 | |||||||||
MrfA Zn-binding domain; This is the C-terminal MrfA Zn+2-binding domain (MZB, also referred to as DUF1998) which contains a conserved four-cysteine signature motif. These four Cys reside in a short coil between two alpha-helices and form a metal ion-binding site. This domain is frequently found at the C-terminal of ndNTPases, however, it is also found encoded in a standalone gene, downstream of putative helicase domain-encoding genes associated with bacterial anti-phage defense system DISARM. MrfA (Mitomycin repair factor A, also known as YprA in Bacillus subtilis) is a DNA helicase that supports repair of mitomycin C-induced DNA damage. MrfA homologs are widely distributed in bacteria and are also present in archaea, fungi and plants. The MrfA-homolog in yeast, Hrq1, also reduces mitomycin C sensitivity. Hrq1 has high similarity to human RecQ4 and was therefore assigned to the RecQ-like helicase family. MrfA homologs appear to be missing in Enterobacteria, however, certain pathogenic Escherichia coli and Salmonella strains harbour Z5898-like helicases with this domain. Pssm-ID: 462776 [Multi-domain] Cd Length: 78 Bit Score: 91.87 E-value: 5.78e-22
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| RRM | COG0724 | RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; |
2341-2414 | 2.04e-21 | |||||||||
RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; Pssm-ID: 440488 [Multi-domain] Cd Length: 85 Bit Score: 90.54 E-value: 2.04e-21
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| SF2-N | cd00046 | N-terminal DEAD/H-box helicase domain of superfamily 2 helicases; The DEAD/H-like superfamily ... |
979-1137 | 1.48e-19 | |||||||||
N-terminal DEAD/H-box helicase domain of superfamily 2 helicases; The DEAD/H-like superfamily 2 helicases comprise a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This N-terminal domain contains the ATP-binding region. Pssm-ID: 350668 [Multi-domain] Cd Length: 146 Bit Score: 87.46 E-value: 1.48e-19
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| RRM2_gar2 | cd12448 | RNA recognition motif 2 (RRM2) found in yeast protein gar2 and similar proteins; This ... |
2344-2416 | 4.86e-18 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast protein gar2 and similar proteins; This subfamily corresponds to the RRM2 of yeast protein gar2, a novel nucleolar protein required for 18S rRNA and 40S ribosomal subunit accumulation. It shares similar domain architecture with nucleolin from vertebrates and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of gar2 is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of gar2 contains two closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The C-terminal RGG (or GAR) domain of gar2 is rich in glycine, arginine and phenylalanine residues. Pssm-ID: 409882 [Multi-domain] Cd Length: 73 Bit Score: 80.53 E-value: 4.86e-18
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| RRM_CSTF2_RNA15_like | cd12398 | RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), yeast ... |
2343-2418 | 7.94e-18 | |||||||||
RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), yeast ortholog mRNA 3'-end-processing protein RNA15 and similar proteins; This subfamily corresponds to the RRM domain of CSTF2, its tau variant and eukaryotic homologs. CSTF2, also termed cleavage stimulation factor 64 kDa subunit (CstF64), is the vertebrate conterpart of yeast mRNA 3'-end-processing protein RNA15. It is expressed in all somatic tissues and is one of three cleavage stimulatory factor (CstF) subunits required for polyadenylation. CstF64 contains an N-terminal RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), a CstF77-binding domain, a repeated MEARA helical region and a conserved C-terminal domain reported to bind the transcription factor PC-4. During polyadenylation, CstF interacts with the pre-mRNA through the RRM of CstF64 at U- or GU-rich sequences within 10 to 30 nucleotides downstream of the cleavage site. CSTF2T, also termed tauCstF64, is a paralog of the X-linked cleavage stimulation factor CstF64 protein that supports polyadenylation in most somatic cells. It is expressed during meiosis and subsequent haploid differentiation in a more limited set of tissues and cell types, largely in meiotic and postmeiotic male germ cells, and to a lesser extent in brain. The loss of CSTF2T will cause male infertility, as it is necessary for spermatogenesis and fertilization. Moreover, CSTF2T is required for expression of genes involved in morphological differentiation of spermatids, as well as for genes having products that function during interaction of motile spermatozoa with eggs. It promotes germ cell-specific patterns of polyadenylation by using its RRM to bind to different sequence elements downstream of polyadenylation sites than does CstF64. The family also includes yeast ortholog mRNA 3'-end-processing protein RNA15 and similar proteins. RNA15 is a core subunit of cleavage factor IA (CFIA), an essential transcriptional 3'-end processing factor from Saccharomyces cerevisiae. RNA recognition by CFIA is mediated by an N-terminal RRM, which is contained in the RNA15 subunit of the complex. The RRM of RNA15 has a strong preference for GU-rich RNAs, mediated by a binding pocket that is entirely conserved in both yeast and vertebrate RNA15 orthologs. Pssm-ID: 409832 [Multi-domain] Cd Length: 77 Bit Score: 79.87 E-value: 7.94e-18
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| SF2_C_LHR | cd18796 | C-terminal helicase domain of LHR family helicases; Large helicase-related protein (LHR) is a ... |
1488-1598 | 4.99e-17 | |||||||||
C-terminal helicase domain of LHR family helicases; Large helicase-related protein (LHR) is a DNA damage-inducible helicase that uses ATP hydrolysis to drive unidirectional 3'-to-5' translocation along single-stranded DNA (ssDNA) and to unwind RNA:DNA duplexes. This group also includes related bacterial and archaeal helicases. LHR family helicases are DEAD-like helicases belonging to superfamily (SF)2, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. Similar to SF1 helicases, SF2 helicases do not form toroidal structures like SF3-6 helicases. Their helicase core consists of two similar protein domains that resemble the fold of the recombination protein RecA. This model describes the C-terminal domain, also called HelicC. Pssm-ID: 350183 [Multi-domain] Cd Length: 150 Bit Score: 80.39 E-value: 4.99e-17
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| RRM | smart00360 | RNA recognition motif; |
2343-2415 | 6.19e-17 | |||||||||
RNA recognition motif; Pssm-ID: 214636 [Multi-domain] Cd Length: 73 Bit Score: 77.25 E-value: 6.19e-17
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| RRM2_NsCP33_like | cd21608 | RNA recognition motif 2 (RRM2) found in Nicotiana sylvestris chloroplastic 33 kDa ... |
2343-2413 | 8.76e-17 | |||||||||
RNA recognition motif 2 (RRM2) found in Nicotiana sylvestris chloroplastic 33 kDa ribonucleoprotein (NsCP33) and similar proteins; The family includes NsCP33, Arabidopsis thaliana chloroplastic 31 kDa ribonucleoprotein (CP31A) and mitochondrial glycine-rich RNA-binding protein 2 (AtGR-RBP2). NsCP33 may be involved in splicing and/or processing of chloroplast RNA's. AtCP31A, also called RNA-binding protein 1/2/3 (AtRBP33), or RNA-binding protein CP31A, or RNA-binding protein RNP-T, or RNA-binding protein cp31, is required for specific RNA editing events in chloroplasts and stabilizes specific chloroplast mRNAs, as well as for normal chloroplast development under cold stress conditions by stabilizing transcripts of numerous mRNAs under these conditions. CP31A may modulate telomere replication through RNA binding domains. AtGR-RBP2, also called AtRBG2, or glycine-rich protein 2 (AtGRP2), or mitochondrial RNA-binding protein 1a (At-mRBP1a), plays a role in RNA transcription or processing during stress. It binds RNAs and DNAs sequence with a preference to single-stranded nucleic acids. AtGR-RBP2 displays strong affinity to poly(U) sequence. It exerts cold and freezing tolerance, probably by exhibiting an RNA chaperone activity during the cold and freezing adaptation process. Some members in this family contain two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the second RRM motif. Pssm-ID: 410187 [Multi-domain] Cd Length: 76 Bit Score: 76.82 E-value: 8.76e-17
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| RRM2_PHIP1 | cd12272 | RNA recognition motif 2 (RRM2) found in Arabidopsis thaliana phragmoplastin interacting ... |
2343-2416 | 1.69e-16 | |||||||||
RNA recognition motif 2 (RRM2) found in Arabidopsis thaliana phragmoplastin interacting protein 1 (PHIP1) and similar proteins; The CD corresponds to the RRM2 of PHIP1. A. thaliana PHIP1 and its homologs represent a novel class of plant-specific RNA-binding proteins that may play a unique role in the polarized mRNA transport to the vicinity of the cell plate. The family members consist of multiple functional domains, including a lysine-rich domain (KRD domain) that contains three nuclear localization motifs (KKKR/NK), two RNA recognition motifs (RRMs), and three CCHC-type zinc fingers. PHIP1 is a peripheral membrane protein and is localized at the cell plate during cytokinesis in plants. In addition to phragmoplastin, PHIP1 interacts with two Arabidopsis small GTP-binding proteins, Rop1 and Ran2. However, PHIP1 interacted only with the GTP-bound form of Rop1 but not the GDP-bound form. It also binds specifically to Ran2 mRNA. Pssm-ID: 409715 [Multi-domain] Cd Length: 73 Bit Score: 75.90 E-value: 1.69e-16
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| Lhr | COG1201 | Lhr-like helicase [Replication, recombination and repair]; |
1498-1598 | 4.92e-16 | |||||||||
Lhr-like helicase [Replication, recombination and repair]; Pssm-ID: 440814 [Multi-domain] Cd Length: 850 Bit Score: 84.77 E-value: 4.92e-16
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| RRM2_RBM34 | cd12395 | RNA recognition motif 2 (RRM2) found in RNA-binding protein 34 (RBM34) and similar proteins; ... |
2343-2413 | 9.11e-16 | |||||||||
RNA recognition motif 2 (RRM2) found in RNA-binding protein 34 (RBM34) and similar proteins; This subfamily corresponds to the RRM2 of RBM34, a putative RNA-binding protein containing two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Although the function of RBM34 remains unclear currently, its RRM domains may participate in mRNA processing. RBM34 may act as an mRNA processing-related protein. Pssm-ID: 409829 [Multi-domain] Cd Length: 73 Bit Score: 74.07 E-value: 9.11e-16
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| RRM2_gar2 | cd12448 | RNA recognition motif 2 (RRM2) found in yeast protein gar2 and similar proteins; This ... |
2449-2512 | 2.49e-15 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast protein gar2 and similar proteins; This subfamily corresponds to the RRM2 of yeast protein gar2, a novel nucleolar protein required for 18S rRNA and 40S ribosomal subunit accumulation. It shares similar domain architecture with nucleolin from vertebrates and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of gar2 is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of gar2 contains two closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The C-terminal RGG (or GAR) domain of gar2 is rich in glycine, arginine and phenylalanine residues. Pssm-ID: 409882 [Multi-domain] Cd Length: 73 Bit Score: 72.83 E-value: 2.49e-15
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| RRM_CSTF2_CSTF2T | cd12671 | RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), cleavage ... |
2343-2419 | 1.01e-14 | |||||||||
RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), cleavage stimulation factor subunit 2 tau variant (CSTF2T) and similar proteins; This subgroup corresponds to the RRM domain of CSTF2, its tau variant and eukaryotic homologs. CSTF2, also termed cleavage stimulation factor 64 kDa subunit (CstF64), is the vertebrate conterpart of yeast mRNA 3'-end-processing protein RNA15. It is expressed in all somatic tissues and is one of three cleavage stimulatory factor (CstF) subunits required for polyadenylation. CstF64 contains an N-terminal RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), a CstF77-binding domain, a repeated MEARA helical region and a conserved C-terminal domain reported to bind the transcription factor PC-4. During polyadenylation, CstF interacts with the pre-mRNA through the RRM of CstF64 at U- or GU-rich sequences within 10 to 30 nucleotides downstream of the cleavage site. CSTF2T, also termed tauCstF64, is a paralog of the X-linked cleavage stimulation factor CstF64 protein that supports polyadenylation in most somatic cells. It is expressed during meiosis and subsequent haploid differentiation in a more limited set of tissues and cell types, largely in meiotic and postmeiotic male germ cells, and to a lesser extent in brain. The loss of CSTF2T will cause male infertility, as it is necessary for spermatogenesis and fertilization. Moreover, CSTF2T is required for expression of genes involved in morphological differentiation of spermatids, as well as for genes having products that function during interaction of motile spermatozoa with eggs. It promotes germ cell-specific patterns of polyadenylation by using its RRM to bind to different sequence elements downstream of polyadenylation sites than does CstF64. Pssm-ID: 410072 [Multi-domain] Cd Length: 85 Bit Score: 71.39 E-value: 1.01e-14
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| BRR2 | COG1204 | Replicative superfamily II helicase [Replication, recombination and repair]; |
954-1148 | 8.49e-14 | |||||||||
Replicative superfamily II helicase [Replication, recombination and repair]; Pssm-ID: 440817 [Multi-domain] Cd Length: 529 Bit Score: 76.86 E-value: 8.49e-14
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| SF-CC1 | TIGR01622 | splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors ... |
2343-2511 | 1.07e-13 | |||||||||
splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors including the Pad-1 protein (N. crassa), CAPER (M. musculus) and CC1.3 (H.sapiens). These proteins are characterized by an N-terminal arginine-rich, low complexity domain followed by three (or in the case of 4 H. sapiens paralogs, two) RNA recognition domains (rrm: pfam00706). These splicing factors are closely related to the U2AF splicing factor family (TIGR01642). A homologous gene from Plasmodium falciparum was identified in the course of the analysis of that genome at TIGR and was included in the seed. Pssm-ID: 273721 [Multi-domain] Cd Length: 494 Bit Score: 76.50 E-value: 1.07e-13
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| RRM | COG0724 | RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; |
2434-2520 | 1.14e-13 | |||||||||
RNA recognition motif (RRM) domain [Translation, ribosomal structure and biogenesis]; Pssm-ID: 440488 [Multi-domain] Cd Length: 85 Bit Score: 68.59 E-value: 1.14e-13
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| RRM_eIF4H | cd12401 | RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4H (eIF-4H) and ... |
2342-2421 | 1.23e-13 | |||||||||
RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4H (eIF-4H) and similar proteins; This subfamily corresponds to the RRM of eIF-4H, also termed Williams-Beuren syndrome chromosomal region 1 protein, which, together with elf-4B/eIF-4G, serves as the accessory protein of RNA helicase eIF-4A. eIF-4H contains a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). It stimulates protein synthesis by enhancing the helicase activity of eIF-4A in the initiation step of mRNA translation. Pssm-ID: 409835 [Multi-domain] Cd Length: 84 Bit Score: 68.47 E-value: 1.23e-13
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| RRM_Nop6 | cd12400 | RNA recognition motif (RRM) found in Saccharomyces cerevisiae nucleolar protein 6 (Nop6) and ... |
2344-2390 | 1.48e-13 | |||||||||
RNA recognition motif (RRM) found in Saccharomyces cerevisiae nucleolar protein 6 (Nop6) and similar proteins; This subfamily corresponds to the RRM of Nop6, also known as Ydl213c, a component of 90S pre-ribosomal particles in yeast S. cerevisiae. It is enriched in the nucleolus and is required for 40S ribosomal subunit biogenesis. Nop6 is a non-essential putative RNA-binding protein with two N-terminal putative nuclear localisation sequences (NLS-1 and NLS-2) and an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). It binds to the pre-rRNA early during transcription and plays an essential role in pre-rRNA processing. Pssm-ID: 409834 [Multi-domain] Cd Length: 74 Bit Score: 67.63 E-value: 1.48e-13
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| RRM_HP0827_like | cd12399 | RNA recognition motif (RRM) found in Helicobacter pylori HP0827 protein and similar proteins; ... |
2344-2418 | 2.36e-13 | |||||||||
RNA recognition motif (RRM) found in Helicobacter pylori HP0827 protein and similar proteins; This subfamily corresponds to the RRM of H. pylori HP0827, a putative ssDNA-binding protein 12rnp2 precursor, containing one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). The ssDNA binding may be important in activation of HP0827. Pssm-ID: 409833 [Multi-domain] Cd Length: 75 Bit Score: 67.16 E-value: 2.36e-13
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| RRM_eIF4B | cd12402 | RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4B (eIF-4B) and ... |
2343-2421 | 2.50e-13 | |||||||||
RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4B (eIF-4B) and similar proteins; This subfamily corresponds to the RRM of eIF-4B, a multi-domain RNA-binding protein that has been primarily implicated in promoting the binding of 40S ribosomal subunits to mRNA during translation initiation. It contains two RNA-binding domains; the N-terminal well-conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), binds the 18S rRNA of the 40S ribosomal subunit and the C-terminal basic domain (BD), including two arginine-rich motifs (ARMs), binds mRNA during initiation, and is primarily responsible for the stimulation of the helicase activity of eIF-4A. eIF-4B also contains a DRYG domain (a region rich in Asp, Arg, Tyr, and Gly amino acids) in the middle, which is responsible for both, self-association of eIF-4B and binding to the p170 subunit of eIF3. Additional research indicates that eIF-4B can interact with the poly(A) binding protein (PABP) in mammalian cells, which can stimulate both, the eIF-4B-mediated activation of the helicase activity of eIF-4A and binding of poly(A) by PABP. eIF-4B has also been shown to interact specifically with the internal ribosome entry sites (IRES) of several picornaviruses which facilitate cap-independent translation initiation. Pssm-ID: 409836 [Multi-domain] Cd Length: 81 Bit Score: 67.24 E-value: 2.50e-13
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| RRM | smart00360 | RNA recognition motif; |
2436-2511 | 3.47e-13 | |||||||||
RNA recognition motif; Pssm-ID: 214636 [Multi-domain] Cd Length: 73 Bit Score: 66.46 E-value: 3.47e-13
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| RRM2_PHIP1 | cd12272 | RNA recognition motif 2 (RRM2) found in Arabidopsis thaliana phragmoplastin interacting ... |
2449-2512 | 1.06e-12 | |||||||||
RNA recognition motif 2 (RRM2) found in Arabidopsis thaliana phragmoplastin interacting protein 1 (PHIP1) and similar proteins; The CD corresponds to the RRM2 of PHIP1. A. thaliana PHIP1 and its homologs represent a novel class of plant-specific RNA-binding proteins that may play a unique role in the polarized mRNA transport to the vicinity of the cell plate. The family members consist of multiple functional domains, including a lysine-rich domain (KRD domain) that contains three nuclear localization motifs (KKKR/NK), two RNA recognition motifs (RRMs), and three CCHC-type zinc fingers. PHIP1 is a peripheral membrane protein and is localized at the cell plate during cytokinesis in plants. In addition to phragmoplastin, PHIP1 interacts with two Arabidopsis small GTP-binding proteins, Rop1 and Ran2. However, PHIP1 interacted only with the GTP-bound form of Rop1 but not the GDP-bound form. It also binds specifically to Ran2 mRNA. Pssm-ID: 409715 [Multi-domain] Cd Length: 73 Bit Score: 65.11 E-value: 1.06e-12
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| Helicase_C | pfam00271 | Helicase conserved C-terminal domain; The Prosite family is restricted to DEAD/H helicases, ... |
1493-1597 | 1.16e-12 | |||||||||
Helicase conserved C-terminal domain; The Prosite family is restricted to DEAD/H helicases, whereas this domain family is found in a wide variety of helicases and helicase related proteins. It may be that this is not an autonomously folding unit, but an integral part of the helicase. Pssm-ID: 459740 [Multi-domain] Cd Length: 109 Bit Score: 66.47 E-value: 1.16e-12
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| DEXHc_Ski2 | cd17921 | DEXH-box helicase domain of DEAD-like helicase Ski2 family proteins; Ski2-like RNA helicases ... |
965-1141 | 1.16e-12 | |||||||||
DEXH-box helicase domain of DEAD-like helicase Ski2 family proteins; Ski2-like RNA helicases play an important role in RNA degradation, processing, and splicing pathways. They belong to the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350679 [Multi-domain] Cd Length: 181 Bit Score: 68.83 E-value: 1.16e-12
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| SF2_C_RecQ | cd18794 | C-terminal helicase domain of the RecQ family helicases; The RecQ helicase family is an ... |
1497-1604 | 1.20e-12 | |||||||||
C-terminal helicase domain of the RecQ family helicases; The RecQ helicase family is an evolutionarily conserved class of enzymes, dedicated to preserving genomic integrity by operating in telomere maintenance, DNA repair, and replication. They are DEAD-like helicases belonging to superfamily (SF)2, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. Similar to SF1 helicases, SF2 helicases do not form toroidal structures like SF3-6 helicases. Their helicase core consists of two similar protein domains that resemble the fold of the recombination protein RecA. This model describes the C-terminal domain, also called HelicC. Pssm-ID: 350181 [Multi-domain] Cd Length: 134 Bit Score: 67.23 E-value: 1.20e-12
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| RRM1_gar2 | cd12447 | RNA recognition motif 1 (RRM1) found in yeast protein gar2 and similar proteins; This ... |
2343-2418 | 1.42e-12 | |||||||||
RNA recognition motif 1 (RRM1) found in yeast protein gar2 and similar proteins; This subfamily corresponds to the RRM1 of yeast protein gar2, a novel nucleolar protein required for 18S rRNA and 40S ribosomal subunit accumulation. It shares similar domain architecture with nucleolin from vertebrates and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of gar2 is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of gar2 contains two closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The C-terminal RGG (or GAR) domain of gar2 is rich in glycine, arginine and phenylalanine residues. Pssm-ID: 409881 [Multi-domain] Cd Length: 76 Bit Score: 65.15 E-value: 1.42e-12
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| RRM1_SART3 | cd12391 | RNA recognition motif 1 (RRM1) found in squamous cell carcinoma antigen recognized by T-cells ... |
2343-2422 | 1.63e-12 | |||||||||
RNA recognition motif 1 (RRM1) found in squamous cell carcinoma antigen recognized by T-cells 3 (SART3) and similar proteins; This subfamily corresponds to the RRM1 of SART3, also termed Tat-interacting protein of 110 kDa (Tip110), an RNA-binding protein expressed in the nucleus of the majority of proliferating cells, including normal cells and malignant cells, but not in normal tissues except for the testes and fetal liver. It is involved in the regulation of mRNA splicing probably via its complex formation with RNA-binding protein with a serine-rich domain (RNPS1), a pre-mRNA-splicing factor. SART3 has also been identified as a nuclear Tat-interacting protein that regulates Tat transactivation activity through direct interaction and functions as an important cellular factor for HIV-1 gene expression and viral replication. In addition, SART3 is required for U6 snRNP targeting to Cajal bodies. It binds specifically and directly to the U6 snRNA, interacts transiently with the U6 and U4/U6 snRNPs, and promotes the reassembly of U4/U6 snRNPs after splicing in vitro. SART3 contains an N-terminal half-a-tetratricopeptide repeat (HAT)-rich domain, a nuclearlocalization signal (NLS) domain, and two C-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409825 [Multi-domain] Cd Length: 72 Bit Score: 64.56 E-value: 1.63e-12
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| RRM_SF | cd00590 | RNA recognition motif (RRM) superfamily; RRM, also known as RBD (RNA binding domain) or RNP ... |
2344-2416 | 1.67e-12 | |||||||||
RNA recognition motif (RRM) superfamily; RRM, also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), is a highly abundant domain in eukaryotes found in proteins involved in post-transcriptional gene expression processes including mRNA and rRNA processing, RNA export, and RNA stability. This domain is 90 amino acids in length and consists of a four-stranded beta-sheet packed against two alpha-helices. RRM usually interacts with ssRNA, but is also known to interact with ssDNA as well as proteins. RRM binds a variable number of nucleotides, ranging from two to eight. The active site includes three aromatic side-chains located within the conserved RNP1 and RNP2 motifs of the domain. The RRM domain is found in a variety heterogeneous nuclear ribonucleoproteins (hnRNPs), proteins implicated in regulation of alternative splicing, and protein components of small nuclear ribonucleoproteins (snRNPs). Pssm-ID: 409669 [Multi-domain] Cd Length: 72 Bit Score: 64.61 E-value: 1.67e-12
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| RRM_II_PABPs | cd12306 | RNA recognition motif in type II polyadenylate-binding proteins; This subfamily corresponds to ... |
2344-2414 | 2.07e-12 | |||||||||
RNA recognition motif in type II polyadenylate-binding proteins; This subfamily corresponds to the RRM of type II polyadenylate-binding proteins (PABPs), including polyadenylate-binding protein 2 (PABP-2 or PABPN1), embryonic polyadenylate-binding protein 2 (ePABP-2 or PABPN1L) and similar proteins. PABPs are highly conserved proteins that bind to the poly(A) tail present at the 3' ends of most eukaryotic mRNAs. They have been implicated in the regulation of poly(A) tail length during the polyadenylation reaction, translation initiation, mRNA stabilization by influencing the rate of deadenylation and inhibition of mRNA decapping. ePABP-2 is predominantly located in the cytoplasm and PABP-2 is located in the nucleus. In contrast to the type I PABPs containing four copies of RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), the type II PABPs contains a single highly-conserved RRM. This subfamily also includes Saccharomyces cerevisiae RBP29 (SGN1, YIR001C) gene encoding cytoplasmic mRNA-binding protein Rbp29 that binds preferentially to poly(A). Although not essential for cell viability, Rbp29 plays a role in modulating the expression of cytoplasmic mRNA. Like other type II PABPs, Rbp29 contains one RRM only. Pssm-ID: 409747 [Multi-domain] Cd Length: 73 Bit Score: 64.63 E-value: 2.07e-12
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| RRM2_NUCLs | cd12451 | RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This ... |
2343-2416 | 2.25e-12 | |||||||||
RNA recognition motif 2 (RRM2) found in nucleolin-like proteins mainly from plants; This subfamily corresponds to the RRM2 of a group of plant nucleolin-like proteins, including nucleolin 1 (also termed protein nucleolin like 1) and nucleolin 2 (also termed protein nucleolin like 2, or protein parallel like 1). They play roles in the regulation of ribosome synthesis and in the growth and development of plants. Like yeast nucleolin, nucleolin-like proteins possess two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409885 [Multi-domain] Cd Length: 79 Bit Score: 64.74 E-value: 2.25e-12
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| RRM_RBM8 | cd12324 | RNA recognition motif (RRM) found in RNA-binding protein RBM8A, RBM8B nd similar proteins; ... |
2432-2512 | 1.07e-11 | |||||||||
RNA recognition motif (RRM) found in RNA-binding protein RBM8A, RBM8B nd similar proteins; This subfamily corresponds to the RRM of RBM8, also termed binder of OVCA1-1 (BOV-1), or RNA-binding protein Y14, which is one of the components of the exon-exon junction complex (EJC). It has two isoforms, RBM8A and RBM8B, both of which are identical except that RBM8B is 16 amino acids shorter at its N-terminus. RBM8, together with other EJC components (such as Magoh, Aly/REF, RNPS1, Srm160, and Upf3), plays critical roles in postsplicing processing, including nuclear export and cytoplasmic localization of the mRNA, and the nonsense-mediated mRNA decay (NMD) surveillance process. RBM8 binds to mRNA 20-24 nucleotides upstream of a spliced exon-exon junction. It is also involved in spliced mRNA nuclear export, and the process of nonsense-mediated decay of mRNAs with premature stop codons. RBM8 forms a specific heterodimer complex with the EJC protein Magoh which then associates with Aly/REF, RNPS1, DEK, and SRm160 on the spliced mRNA, and inhibits ATP turnover by eIF4AIII, thereby trapping the EJC core onto RNA. RBM8 contains an N-terminal putative bipartite nuclear localization signal, one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), in the central region, and a C-terminal serine-arginine rich region (SR domain) and glycine-arginine rich region (RG domain). Pssm-ID: 409762 [Multi-domain] Cd Length: 88 Bit Score: 63.01 E-value: 1.07e-11
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| HELICc | smart00490 | helicase superfamily c-terminal domain; |
1530-1598 | 1.76e-11 | |||||||||
helicase superfamily c-terminal domain; Pssm-ID: 197757 [Multi-domain] Cd Length: 82 Bit Score: 62.23 E-value: 1.76e-11
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| RRM2_Nop12p_like | cd12670 | RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 12 (Nop12p) and similar ... |
2344-2415 | 3.53e-11 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 12 (Nop12p) and similar proteins; This subgroup corresponds to the RRM2 of Nop12p, which is encoded by YOL041C from Saccharomyces cerevisiae. It is a novel nucleolar protein required for pre-25S rRNA processing and normal rates of cell growth at low temperatures. Nop12p shares high sequence similarity with nucleolar protein 13 (Nop13p). Both, Nop12p and Nop13p, are not essential for growth. However, unlike Nop13p that localizes primarily to the nucleolus but is also present in the nucleoplasm to a lesser extent, Nop12p is localized to the nucleolus. Nop12p contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 410071 [Multi-domain] Cd Length: 77 Bit Score: 61.31 E-value: 3.53e-11
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| RRM_1 | pfam00076 | RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic ... |
2344-2414 | 6.80e-11 | |||||||||
RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins. The RRM structure consists of four strands and two helices arranged in an alpha/beta sandwich, with a third helix present during RNA binding in some cases The C-terminal beta strand (4th strand) and final helix are hard to align and have been omitted in the SEED alignment The LA proteins have an N terminal rrm which is included in the seed. There is a second region towards the C terminus that has some features characteriztic of a rrm but does not appear to have the important structural core of a rrm. The LA proteins are one of the main autoantigens in Systemic lupus erythematosus (SLE), an autoimmune disease. Pssm-ID: 425453 [Multi-domain] Cd Length: 70 Bit Score: 59.94 E-value: 6.80e-11
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| RRM1_NUCLs | cd12450 | RNA recognition motif 1 (RRM1) found in nucleolin-like proteins mainly from plants; This ... |
2436-2513 | 7.27e-11 | |||||||||
RNA recognition motif 1 (RRM1) found in nucleolin-like proteins mainly from plants; This subfamily corresponds to the RRM1 of a group of plant nucleolin-like proteins, including nucleolin 1 (also termed protein nucleolin like 1) and nucleolin 2 (also termed protein nucleolin like 2, or protein parallel like 1). They play roles in the regulation of ribosome synthesis and in the growth and development of plants. Like yeast nucleolin, nucleolin-like proteins possess two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409884 [Multi-domain] Cd Length: 78 Bit Score: 60.11 E-value: 7.27e-11
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| RRM_SF | cd00590 | RNA recognition motif (RRM) superfamily; RRM, also known as RBD (RNA binding domain) or RNP ... |
2437-2512 | 1.55e-10 | |||||||||
RNA recognition motif (RRM) superfamily; RRM, also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), is a highly abundant domain in eukaryotes found in proteins involved in post-transcriptional gene expression processes including mRNA and rRNA processing, RNA export, and RNA stability. This domain is 90 amino acids in length and consists of a four-stranded beta-sheet packed against two alpha-helices. RRM usually interacts with ssRNA, but is also known to interact with ssDNA as well as proteins. RRM binds a variable number of nucleotides, ranging from two to eight. The active site includes three aromatic side-chains located within the conserved RNP1 and RNP2 motifs of the domain. The RRM domain is found in a variety heterogeneous nuclear ribonucleoproteins (hnRNPs), proteins implicated in regulation of alternative splicing, and protein components of small nuclear ribonucleoproteins (snRNPs). Pssm-ID: 409669 [Multi-domain] Cd Length: 72 Bit Score: 59.22 E-value: 1.55e-10
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| RRM1_PSRP2_like | cd21609 | RNA recognition motif 1 (RRM1) found in chloroplastic plastid-specific 30S ribosomal protein 2 ... |
2344-2419 | 2.55e-10 | |||||||||
RNA recognition motif 1 (RRM1) found in chloroplastic plastid-specific 30S ribosomal protein 2 (PSRP-2) and similar proteins; PSRP-2, also called chloroplastic 30S ribosomal protein 2, or chloroplastic small ribosomal subunit protein cS22, is a component of the chloroplast ribosome (chloro-ribosome), a dedicated translation machinery responsible for the synthesis of chloroplast genome-encoded proteins, including proteins of the transcription and translation machinery and components of the photosynthetic apparatus. It binds single strand DNA (ssDNA) and RNA in vitro. It exhibits RNA chaperone activity and regulates negatively resistance responses to abiotic stresses during seed germination (e.g. salt, dehydration, and low temperature) and seedling growth (e.g. salt). The family also includes Nicotiana sylvestris chloroplastic 33 kDa ribonucleoprotein (NsCP33) and Arabidopsis thaliana chloroplastic 31 kDa ribonucleoprotein (AtCP31A). NsCP33 may be involved in splicing and/or processing of chloroplast RNA's. AtCP31A, also called RNA-binding protein 1/2/3 (AtRBP33), or RNA-binding protein CP31A, or RNA-binding protein RNP-T, or RNA-binding protein cp31, is required for specific RNA editing events in chloroplasts and stabilizes specific chloroplast mRNAs, as well as for normal chloroplast development under cold stress conditions by stabilizing transcripts of numerous mRNAs under these conditions. CP31A may modulate telomere replication through RNA binding domains. Members in this family contain two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the first RRM motif. Pssm-ID: 410188 [Multi-domain] Cd Length: 80 Bit Score: 58.97 E-value: 2.55e-10
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| RRM1_PHIP1 | cd12271 | RNA recognition motif 1 (RRM1) found in Arabidopsis thaliana phragmoplastin interacting ... |
2344-2415 | 3.22e-10 | |||||||||
RNA recognition motif 1 (RRM1) found in Arabidopsis thaliana phragmoplastin interacting protein 1 (PHIP1) and similar proteins; This subfamily corresponds to the RRM1 of PHIP1. A. thaliana PHIP1 and its homologs represent a novel class of plant-specific RNA-binding proteins that may play a unique role in the polarized mRNA transport to the vicinity of the cell plate. The family members consist of multiple functional domains, including a lysine-rich domain (KRD domain) that contains three nuclear localization motifs (KKKR/NK), two RNA recognition motifs (RRMs), and three CCHC-type zinc fingers. PHIP1 is a peripheral membrane protein and is localized at the cell plate during cytokinesis in plants. In addition to phragmoplastin, PHIP1 interacts with two Arabidopsis small GTP-binding proteins, Rop1 and Ran2. However, PHIP1 interacted only with the GTP-bound form of Rop1 but not the GDP-bound form. It also binds specifically to Ran2 mRNA. Pssm-ID: 409714 [Multi-domain] Cd Length: 72 Bit Score: 58.11 E-value: 3.22e-10
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| DEXHc_RecQ | cd17920 | DEXH-box helicase domain of RecQ family proteins; The RecQ family of the type II DEAD box ... |
966-1100 | 5.51e-10 | |||||||||
DEXH-box helicase domain of RecQ family proteins; The RecQ family of the type II DEAD box helicase superfamily is a family of highly conserved DNA repair helicases. This domain contains the ATP-binding region. Pssm-ID: 350678 [Multi-domain] Cd Length: 200 Bit Score: 61.40 E-value: 5.51e-10
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| RRM2_Nop13p_fungi | cd12397 | RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 13 (Nop13p) and similar ... |
2344-2416 | 5.90e-10 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 13 (Nop13p) and similar proteins; This subfamily corresponds to the RRM2 of Nop13p encoded by YNL175c from Saccharomyces cerevisiae. It shares high sequence similarity with nucleolar protein 12 (Nop12p). Both Nop12p and Nop13p are not essential for growth. However, unlike Nop12p that is localized to the nucleolus, Nop13p localizes primarily to the nucleolus but is also present in the nucleoplasm to a lesser extent. Nop13p contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409831 [Multi-domain] Cd Length: 76 Bit Score: 57.45 E-value: 5.90e-10
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| RRM_CSTF2_RNA15_like | cd12398 | RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), yeast ... |
2442-2512 | 7.31e-10 | |||||||||
RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), yeast ortholog mRNA 3'-end-processing protein RNA15 and similar proteins; This subfamily corresponds to the RRM domain of CSTF2, its tau variant and eukaryotic homologs. CSTF2, also termed cleavage stimulation factor 64 kDa subunit (CstF64), is the vertebrate conterpart of yeast mRNA 3'-end-processing protein RNA15. It is expressed in all somatic tissues and is one of three cleavage stimulatory factor (CstF) subunits required for polyadenylation. CstF64 contains an N-terminal RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), a CstF77-binding domain, a repeated MEARA helical region and a conserved C-terminal domain reported to bind the transcription factor PC-4. During polyadenylation, CstF interacts with the pre-mRNA through the RRM of CstF64 at U- or GU-rich sequences within 10 to 30 nucleotides downstream of the cleavage site. CSTF2T, also termed tauCstF64, is a paralog of the X-linked cleavage stimulation factor CstF64 protein that supports polyadenylation in most somatic cells. It is expressed during meiosis and subsequent haploid differentiation in a more limited set of tissues and cell types, largely in meiotic and postmeiotic male germ cells, and to a lesser extent in brain. The loss of CSTF2T will cause male infertility, as it is necessary for spermatogenesis and fertilization. Moreover, CSTF2T is required for expression of genes involved in morphological differentiation of spermatids, as well as for genes having products that function during interaction of motile spermatozoa with eggs. It promotes germ cell-specific patterns of polyadenylation by using its RRM to bind to different sequence elements downstream of polyadenylation sites than does CstF64. The family also includes yeast ortholog mRNA 3'-end-processing protein RNA15 and similar proteins. RNA15 is a core subunit of cleavage factor IA (CFIA), an essential transcriptional 3'-end processing factor from Saccharomyces cerevisiae. RNA recognition by CFIA is mediated by an N-terminal RRM, which is contained in the RNA15 subunit of the complex. The RRM of RNA15 has a strong preference for GU-rich RNAs, mediated by a binding pocket that is entirely conserved in both yeast and vertebrate RNA15 orthologs. Pssm-ID: 409832 [Multi-domain] Cd Length: 77 Bit Score: 57.53 E-value: 7.31e-10
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| RRM1_2_CID8_like | cd12225 | RNA recognition motif 1 and 2 (RRM1, RRM2) found in Arabidopsis thaliana CTC-interacting ... |
2343-2418 | 1.30e-09 | |||||||||
RNA recognition motif 1 and 2 (RRM1, RRM2) found in Arabidopsis thaliana CTC-interacting domain protein CID8, CID9, CID10, CID11, CID12, CID 13 and similar proteins; This subgroup corresponds to the RRM domains found in A. thaliana CID8, CID9, CID10, CID11, CID12, CID 13 and mainly their plant homologs. These highly related RNA-binding proteins contain an N-terminal PAM2 domain (PABP-interacting motif 2), two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a basic region that resembles a bipartite nuclear localization signal. The biological role of this family remains unclear. Pssm-ID: 409672 [Multi-domain] Cd Length: 76 Bit Score: 56.70 E-value: 1.30e-09
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| RecQ | COG0514 | Superfamily II DNA helicase RecQ [Replication, recombination and repair]; |
1499-1597 | 1.54e-09 | |||||||||
Superfamily II DNA helicase RecQ [Replication, recombination and repair]; Pssm-ID: 440280 [Multi-domain] Cd Length: 489 Bit Score: 63.24 E-value: 1.54e-09
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| RRM2_SART3 | cd12392 | RNA recognition motif 2 (RRM2) found in squamous cell carcinoma antigen recognized by T-cells ... |
2433-2517 | 2.46e-09 | |||||||||
RNA recognition motif 2 (RRM2) found in squamous cell carcinoma antigen recognized by T-cells 3 (SART3) and similar proteins; This subfamily corresponds to the RRM2 of SART3, also termed Tat-interacting protein of 110 kDa (Tip110), is an RNA-binding protein expressed in the nucleus of the majority of proliferating cells, including normal cells and malignant cells, but not in normal tissues except for the testes and fetal liver. It is involved in the regulation of mRNA splicing probably via its complex formation with RNA-binding protein with a serine-rich domain (RNPS1), a pre-mRNA-splicing factor. SART3 has also been identified as a nuclear Tat-interacting protein that regulates Tat transactivation activity through direct interaction and functions as an important cellular factor for HIV-1 gene expression and viral replication. In addition, SART3 is required for U6 snRNP targeting to Cajal bodies. It binds specifically and directly to the U6 snRNA, interacts transiently with the U6 and U4/U6 snRNPs, and promotes the reassembly of U4/U6 snRNPs after splicing in vitro. SART3 contains an N-terminal half-a-tetratricopeptide repeat (HAT)-rich domain, a nuclearlocalization signal (NLS) domain, and two C-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409826 [Multi-domain] Cd Length: 81 Bit Score: 56.18 E-value: 2.46e-09
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| PABP-1234 | TIGR01628 | polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins ... |
2325-2503 | 3.00e-09 | |||||||||
polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins recognize the poly-A of mRNA and consists of four tandem RNA recognition domains at the N-terminus (rrm: pfam00076) followed by a PABP-specific domain (pfam00658) at the C-terminus. The protein is involved in the transport of mRNA's from the nucleus to the cytoplasm. There are four paralogs in Homo sapiens which are expressed in testis, platelets, broadly expressed and of unknown tissue range. Pssm-ID: 130689 [Multi-domain] Cd Length: 562 Bit Score: 62.52 E-value: 3.00e-09
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| RRM_Nop6 | cd12400 | RNA recognition motif (RRM) found in Saccharomyces cerevisiae nucleolar protein 6 (Nop6) and ... |
2449-2503 | 3.14e-09 | |||||||||
RNA recognition motif (RRM) found in Saccharomyces cerevisiae nucleolar protein 6 (Nop6) and similar proteins; This subfamily corresponds to the RRM of Nop6, also known as Ydl213c, a component of 90S pre-ribosomal particles in yeast S. cerevisiae. It is enriched in the nucleolus and is required for 40S ribosomal subunit biogenesis. Nop6 is a non-essential putative RNA-binding protein with two N-terminal putative nuclear localisation sequences (NLS-1 and NLS-2) and an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). It binds to the pre-rRNA early during transcription and plays an essential role in pre-rRNA processing. Pssm-ID: 409834 [Multi-domain] Cd Length: 74 Bit Score: 55.30 E-value: 3.14e-09
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| PRK09751 | PRK09751 | putative ATP-dependent helicase Lhr; Provisional |
1509-1596 | 3.40e-09 | |||||||||
putative ATP-dependent helicase Lhr; Provisional Pssm-ID: 137505 [Multi-domain] Cd Length: 1490 Bit Score: 62.63 E-value: 3.40e-09
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| PABP-1234 | TIGR01628 | polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins ... |
2343-2502 | 4.22e-09 | |||||||||
polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins recognize the poly-A of mRNA and consists of four tandem RNA recognition domains at the N-terminus (rrm: pfam00076) followed by a PABP-specific domain (pfam00658) at the C-terminus. The protein is involved in the transport of mRNA's from the nucleus to the cytoplasm. There are four paralogs in Homo sapiens which are expressed in testis, platelets, broadly expressed and of unknown tissue range. Pssm-ID: 130689 [Multi-domain] Cd Length: 562 Bit Score: 61.75 E-value: 4.22e-09
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| RRM1_RBM39_like | cd12283 | RNA recognition motif 1 (RRM1) found in vertebrate RNA-binding protein 39 (RBM39) and similar ... |
2343-2409 | 4.49e-09 | |||||||||
RNA recognition motif 1 (RRM1) found in vertebrate RNA-binding protein 39 (RBM39) and similar proteins; This subfamily corresponds to the RRM1 of RNA-binding protein 39 (RBM39), RNA-binding protein 23 (RBM23) and similar proteins. RBM39 (also termed HCC1) is a nuclear autoantigen that contains an N-terminal arginine/serine rich (RS) motif and three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). An octapeptide sequence called the RS-ERK motif is repeated six times in the RS region of RBM39. Although the cellular function of RBM23 remains unclear, it shows high sequence homology to RBM39 and contains two RRMs. It may possibly function as a pre-mRNA splicing factor. Pssm-ID: 409725 [Multi-domain] Cd Length: 73 Bit Score: 54.93 E-value: 4.49e-09
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| RRM_II_PABPs | cd12306 | RNA recognition motif in type II polyadenylate-binding proteins; This subfamily corresponds to ... |
2437-2511 | 5.50e-09 | |||||||||
RNA recognition motif in type II polyadenylate-binding proteins; This subfamily corresponds to the RRM of type II polyadenylate-binding proteins (PABPs), including polyadenylate-binding protein 2 (PABP-2 or PABPN1), embryonic polyadenylate-binding protein 2 (ePABP-2 or PABPN1L) and similar proteins. PABPs are highly conserved proteins that bind to the poly(A) tail present at the 3' ends of most eukaryotic mRNAs. They have been implicated in the regulation of poly(A) tail length during the polyadenylation reaction, translation initiation, mRNA stabilization by influencing the rate of deadenylation and inhibition of mRNA decapping. ePABP-2 is predominantly located in the cytoplasm and PABP-2 is located in the nucleus. In contrast to the type I PABPs containing four copies of RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), the type II PABPs contains a single highly-conserved RRM. This subfamily also includes Saccharomyces cerevisiae RBP29 (SGN1, YIR001C) gene encoding cytoplasmic mRNA-binding protein Rbp29 that binds preferentially to poly(A). Although not essential for cell viability, Rbp29 plays a role in modulating the expression of cytoplasmic mRNA. Like other type II PABPs, Rbp29 contains one RRM only. Pssm-ID: 409747 [Multi-domain] Cd Length: 73 Bit Score: 54.62 E-value: 5.50e-09
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| RRM_ist3_like | cd12411 | RNA recognition motif (RRM) found in ist3 family; This subfamily corresponds to the RRM of the ... |
2341-2416 | 8.76e-09 | |||||||||
RNA recognition motif (RRM) found in ist3 family; This subfamily corresponds to the RRM of the ist3 family that includes fungal U2 small nuclear ribonucleoprotein (snRNP) component increased sodium tolerance protein 3 (ist3), X-linked 2 RNA-binding motif proteins (RBMX2) found in Metazoa and plants, and similar proteins. Gene IST3 encoding ist3, also termed U2 snRNP protein SNU17 (Snu17p), is a novel yeast Saccharomyces cerevisiae protein required for the first catalytic step of splicing and for progression of spliceosome assembly. It binds specifically to the U2 snRNP and is an intrinsic component of prespliceosomes and spliceosomes. Yeast ist3 contains an atypical RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). In the yeast pre-mRNA retention and splicing complex, the atypical RRM of ist3 functions as a scaffold that organizes the other two constituents, Bud13p (bud site selection 13) and Pml1p (pre-mRNA leakage 1). Fission yeast Schizosaccharomyces pombe gene cwf29 encoding ist3, also termed cell cycle control protein cwf29, is an RNA-binding protein complexed with cdc5 protein 29. It also contains one RRM. The biological function of RBMX2 remains unclear. It shows high sequence similarity to yeast ist3 protein and harbors one RRM as well. Pssm-ID: 409845 [Multi-domain] Cd Length: 89 Bit Score: 54.52 E-value: 8.76e-09
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| DEADc | cd00268 | DEAD-box helicase domain of DEAD box helicases; DEAD-box helicases comprise a diverse family ... |
953-1098 | 8.81e-09 | |||||||||
DEAD-box helicase domain of DEAD box helicases; DEAD-box helicases comprise a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350669 [Multi-domain] Cd Length: 196 Bit Score: 57.84 E-value: 8.81e-09
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| RRM2_MRD1 | cd12566 | RNA recognition motif 2 (RRM2) found in yeast multiple RNA-binding domain-containing protein 1 ... |
2344-2390 | 9.96e-09 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast multiple RNA-binding domain-containing protein 1 (MRD1) and similar proteins; This subgroup corresponds to the RRM2 of MRD1 which is encoded by a novel yeast gene MRD1 (multiple RNA-binding domain). It is well-conserved in yeast and its homologs exist in all eukaryotes. MRD1 is present in the nucleolus and the nucleoplasm. It interacts with the 35 S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). It is essential for the initial processing at the A0-A2 cleavage sites in the 35 S pre-rRNA. MRD1 contains 5 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which may play an important structural role in organizing specific rRNA processing events. Pssm-ID: 409982 [Multi-domain] Cd Length: 79 Bit Score: 54.35 E-value: 9.96e-09
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| PABP-1234 | TIGR01628 | polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins ... |
2342-2513 | 1.19e-08 | |||||||||
polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins recognize the poly-A of mRNA and consists of four tandem RNA recognition domains at the N-terminus (rrm: pfam00076) followed by a PABP-specific domain (pfam00658) at the C-terminus. The protein is involved in the transport of mRNA's from the nucleus to the cytoplasm. There are four paralogs in Homo sapiens which are expressed in testis, platelets, broadly expressed and of unknown tissue range. Pssm-ID: 130689 [Multi-domain] Cd Length: 562 Bit Score: 60.59 E-value: 1.19e-08
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| sex-lethal | TIGR01659 | sex-lethal family splicing factor; This model describes the sex-lethal family of splicing ... |
2333-2516 | 1.19e-08 | |||||||||
sex-lethal family splicing factor; This model describes the sex-lethal family of splicing factors found in Dipteran insects. The sex-lethal phenotype, however, may be limited to the Melanogasters and closely related species. In Drosophila the protein acts as an inhibitor of splicing. This subfamily is most closely related to the ELAV/HUD subfamily of splicing factors (TIGR01661). Pssm-ID: 273740 [Multi-domain] Cd Length: 346 Bit Score: 59.65 E-value: 1.19e-08
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| RRM1_PHIP1 | cd12271 | RNA recognition motif 1 (RRM1) found in Arabidopsis thaliana phragmoplastin interacting ... |
2452-2511 | 1.55e-08 | |||||||||
RNA recognition motif 1 (RRM1) found in Arabidopsis thaliana phragmoplastin interacting protein 1 (PHIP1) and similar proteins; This subfamily corresponds to the RRM1 of PHIP1. A. thaliana PHIP1 and its homologs represent a novel class of plant-specific RNA-binding proteins that may play a unique role in the polarized mRNA transport to the vicinity of the cell plate. The family members consist of multiple functional domains, including a lysine-rich domain (KRD domain) that contains three nuclear localization motifs (KKKR/NK), two RNA recognition motifs (RRMs), and three CCHC-type zinc fingers. PHIP1 is a peripheral membrane protein and is localized at the cell plate during cytokinesis in plants. In addition to phragmoplastin, PHIP1 interacts with two Arabidopsis small GTP-binding proteins, Rop1 and Ran2. However, PHIP1 interacted only with the GTP-bound form of Rop1 but not the GDP-bound form. It also binds specifically to Ran2 mRNA. Pssm-ID: 409714 [Multi-domain] Cd Length: 72 Bit Score: 53.48 E-value: 1.55e-08
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| PLN03134 | PLN03134 | glycine-rich RNA-binding protein 4; Provisional |
2341-2430 | 1.67e-08 | |||||||||
glycine-rich RNA-binding protein 4; Provisional Pssm-ID: 178680 [Multi-domain] Cd Length: 144 Bit Score: 55.81 E-value: 1.67e-08
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| RRM2_RBM34 | cd12395 | RNA recognition motif 2 (RRM2) found in RNA-binding protein 34 (RBM34) and similar proteins; ... |
2436-2511 | 1.92e-08 | |||||||||
RNA recognition motif 2 (RRM2) found in RNA-binding protein 34 (RBM34) and similar proteins; This subfamily corresponds to the RRM2 of RBM34, a putative RNA-binding protein containing two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Although the function of RBM34 remains unclear currently, its RRM domains may participate in mRNA processing. RBM34 may act as an mRNA processing-related protein. Pssm-ID: 409829 [Multi-domain] Cd Length: 73 Bit Score: 53.27 E-value: 1.92e-08
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| RRM3_RBM19_RRM2_MRD1 | cd12316 | RNA recognition motif 3 (RRM3) found in RNA-binding protein 19 (RBM19) and RNA recognition ... |
2344-2390 | 2.18e-08 | |||||||||
RNA recognition motif 3 (RRM3) found in RNA-binding protein 19 (RBM19) and RNA recognition motif 2 found in multiple RNA-binding domain-containing protein 1 (MRD1); This subfamily corresponds to the RRM3 of RBM19 and RRM2 of MRD1. RBM19, also termed RNA-binding domain-1 (RBD-1), is a nucleolar protein conserved in eukaryotes involved in ribosome biogenesis by processing rRNA and is essential for preimplantation development. It has a unique domain organization containing 6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). MRD1 is encoded by a novel yeast gene MRD1 (multiple RNA-binding domain). It is well conserved in yeast and its homologs exist in all eukaryotes. MRD1 is present in the nucleolus and the nucleoplasm. It interacts with the 35 S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). It is essential for the initial processing at the A0-A2 cleavage sites in the 35 S pre-rRNA. MRD1 contains 5 conserved RRMs, which may play an important structural role in organizing specific rRNA processing events. Pssm-ID: 409755 [Multi-domain] Cd Length: 74 Bit Score: 53.12 E-value: 2.18e-08
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| RRM_SNP1_like | cd21615 | RNA recognition motif (RRM) found in Saccharomyces cerevisiae U1 small nuclear ... |
2343-2390 | 2.26e-08 | |||||||||
RNA recognition motif (RRM) found in Saccharomyces cerevisiae U1 small nuclear ribonucleoprotein SNP1 and similar proteins; SNP1, also called U1 snRNP protein SNP1, or U1 small nuclear ribonucleoprotein 70 kDa homolog, or U1 70K, or U1 snRNP 70 kDa homolog, interacts with mRNA and is involved in nuclear mRNA splicing. It is a component of the spliceosome, where it is associated with snRNP U1 by binding stem loop I of U1 snRNA. Members in this family contain an N-terminal U1snRNP70 domain and an RNA recognition motif (RRM), also called RBD (RNA binding domain) or RNP (ribonucleoprotein domain). Pssm-ID: 410194 [Multi-domain] Cd Length: 118 Bit Score: 54.63 E-value: 2.26e-08
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| RRM_PPIE | cd12347 | RNA recognition motif (RRM) found in cyclophilin-33 (Cyp33) and similar proteins; This ... |
2344-2414 | 2.39e-08 | |||||||||
RNA recognition motif (RRM) found in cyclophilin-33 (Cyp33) and similar proteins; This subfamily corresponds to the RRM of Cyp33, also termed peptidyl-prolyl cis-trans isomerase E (PPIase E), or cyclophilin E, or rotamase E. Cyp33 is a nuclear RNA-binding cyclophilin with an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a C-terminal PPIase domain. Cyp33 possesses RNA-binding activity and preferentially binds to polyribonucleotide polyA and polyU, but hardly to polyG and polyC. It binds specifically to mRNA, which can stimulate its PPIase activity. Moreover, Cyp33 interacts with the third plant homeodomain (PHD3) zinc finger cassette of the mixed lineage leukemia (MLL) proto-oncoprotein and a poly-A RNA sequence through its RRM domain. It further mediates downregulation of the expression of MLL target genes HOXC8, HOXA9, CDKN1B, and C-MYC, in a proline isomerase-dependent manner. Cyp33 also possesses a PPIase activity that catalyzes cis-trans isomerization of the peptide bond preceding a proline, which has been implicated in the stimulation of folding and conformational changes in folded and unfolded proteins. The PPIase activity can be inhibited by the immunosuppressive drug cyclosporin A. Pssm-ID: 409783 [Multi-domain] Cd Length: 75 Bit Score: 53.00 E-value: 2.39e-08
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| RRM3_RBM28_like | cd12415 | RNA recognition motif 3 (RRM3) found in RNA-binding protein 28 (RBM28) and similar proteins; ... |
2343-2416 | 2.48e-08 | |||||||||
RNA recognition motif 3 (RRM3) found in RNA-binding protein 28 (RBM28) and similar proteins; This subfamily corresponds to the RRM3 of RBM28 and Nop4p. RBM28 is a specific nucleolar component of the spliceosomal small nuclear ribonucleoproteins (snRNPs), possibly coordinating their transition through the nucleolus. It specifically associates with U1, U2, U4, U5, and U6 small nuclear RNAs (snRNAs), and may play a role in the maturation of both small nuclear and ribosomal RNAs. RBM28 has four RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an extremely acidic region between RRM2 and RRM3. The family also includes nucleolar protein 4 (Nop4p or Nop77p) encoded by YPL043W from Saccharomyces cerevisiae. It is an essential nucleolar protein involved in processing and maturation of 27S pre-rRNA and biogenesis of 60S ribosomal subunits. Nop4p also contains four RRMs. Pssm-ID: 409849 [Multi-domain] Cd Length: 83 Bit Score: 53.37 E-value: 2.48e-08
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| SF2_C | cd18785 | C-terminal helicase domain of superfamily 2 DEAD/H-box helicases; Superfamily (SF)2 helicases ... |
1555-1606 | 2.74e-08 | |||||||||
C-terminal helicase domain of superfamily 2 DEAD/H-box helicases; Superfamily (SF)2 helicases include DEAD-box helicases, UvrB, RecG, Ski2, Sucrose Non-Fermenting (SNF) family helicases, and dicer proteins, among others. Similar to SF1 helicases, they do not form toroidal structures like SF3-6 helicases. SF2 helicases are a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. Their helicase core is surrounded by C- and N-terminal domains with specific functions such as nucleases, RNA or DNA binding domains, or domains engaged in protein-protein interactions. The core consists of two similar protein domains that resemble the fold of the recombination protein RecA. This model describes the C-terminal domain, also called HelicC. Pssm-ID: 350172 [Multi-domain] Cd Length: 77 Bit Score: 53.09 E-value: 2.74e-08
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| RRM1_Nop4p | cd12674 | RNA recognition motif 1 (RRM1) found in yeast nucleolar protein 4 (Nop4p) and similar proteins; ... |
2342-2416 | 3.30e-08 | |||||||||
RNA recognition motif 1 (RRM1) found in yeast nucleolar protein 4 (Nop4p) and similar proteins; This subgroup corresponds to the RRM1 of Nop4p (also known as Nop77p), encoded by YPL043W from Saccharomyces cerevisiae. It is an essential nucleolar protein involved in processing and maturation of 27S pre-rRNA and biogenesis of 60S ribosomal subunits. Nop4p has four RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 410075 [Multi-domain] Cd Length: 80 Bit Score: 52.85 E-value: 3.30e-08
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| ELAV_HUD_SF | TIGR01661 | ELAV/HuD family splicing factor; This model describes the ELAV/HuD subfamily of splicing ... |
2342-2506 | 4.54e-08 | |||||||||
ELAV/HuD family splicing factor; This model describes the ELAV/HuD subfamily of splicing factors found in metazoa. HuD stands for the human paraneoplastic encephalomyelitis antigen D of which there are 4 variants in human. ELAV stnds for the Drosophila Embryonic lethal abnormal visual protein. ELAV-like splicing factors are also known in human as HuB (ELAV-like protein 2), HuC (ELAV-like protein 3, Paraneoplastic cerebellar degeneration-associated antigen) and HuR (ELAV-like protein 1). These genes are most closely related to the sex-lethal subfamily of splicing factors found in Dipteran insects (TIGR01659). These proteins contain 3 RNA-recognition motifs (rrm: pfam00076). Pssm-ID: 273741 [Multi-domain] Cd Length: 352 Bit Score: 57.64 E-value: 4.54e-08
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| PRK13767 | PRK13767 | ATP-dependent helicase; Provisional |
1539-1598 | 5.97e-08 | |||||||||
ATP-dependent helicase; Provisional Pssm-ID: 237497 [Multi-domain] Cd Length: 876 Bit Score: 58.36 E-value: 5.97e-08
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| RRM_CIRBP_RBM3 | cd12449 | RNA recognition motif (RRM) found in cold inducible RNA binding protein (CIRBP), RNA binding ... |
2437-2512 | 8.09e-08 | |||||||||
RNA recognition motif (RRM) found in cold inducible RNA binding protein (CIRBP), RNA binding motif protein 3 (RBM3) and similar proteins; This subfamily corresponds to the RRM domain of two structurally related heterogenous nuclear ribonucleoproteins, CIRBP (also termed CIRP or A18 hnRNP) and RBM3 (also termed RNPL), both of which belong to a highly conserved cold shock proteins family. The cold shock proteins can be induced after exposure to a moderate cold-shock and other cellular stresses such as UV radiation and hypoxia. CIRBP and RBM3 may function in posttranscriptional regulation of gene expression by binding to different transcripts, thus allowing the cell to response rapidly to environmental signals. However, the kinetics and degree of cold induction are different between CIRBP and RBM3. Tissue distribution of their expression is different. CIRBP and RBM3 may be differentially regulated under physiological and stress conditions and may play distinct roles in cold responses of cells. CIRBP, also termed glycine-rich RNA-binding protein CIRP, is localized in the nucleus and mediates the cold-induced suppression of cell cycle progression. CIRBP also binds DNA and possibly serves as a chaperone that assists in the folding/unfolding, assembly/disassembly and transport of various proteins. RBM3 may enhance global protein synthesis and the formation of active polysomes while reducing the levels of ribonucleoprotein complexes containing microRNAs. RBM3 may also serve to prevent the loss of muscle mass by its ability to decrease cell death. Furthermore, RBM3 may be essential for cell proliferation and mitosis. Both, CIRBP and RBM3, contain an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), that is involved in RNA binding, and C-terminal glycine-rich domain (RGG motif) that probably enhances RNA-binding via protein-protein and/or protein-RNA interactions. Like CIRBP, RBM3 can also bind to both RNA and DNA via its RRM domain. Pssm-ID: 409883 [Multi-domain] Cd Length: 80 Bit Score: 51.71 E-value: 8.09e-08
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| RRM_eIF4B | cd12402 | RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4B (eIF-4B) and ... |
2449-2513 | 8.86e-08 | |||||||||
RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4B (eIF-4B) and similar proteins; This subfamily corresponds to the RRM of eIF-4B, a multi-domain RNA-binding protein that has been primarily implicated in promoting the binding of 40S ribosomal subunits to mRNA during translation initiation. It contains two RNA-binding domains; the N-terminal well-conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), binds the 18S rRNA of the 40S ribosomal subunit and the C-terminal basic domain (BD), including two arginine-rich motifs (ARMs), binds mRNA during initiation, and is primarily responsible for the stimulation of the helicase activity of eIF-4A. eIF-4B also contains a DRYG domain (a region rich in Asp, Arg, Tyr, and Gly amino acids) in the middle, which is responsible for both, self-association of eIF-4B and binding to the p170 subunit of eIF3. Additional research indicates that eIF-4B can interact with the poly(A) binding protein (PABP) in mammalian cells, which can stimulate both, the eIF-4B-mediated activation of the helicase activity of eIF-4A and binding of poly(A) by PABP. eIF-4B has also been shown to interact specifically with the internal ribosome entry sites (IRES) of several picornaviruses which facilitate cap-independent translation initiation. Pssm-ID: 409836 [Multi-domain] Cd Length: 81 Bit Score: 51.45 E-value: 8.86e-08
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| RRM_eIF4H | cd12401 | RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4H (eIF-4H) and ... |
2431-2513 | 9.92e-08 | |||||||||
RNA recognition motif (RRM) found in eukaryotic translation initiation factor 4H (eIF-4H) and similar proteins; This subfamily corresponds to the RRM of eIF-4H, also termed Williams-Beuren syndrome chromosomal region 1 protein, which, together with elf-4B/eIF-4G, serves as the accessory protein of RNA helicase eIF-4A. eIF-4H contains a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). It stimulates protein synthesis by enhancing the helicase activity of eIF-4A in the initiation step of mRNA translation. Pssm-ID: 409835 [Multi-domain] Cd Length: 84 Bit Score: 51.52 E-value: 9.92e-08
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| RRM_Aly_REF_like | cd12418 | RNA recognition motif (RRM) found in the Aly/REF family; This subfamily corresponds to the RRM ... |
2342-2390 | 1.16e-07 | |||||||||
RNA recognition motif (RRM) found in the Aly/REF family; This subfamily corresponds to the RRM of Aly/REF family which includes THO complex subunit 4 (THOC4, also termed Aly/REF), S6K1 Aly/REF-like target (SKAR, also termed PDIP3 or PDIP46) and similar proteins. THOC4 is an mRNA transporter protein with a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). It is involved in RNA transportation from the nucleus, and was initially identified as a transcription coactivator of LEF-1 and AML-1 for the TCRalpha enhancer function. In addition, THOC4 specifically binds to rhesus (RH) promoter in erythroid, and might be a novel transcription cofactor for erythroid-specific genes. SKAR shows high sequence homology with THOC4 and possesses one RRM as well. SKAR is widely expressed and localizes to the nucleus. It may be a critical player in the function of S6K1 in cell and organism growth control by binding the activated, hyperphosphorylated form of S6K1 but not S6K2. Furthermore, SKAR functions as a protein partner of the p50 subunit of DNA polymerase delta. In addition, SKAR may have particular importance in pancreatic beta cell size determination and insulin secretion. Pssm-ID: 409852 [Multi-domain] Cd Length: 75 Bit Score: 51.04 E-value: 1.16e-07
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| half-pint | TIGR01645 | poly-U binding splicing factor, half-pint family; The proteins represented by this model ... |
2328-2520 | 1.80e-07 | |||||||||
poly-U binding splicing factor, half-pint family; The proteins represented by this model contain three RNA recognition motifs (rrm: pfam00076) and have been characterized as poly-pyrimidine tract binding proteins associated with RNA splicing factors. In the case of PUF60 (GP|6176532), in complex with p54, and in the presence of U2AF, facilitates association of U2 snRNP with pre-mRNA. Pssm-ID: 130706 [Multi-domain] Cd Length: 612 Bit Score: 56.62 E-value: 1.80e-07
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| RRM1_RBM39_like | cd12283 | RNA recognition motif 1 (RRM1) found in vertebrate RNA-binding protein 39 (RBM39) and similar ... |
2455-2502 | 2.73e-07 | |||||||||
RNA recognition motif 1 (RRM1) found in vertebrate RNA-binding protein 39 (RBM39) and similar proteins; This subfamily corresponds to the RRM1 of RNA-binding protein 39 (RBM39), RNA-binding protein 23 (RBM23) and similar proteins. RBM39 (also termed HCC1) is a nuclear autoantigen that contains an N-terminal arginine/serine rich (RS) motif and three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). An octapeptide sequence called the RS-ERK motif is repeated six times in the RS region of RBM39. Although the cellular function of RBM23 remains unclear, it shows high sequence homology to RBM39 and contains two RRMs. It may possibly function as a pre-mRNA splicing factor. Pssm-ID: 409725 [Multi-domain] Cd Length: 73 Bit Score: 49.92 E-value: 2.73e-07
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| RRM_CIRBP_RBM3 | cd12449 | RNA recognition motif (RRM) found in cold inducible RNA binding protein (CIRBP), RNA binding ... |
2344-2416 | 2.80e-07 | |||||||||
RNA recognition motif (RRM) found in cold inducible RNA binding protein (CIRBP), RNA binding motif protein 3 (RBM3) and similar proteins; This subfamily corresponds to the RRM domain of two structurally related heterogenous nuclear ribonucleoproteins, CIRBP (also termed CIRP or A18 hnRNP) and RBM3 (also termed RNPL), both of which belong to a highly conserved cold shock proteins family. The cold shock proteins can be induced after exposure to a moderate cold-shock and other cellular stresses such as UV radiation and hypoxia. CIRBP and RBM3 may function in posttranscriptional regulation of gene expression by binding to different transcripts, thus allowing the cell to response rapidly to environmental signals. However, the kinetics and degree of cold induction are different between CIRBP and RBM3. Tissue distribution of their expression is different. CIRBP and RBM3 may be differentially regulated under physiological and stress conditions and may play distinct roles in cold responses of cells. CIRBP, also termed glycine-rich RNA-binding protein CIRP, is localized in the nucleus and mediates the cold-induced suppression of cell cycle progression. CIRBP also binds DNA and possibly serves as a chaperone that assists in the folding/unfolding, assembly/disassembly and transport of various proteins. RBM3 may enhance global protein synthesis and the formation of active polysomes while reducing the levels of ribonucleoprotein complexes containing microRNAs. RBM3 may also serve to prevent the loss of muscle mass by its ability to decrease cell death. Furthermore, RBM3 may be essential for cell proliferation and mitosis. Both, CIRBP and RBM3, contain an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), that is involved in RNA binding, and C-terminal glycine-rich domain (RGG motif) that probably enhances RNA-binding via protein-protein and/or protein-RNA interactions. Like CIRBP, RBM3 can also bind to both RNA and DNA via its RRM domain. Pssm-ID: 409883 [Multi-domain] Cd Length: 80 Bit Score: 50.17 E-value: 2.80e-07
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| RRM2_SART3 | cd12392 | RNA recognition motif 2 (RRM2) found in squamous cell carcinoma antigen recognized by T-cells ... |
2343-2390 | 3.26e-07 | |||||||||
RNA recognition motif 2 (RRM2) found in squamous cell carcinoma antigen recognized by T-cells 3 (SART3) and similar proteins; This subfamily corresponds to the RRM2 of SART3, also termed Tat-interacting protein of 110 kDa (Tip110), is an RNA-binding protein expressed in the nucleus of the majority of proliferating cells, including normal cells and malignant cells, but not in normal tissues except for the testes and fetal liver. It is involved in the regulation of mRNA splicing probably via its complex formation with RNA-binding protein with a serine-rich domain (RNPS1), a pre-mRNA-splicing factor. SART3 has also been identified as a nuclear Tat-interacting protein that regulates Tat transactivation activity through direct interaction and functions as an important cellular factor for HIV-1 gene expression and viral replication. In addition, SART3 is required for U6 snRNP targeting to Cajal bodies. It binds specifically and directly to the U6 snRNA, interacts transiently with the U6 and U4/U6 snRNPs, and promotes the reassembly of U4/U6 snRNPs after splicing in vitro. SART3 contains an N-terminal half-a-tetratricopeptide repeat (HAT)-rich domain, a nuclearlocalization signal (NLS) domain, and two C-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409826 [Multi-domain] Cd Length: 81 Bit Score: 50.02 E-value: 3.26e-07
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| RRM2_Hrp1p | cd12330 | RNA recognition motif 2 (RRM2) found in yeast nuclear polyadenylated RNA-binding protein 4 ... |
2344-2425 | 3.30e-07 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast nuclear polyadenylated RNA-binding protein 4 (Hrp1p or Nab4p) and similar proteins; This subfamily corresponds to the RRM1 of Hrp1p and similar proteins. Hrp1p or Nab4p, also termed cleavage factor IB (CFIB), is a sequence-specific trans-acting factor that is essential for mRNA 3'-end formation in yeast Saccharomyces cerevisiae. It can be UV cross-linked to RNA and specifically recognizes the (UA)6 RNA element required for both, the cleavage and poly(A) addition steps. Moreover, Hrp1p can shuttle between the nucleus and the cytoplasm, and play an additional role in the export of mRNAs to the cytoplasm. Hrp1p also interacts with Rna15p and Rna14p, two components of CF1A. In addition, Hrp1p functions as a factor directly involved in modulating the activity of the nonsense-mediated mRNA decay (NMD) pathway; it binds specifically to a downstream sequence element (DSE)-containing RNA and interacts with Upf1p, a component of the surveillance complex, further triggering the NMD pathway. Hrp1p contains two central RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an arginine-glycine-rich region harboring repeats of the sequence RGGF/Y. Pssm-ID: 409767 [Multi-domain] Cd Length: 78 Bit Score: 50.01 E-value: 3.30e-07
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| RRM_ZCRB1 | cd12393 | RNA recognition motif (RRM) found in Zinc finger CCHC-type and RNA-binding motif-containing ... |
2342-2414 | 3.48e-07 | |||||||||
RNA recognition motif (RRM) found in Zinc finger CCHC-type and RNA-binding motif-containing protein 1 (ZCRB1) and similar proteins; This subfamily corresponds to the RRM of ZCRB1, also termed MADP-1, or U11/U12 small nuclear ribonucleoprotein 31 kDa protein (U11/U12 snRNP 31 or U11/U12-31K), a novel multi-functional nuclear factor, which may be involved in morphine dependence, cold/heat stress, and hepatocarcinoma. It is located in the nucleoplasm, but outside the nucleolus. ZCRB1 is one of the components of U11/U12 snRNPs that bind to U12-type pre-mRNAs and form a di-snRNP complex, simultaneously recognizing the 5' splice site and branchpoint sequence. ZCRB1 is characterized by an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a CCHC-type Zinc finger motif. In addition, it contains core nucleocapsid motifs, and Lys- and Glu-rich domains. Pssm-ID: 409827 [Multi-domain] Cd Length: 76 Bit Score: 49.59 E-value: 3.48e-07
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| RRM1_gar2 | cd12447 | RNA recognition motif 1 (RRM1) found in yeast protein gar2 and similar proteins; This ... |
2436-2513 | 3.80e-07 | |||||||||
RNA recognition motif 1 (RRM1) found in yeast protein gar2 and similar proteins; This subfamily corresponds to the RRM1 of yeast protein gar2, a novel nucleolar protein required for 18S rRNA and 40S ribosomal subunit accumulation. It shares similar domain architecture with nucleolin from vertebrates and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of gar2 is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of gar2 contains two closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The C-terminal RGG (or GAR) domain of gar2 is rich in glycine, arginine and phenylalanine residues. Pssm-ID: 409881 [Multi-domain] Cd Length: 76 Bit Score: 49.74 E-value: 3.80e-07
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| RRM2_NCL | cd12404 | RNA recognition motif 2 (RRM2) found in vertebrate nucleolin; This subfamily corresponds to ... |
2436-2512 | 3.84e-07 | |||||||||
RNA recognition motif 2 (RRM2) found in vertebrate nucleolin; This subfamily corresponds to the RRM2 of ubiquitously expressed protein nucleolin, also termed protein C23, a multifunctional major nucleolar phosphoprotein that has been implicated in various metabolic processes, such as ribosome biogenesis, cytokinesis, nucleogenesis, cell proliferation and growth, cytoplasmic-nucleolar transport of ribosomal components, transcriptional repression, replication, signal transduction, inducing chromatin decondensation, etc. Nucleolin exhibits intrinsic self-cleaving, DNA helicase, RNA helicase and DNA-dependent ATPase activities. It can be phosphorylated by many protein kinases, such as the major mitotic kinase Cdc2, casein kinase 2 (CK2), and protein kinase C-zeta. Nucleolin shares similar domain architecture with gar2 from Schizosaccharomyces pombe and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of nucleolin is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of nucleolin contains four closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which suggests that nucleolin is potentially able to interact with multiple RNA targets. The C-terminal RGG (or GAR) domain of nucleolin is rich in glycine, arginine and phenylalanine residues, and contains high levels of NG,NG-dimethylarginines.RRM2, together with RRM1, binds specifically to RNA stem-loops containing the sequence (U/G)CCCG(A/G) in the loop. Pssm-ID: 409838 [Multi-domain] Cd Length: 77 Bit Score: 49.74 E-value: 3.84e-07
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| RRM_CSTF2_CSTF2T | cd12671 | RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), cleavage ... |
2449-2512 | 4.20e-07 | |||||||||
RNA recognition motif (RRM) found in cleavage stimulation factor subunit 2 (CSTF2), cleavage stimulation factor subunit 2 tau variant (CSTF2T) and similar proteins; This subgroup corresponds to the RRM domain of CSTF2, its tau variant and eukaryotic homologs. CSTF2, also termed cleavage stimulation factor 64 kDa subunit (CstF64), is the vertebrate conterpart of yeast mRNA 3'-end-processing protein RNA15. It is expressed in all somatic tissues and is one of three cleavage stimulatory factor (CstF) subunits required for polyadenylation. CstF64 contains an N-terminal RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), a CstF77-binding domain, a repeated MEARA helical region and a conserved C-terminal domain reported to bind the transcription factor PC-4. During polyadenylation, CstF interacts with the pre-mRNA through the RRM of CstF64 at U- or GU-rich sequences within 10 to 30 nucleotides downstream of the cleavage site. CSTF2T, also termed tauCstF64, is a paralog of the X-linked cleavage stimulation factor CstF64 protein that supports polyadenylation in most somatic cells. It is expressed during meiosis and subsequent haploid differentiation in a more limited set of tissues and cell types, largely in meiotic and postmeiotic male germ cells, and to a lesser extent in brain. The loss of CSTF2T will cause male infertility, as it is necessary for spermatogenesis and fertilization. Moreover, CSTF2T is required for expression of genes involved in morphological differentiation of spermatids, as well as for genes having products that function during interaction of motile spermatozoa with eggs. It promotes germ cell-specific patterns of polyadenylation by using its RRM to bind to different sequence elements downstream of polyadenylation sites than does CstF64. Pssm-ID: 410072 [Multi-domain] Cd Length: 85 Bit Score: 49.82 E-value: 4.20e-07
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| RRM_II_PABPN1 | cd12550 | RNA recognition motif in type II polyadenylate-binding protein 2 (PABP-2) and similar proteins; ... |
2343-2415 | 5.18e-07 | |||||||||
RNA recognition motif in type II polyadenylate-binding protein 2 (PABP-2) and similar proteins; This subgroup corresponds to the RRM of PABP-2, also termed poly(A)-binding protein 2, or nuclear poly(A)-binding protein 1 (PABPN1), or poly(A)-binding protein II (PABII), which is a ubiquitously expressed type II nuclear poly(A)-binding protein that directs the elongation of mRNA poly(A) tails during pre-mRNA processing. Although PABP-2 binds poly(A) with high affinity and specificity as type I poly(A)-binding proteins, it contains only one highly conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), which is responsible for the poly(A) binding. In addition, PABP-2 possesses an acidic N-terminal domain that is essential for the stimulation of PAP, and an arginine-rich C-terminal domain. Pssm-ID: 409966 [Multi-domain] Cd Length: 76 Bit Score: 49.42 E-value: 5.18e-07
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| DEXHc_RecQ4-like | cd18018 | DEAH-box helicase domain of RecQ4 and similar proteins; ATP-dependent DNA helicase Q4 (RecQ4) ... |
966-1141 | 6.03e-07 | |||||||||
DEAH-box helicase domain of RecQ4 and similar proteins; ATP-dependent DNA helicase Q4 (RecQ4) is part of the RecQ family of highly conserved DNA repair helicases that is part of the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Mutations cause Rothmund-Thomson/RAPADILINO/Baller-Gerold syndrome. Pssm-ID: 350776 [Multi-domain] Cd Length: 201 Bit Score: 52.26 E-value: 6.03e-07
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| RRM2_NCL | cd12404 | RNA recognition motif 2 (RRM2) found in vertebrate nucleolin; This subfamily corresponds to ... |
2341-2416 | 7.26e-07 | |||||||||
RNA recognition motif 2 (RRM2) found in vertebrate nucleolin; This subfamily corresponds to the RRM2 of ubiquitously expressed protein nucleolin, also termed protein C23, a multifunctional major nucleolar phosphoprotein that has been implicated in various metabolic processes, such as ribosome biogenesis, cytokinesis, nucleogenesis, cell proliferation and growth, cytoplasmic-nucleolar transport of ribosomal components, transcriptional repression, replication, signal transduction, inducing chromatin decondensation, etc. Nucleolin exhibits intrinsic self-cleaving, DNA helicase, RNA helicase and DNA-dependent ATPase activities. It can be phosphorylated by many protein kinases, such as the major mitotic kinase Cdc2, casein kinase 2 (CK2), and protein kinase C-zeta. Nucleolin shares similar domain architecture with gar2 from Schizosaccharomyces pombe and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of nucleolin is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of nucleolin contains four closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which suggests that nucleolin is potentially able to interact with multiple RNA targets. The C-terminal RGG (or GAR) domain of nucleolin is rich in glycine, arginine and phenylalanine residues, and contains high levels of NG,NG-dimethylarginines.RRM2, together with RRM1, binds specifically to RNA stem-loops containing the sequence (U/G)CCCG(A/G) in the loop. Pssm-ID: 409838 [Multi-domain] Cd Length: 77 Bit Score: 48.97 E-value: 7.26e-07
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| PRK13767 | PRK13767 | ATP-dependent helicase; Provisional |
979-1150 | 7.56e-07 | |||||||||
ATP-dependent helicase; Provisional Pssm-ID: 237497 [Multi-domain] Cd Length: 876 Bit Score: 54.89 E-value: 7.56e-07
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| RRM2_RBM23_RBM39 | cd12284 | RNA recognition motif 2 (RRM2) found in vertebrate RNA-binding protein RBM23, RBM39 and ... |
2345-2415 | 8.18e-07 | |||||||||
RNA recognition motif 2 (RRM2) found in vertebrate RNA-binding protein RBM23, RBM39 and similar proteins; This subfamily corresponds to the RRM2 of RBM39 (also termed HCC1), a nuclear autoantigen that contains an N-terminal arginine/serine rich (RS) motif and three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). An octapeptide sequence called the RS-ERK motif is repeated six times in the RS region of RBM39. Although the cellular function of RBM23 remains unclear, it shows high sequence homology to RBM39 and contains two RRMs. It may possibly function as a pre-mRNA splicing factor. Pssm-ID: 409726 [Multi-domain] Cd Length: 78 Bit Score: 48.78 E-value: 8.18e-07
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| RRM3_I_PABPs | cd12380 | RNA recognition motif 3 (RRM3) found found in type I polyadenylate-binding proteins; This ... |
2435-2506 | 8.86e-07 | |||||||||
RNA recognition motif 3 (RRM3) found found in type I polyadenylate-binding proteins; This subfamily corresponds to the RRM3 of type I poly(A)-binding proteins (PABPs), highly conserved proteins that bind to the poly(A) tail present at the 3' ends of most eukaryotic mRNAs. They have been implicated in the regulation of poly(A) tail length during the polyadenylation reaction, translation initiation, mRNA stabilization by influencing the rate of deadenylation and inhibition of mRNA decapping. The family represents type I polyadenylate-binding proteins (PABPs), including polyadenylate-binding protein 1 (PABP-1 or PABPC1), polyadenylate-binding protein 3 (PABP-3 or PABPC3), polyadenylate-binding protein 4 (PABP-4 or APP-1 or iPABP), polyadenylate-binding protein 5 (PABP-5 or PABPC5), polyadenylate-binding protein 1-like (PABP-1-like or PABPC1L), polyadenylate-binding protein 1-like 2 (PABPC1L2 or RBM32), polyadenylate-binding protein 4-like (PABP-4-like or PABPC4L), yeast polyadenylate-binding protein, cytoplasmic and nuclear (PABP or ACBP-67), and similar proteins. PABP-1 is an ubiquitously expressed multifunctional protein that may play a role in 3' end formation of mRNA, translation initiation, mRNA stabilization, protection of poly(A) from nuclease activity, mRNA deadenylation, inhibition of mRNA decapping, and mRNP maturation. Although PABP-1 is thought to be a cytoplasmic protein, it is also found in the nucleus. PABP-1 may be involved in nucleocytoplasmic trafficking and utilization of mRNP particles. PABP-1 contains four copies of RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), a less well conserved linker region, and a proline-rich C-terminal conserved domain (CTD). PABP-3 is a testis-specific poly(A)-binding protein specifically expressed in round spermatids. It is mainly found in mammalian and may play an important role in the testis-specific regulation of mRNA homeostasis. PABP-3 shows significant sequence similarity to PABP-1. However, it binds to poly(A) with a lower affinity than PABP-1. PABP-1 possesses an A-rich sequence in its 5'-UTR and allows binding of PABP and blockage of translation of its own mRNA. In contrast, PABP-3 lacks the A-rich sequence in its 5'-UTR. PABP-4 is an inducible poly(A)-binding protein (iPABP) that is primarily localized to the cytoplasm. It shows significant sequence similarity to PABP-1 as well. The RNA binding properties of PABP-1 and PABP-4 appear to be identical. PABP-5 is encoded by PABPC5 gene within the X-specific subinterval, and expressed in fetal brain and in a range of adult tissues in mammalian, such as ovary and testis. It may play an important role in germ cell development. Moreover, unlike other PABPs, PABP-5 contains only four RRMs, but lacks both the linker region and the CTD. PABP-1-like and PABP-1-like 2 are the orthologs of PABP-1. PABP-4-like is the ortholog of PABP-5. Their cellular functions remain unclear. The family also includes the yeast PABP, a conserved poly(A) binding protein containing poly(A) tails that can be attached to the 3'-ends of mRNAs. The yeast PABP and its homologs may play important roles in the initiation of translation and in mRNA decay. Like vertebrate PABP-1, the yeast PABP contains four RRMs, a linker region, and a proline-rich CTD as well. The first two RRMs are mainly responsible for specific binding to poly(A). The proline-rich region may be involved in protein-protein interactions. Pssm-ID: 409814 [Multi-domain] Cd Length: 80 Bit Score: 48.71 E-value: 8.86e-07
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| RRM_SLIRP | cd12242 | RNA recognition motif (RRM) found in SRA stem-loop-interacting RNA-binding protein (SLIRP) and ... |
2343-2390 | 8.88e-07 | |||||||||
RNA recognition motif (RRM) found in SRA stem-loop-interacting RNA-binding protein (SLIRP) and similar proteins; This subfamily corresponds to the RRM of SLIRP, a widely expressed small steroid receptor RNA activator (SRA) binding protein, which binds to STR7, a functional substructure of SRA. SLIRP is localized predominantly to the mitochondria and plays a key role in modulating several nuclear receptor (NR) pathways. It functions as a co-repressor to repress SRA-mediated nuclear receptor coactivation. It modulates SHARP- and SKIP-mediated co-regulation of NR activity. SLIRP contains an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), which is required for SLIRP's corepression activities. Pssm-ID: 409688 [Multi-domain] Cd Length: 73 Bit Score: 48.50 E-value: 8.88e-07
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| RRM2_NsCP33_like | cd21608 | RNA recognition motif 2 (RRM2) found in Nicotiana sylvestris chloroplastic 33 kDa ... |
2436-2513 | 9.25e-07 | |||||||||
RNA recognition motif 2 (RRM2) found in Nicotiana sylvestris chloroplastic 33 kDa ribonucleoprotein (NsCP33) and similar proteins; The family includes NsCP33, Arabidopsis thaliana chloroplastic 31 kDa ribonucleoprotein (CP31A) and mitochondrial glycine-rich RNA-binding protein 2 (AtGR-RBP2). NsCP33 may be involved in splicing and/or processing of chloroplast RNA's. AtCP31A, also called RNA-binding protein 1/2/3 (AtRBP33), or RNA-binding protein CP31A, or RNA-binding protein RNP-T, or RNA-binding protein cp31, is required for specific RNA editing events in chloroplasts and stabilizes specific chloroplast mRNAs, as well as for normal chloroplast development under cold stress conditions by stabilizing transcripts of numerous mRNAs under these conditions. CP31A may modulate telomere replication through RNA binding domains. AtGR-RBP2, also called AtRBG2, or glycine-rich protein 2 (AtGRP2), or mitochondrial RNA-binding protein 1a (At-mRBP1a), plays a role in RNA transcription or processing during stress. It binds RNAs and DNAs sequence with a preference to single-stranded nucleic acids. AtGR-RBP2 displays strong affinity to poly(U) sequence. It exerts cold and freezing tolerance, probably by exhibiting an RNA chaperone activity during the cold and freezing adaptation process. Some members in this family contain two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the second RRM motif. Pssm-ID: 410187 [Multi-domain] Cd Length: 76 Bit Score: 48.70 E-value: 9.25e-07
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| RRM1_SART3 | cd12391 | RNA recognition motif 1 (RRM1) found in squamous cell carcinoma antigen recognized by T-cells ... |
2436-2506 | 9.33e-07 | |||||||||
RNA recognition motif 1 (RRM1) found in squamous cell carcinoma antigen recognized by T-cells 3 (SART3) and similar proteins; This subfamily corresponds to the RRM1 of SART3, also termed Tat-interacting protein of 110 kDa (Tip110), an RNA-binding protein expressed in the nucleus of the majority of proliferating cells, including normal cells and malignant cells, but not in normal tissues except for the testes and fetal liver. It is involved in the regulation of mRNA splicing probably via its complex formation with RNA-binding protein with a serine-rich domain (RNPS1), a pre-mRNA-splicing factor. SART3 has also been identified as a nuclear Tat-interacting protein that regulates Tat transactivation activity through direct interaction and functions as an important cellular factor for HIV-1 gene expression and viral replication. In addition, SART3 is required for U6 snRNP targeting to Cajal bodies. It binds specifically and directly to the U6 snRNA, interacts transiently with the U6 and U4/U6 snRNPs, and promotes the reassembly of U4/U6 snRNPs after splicing in vitro. SART3 contains an N-terminal half-a-tetratricopeptide repeat (HAT)-rich domain, a nuclearlocalization signal (NLS) domain, and two C-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409825 [Multi-domain] Cd Length: 72 Bit Score: 48.38 E-value: 9.33e-07
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| RRM3_Prp24 | cd12298 | RNA recognition motif 3 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar ... |
2344-2413 | 9.43e-07 | |||||||||
RNA recognition motif 3 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar proteins; This subfamily corresponds to the RRM3 of Prp24, also termed U4/U6 snRNA-associated-splicing factor PRP24 (U4/U6 snRNP), an RNA-binding protein with four well conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It facilitates U6 RNA base-pairing with U4 RNA during spliceosome assembly. Prp24 specifically binds free U6 RNA primarily with RRMs 1 and 2 and facilitates pairing of U6 RNA bases with U4 RNA bases. Additionally, it may also be involved in dissociation of the U4/U6 complex during spliceosome activation. Pssm-ID: 409739 [Multi-domain] Cd Length: 78 Bit Score: 48.41 E-value: 9.43e-07
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| RRM_HP0827_like | cd12399 | RNA recognition motif (RRM) found in Helicobacter pylori HP0827 protein and similar proteins; ... |
2442-2512 | 1.00e-06 | |||||||||
RNA recognition motif (RRM) found in Helicobacter pylori HP0827 protein and similar proteins; This subfamily corresponds to the RRM of H. pylori HP0827, a putative ssDNA-binding protein 12rnp2 precursor, containing one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). The ssDNA binding may be important in activation of HP0827. Pssm-ID: 409833 [Multi-domain] Cd Length: 75 Bit Score: 48.28 E-value: 1.00e-06
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| RRM1_LARP7 | cd12290 | RNA recognition motif 1 (RRM1) found in La-related protein 7 (LARP7) and similar proteins; ... |
2343-2390 | 1.03e-06 | |||||||||
RNA recognition motif 1 (RRM1) found in La-related protein 7 (LARP7) and similar proteins; This subfamily corresponds to the RRM1 of LARP7, also termed La ribonucleoprotein domain family member 7, or P-TEFb-interaction protein for 7SK stability (PIP7S), an oligopyrimidine-binding protein that binds to the highly conserved 3'-terminal U-rich stretch (3' -UUU-OH) of 7SK RNA. LARP7 is a stable component of the 7SK small nuclear ribonucleoprotein (7SK snRNP). It intimately associates with all the nuclear 7SK and is required for 7SK stability. LARP7 also acts as a negative transcriptional regulator of cellular and viral polymerase II genes, acting by means of the 7SK snRNP system. It plays an essential role in the inhibition of positive transcription elongation factor b (P-TEFb)-dependent transcription, which has been linked to the global control of cell growth and tumorigenesis. LARP7 contains a La motif (LAM) and an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), at the N-terminal region, which mediates binding to the U-rich 3' terminus of 7SK RNA. LARP7 also carries another putative RRM domain at its C-terminus. Pssm-ID: 409732 [Multi-domain] Cd Length: 79 Bit Score: 48.48 E-value: 1.03e-06
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| RRM1_PSRP2_like | cd21609 | RNA recognition motif 1 (RRM1) found in chloroplastic plastid-specific 30S ribosomal protein 2 ... |
2453-2518 | 1.10e-06 | |||||||||
RNA recognition motif 1 (RRM1) found in chloroplastic plastid-specific 30S ribosomal protein 2 (PSRP-2) and similar proteins; PSRP-2, also called chloroplastic 30S ribosomal protein 2, or chloroplastic small ribosomal subunit protein cS22, is a component of the chloroplast ribosome (chloro-ribosome), a dedicated translation machinery responsible for the synthesis of chloroplast genome-encoded proteins, including proteins of the transcription and translation machinery and components of the photosynthetic apparatus. It binds single strand DNA (ssDNA) and RNA in vitro. It exhibits RNA chaperone activity and regulates negatively resistance responses to abiotic stresses during seed germination (e.g. salt, dehydration, and low temperature) and seedling growth (e.g. salt). The family also includes Nicotiana sylvestris chloroplastic 33 kDa ribonucleoprotein (NsCP33) and Arabidopsis thaliana chloroplastic 31 kDa ribonucleoprotein (AtCP31A). NsCP33 may be involved in splicing and/or processing of chloroplast RNA's. AtCP31A, also called RNA-binding protein 1/2/3 (AtRBP33), or RNA-binding protein CP31A, or RNA-binding protein RNP-T, or RNA-binding protein cp31, is required for specific RNA editing events in chloroplasts and stabilizes specific chloroplast mRNAs, as well as for normal chloroplast development under cold stress conditions by stabilizing transcripts of numerous mRNAs under these conditions. CP31A may modulate telomere replication through RNA binding domains. Members in this family contain two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the first RRM motif. Pssm-ID: 410188 [Multi-domain] Cd Length: 80 Bit Score: 48.57 E-value: 1.10e-06
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| RRM_RBMX_like | cd12382 | RNA recognition motif (RRM) found in heterogeneous nuclear ribonucleoprotein G (hnRNP G), Y ... |
2437-2512 | 1.22e-06 | |||||||||
RNA recognition motif (RRM) found in heterogeneous nuclear ribonucleoprotein G (hnRNP G), Y chromosome RNA recognition motif 1 (hRBMY), testis-specific heterogeneous nuclear ribonucleoprotein G-T (hnRNP G-T) and similar proteins; This subfamily corresponds to the RRM domain of hnRNP G, also termed glycoprotein p43 or RBMX, an RNA-binding motif protein located on the X chromosome. It is expressed ubiquitously and has been implicated in the splicing control of several pre-mRNAs. Moreover, hnRNP G may function as a regulator of transcription for SREBP-1c and GnRH1. Research has shown that hnRNP G may also act as a tumor-suppressor since it upregulates the Txnip gene and promotes the fidelity of DNA end-joining activity. In addition, hnRNP G appears to play a critical role in proper neural development of zebrafish and frog embryos. The family also includes several paralogs of hnRNP G, such as hRBMY and hnRNP G-T (also termed RNA-binding motif protein, X-linked-like-2). Both, hRBMY and hnRNP G-T, are exclusively expressed in testis and critical for male fertility. Like hnRNP G, hRBMY and hnRNP G-T interact with factors implicated in the regulation of pre-mRNA splicing, such as hTra2-beta1 and T-STAR. Although members in this family share a high conserved N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), they appear to recognize different RNA targets. For instance, hRBMY interacts specifically with a stem-loop structure in which the loop is formed by the sequence CA/UCAA. In contrast, hnRNP G associates with single stranded RNA sequences containing a CCA/C motif. In addition to the RRM, hnRNP G contains a nascent transcripts targeting domain (NTD) in the middle region and a novel auxiliary RNA-binding domain (RBD) in its C-terminal region. The C-terminal RBD exhibits distinct RNA binding specificity, and would play a critical role in the regulation of alternative splicing by hnRNP G. Pssm-ID: 409816 [Multi-domain] Cd Length: 80 Bit Score: 48.17 E-value: 1.22e-06
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| PRK12678 | PRK12678 | transcription termination factor Rho; Provisional |
619-794 | 1.30e-06 | |||||||||
transcription termination factor Rho; Provisional Pssm-ID: 237171 [Multi-domain] Cd Length: 672 Bit Score: 54.14 E-value: 1.30e-06
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| DEADc_DDX28 | cd17948 | DEAD-box helicase domain of DEAD box protein 28; DDX28 (also called mitochondrial DEAD-box ... |
956-1070 | 1.32e-06 | |||||||||
DEAD-box helicase domain of DEAD box protein 28; DDX28 (also called mitochondrial DEAD-box polypeptide 28) plays an essential role in facilitating the proper assembly of the mitochondrial large ribosomal subunit and its helicase activity is essential for this function. DDX28 is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350706 [Multi-domain] Cd Length: 231 Bit Score: 51.98 E-value: 1.32e-06
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| RRM2_hnRNPA_like | cd12328 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A subfamily; ... |
2344-2390 | 1.41e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A subfamily; This subfamily corresponds to the RRM2 of hnRNP A0, hnRNP A1, hnRNP A2/B1, hnRNP A3 and similar proteins. hnRNP A0 is a low abundance hnRNP protein that has been implicated in mRNA stability in mammalian cells. It has been identified as the substrate for MAPKAP-K2 and may be involved in the lipopolysaccharide (LPS)-induced post-transcriptional regulation of tumor necrosis factor-alpha (TNF-alpha), cyclooxygenase 2 (COX-2) and macrophage inflammatory protein 2 (MIP-2). hnRNP A1 is an abundant eukaryotic nuclear RNA-binding protein that may modulate splice site selection in pre-mRNA splicing. hnRNP A2/B1 is an RNA trafficking response element-binding protein that interacts with the hnRNP A2 response element (A2RE). Many mRNAs, such as myelin basic protein (MBP), myelin-associated oligodendrocytic basic protein (MOBP), carboxyanhydrase II (CAII), microtubule-associated protein tau, and amyloid precursor protein (APP) are trafficked by hnRNP A2/B1. hnRNP A3 is also a RNA trafficking response element-binding protein that participates in the trafficking of A2RE-containing RNA. The hnRNP A subfamily is characterized by two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), followed by a long glycine-rich region at the C-terminus. Pssm-ID: 409766 [Multi-domain] Cd Length: 73 Bit Score: 48.03 E-value: 1.41e-06
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| RRM3_RBM19 | cd12567 | RNA recognition motif 3 (RRM3) found in RNA-binding protein 19 (RBM19) and similar proteins; ... |
2340-2390 | 1.43e-06 | |||||||||
RNA recognition motif 3 (RRM3) found in RNA-binding protein 19 (RBM19) and similar proteins; This subgroup corresponds to the RRM3 of RBM19, also termed RNA-binding domain-1 (RBD-1), which is a nucleolar protein conserved in eukaryotes. It is involved in ribosome biogenesis by processing rRNA. In addition, it is essential for preimplantation development. RBM19 has a unique domain organization containing 6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409983 [Multi-domain] Cd Length: 79 Bit Score: 48.16 E-value: 1.43e-06
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| RRM_eIF3G_like | cd12408 | RNA recognition motif (RRM) found in eukaryotic translation initiation factor 3 subunit G ... |
2343-2390 | 1.67e-06 | |||||||||
RNA recognition motif (RRM) found in eukaryotic translation initiation factor 3 subunit G (eIF-3G) and similar proteins; This subfamily corresponds to the RRM of eIF-3G and similar proteins. eIF-3G, also termed eIF-3 subunit 4, or eIF-3-delta, or eIF3-p42, or eIF3-p44, is the RNA-binding subunit of eIF3, a large multisubunit complex that plays a central role in the initiation of translation by binding to the 40 S ribosomal subunit and promoting the binding of methionyl-tRNAi and mRNA. eIF-3G binds 18 S rRNA and beta-globin mRNA, and therefore appears to be a nonspecific RNA-binding protein. eIF-3G is one of the cytosolic targets and interacts with mature apoptosis-inducing factor (AIF). eIF-3G contains one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). This family also includes yeast eIF3-p33, a homolog of vertebrate eIF-3G, plays an important role in the initiation phase of protein synthesis in yeast. It binds both, mRNA and rRNA, fragments due to an RRM near its C-terminus. Pssm-ID: 409842 [Multi-domain] Cd Length: 76 Bit Score: 47.89 E-value: 1.67e-06
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| RRM1_2_CID8_like | cd12225 | RNA recognition motif 1 and 2 (RRM1, RRM2) found in Arabidopsis thaliana CTC-interacting ... |
2436-2511 | 1.75e-06 | |||||||||
RNA recognition motif 1 and 2 (RRM1, RRM2) found in Arabidopsis thaliana CTC-interacting domain protein CID8, CID9, CID10, CID11, CID12, CID 13 and similar proteins; This subgroup corresponds to the RRM domains found in A. thaliana CID8, CID9, CID10, CID11, CID12, CID 13 and mainly their plant homologs. These highly related RNA-binding proteins contain an N-terminal PAM2 domain (PABP-interacting motif 2), two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a basic region that resembles a bipartite nuclear localization signal. The biological role of this family remains unclear. Pssm-ID: 409672 [Multi-domain] Cd Length: 76 Bit Score: 47.84 E-value: 1.75e-06
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| DEXHc_POLQ-like | cd18026 | DEXH-box helicase domain of DNA polymerase theta; DNA polymerase theta (POLQ) is important in ... |
949-1140 | 1.86e-06 | |||||||||
DEXH-box helicase domain of DNA polymerase theta; DNA polymerase theta (POLQ) is important in the repair of genomic double-strand breaks (DSBs). POLQ contains an N-terminal type II DEAD box helicase domain which contains the ATP-binding region. Pssm-ID: 350784 [Multi-domain] Cd Length: 202 Bit Score: 51.06 E-value: 1.86e-06
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| RRM2_SREK1 | cd12260 | RNA recognition motif 2 (RRM2) found in splicing regulatory glutamine/lysine-rich protein 1 ... |
2343-2418 | 1.92e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in splicing regulatory glutamine/lysine-rich protein 1 (SREK1) and similar proteins; This subfamily corresponds to the RRM2 of SREK1, also termed serine/arginine-rich-splicing regulatory protein 86-kDa (SRrp86), or splicing factor arginine/serine-rich 12 (SFRS12), or splicing regulatory protein 508 amino acid (SRrp508). SREK1 belongs to a family of proteins containing regions rich in serine-arginine dipeptides (SR proteins family), which is involved in bridge-complex formation and splicing by mediating protein-protein interactions across either introns or exons. It is a unique SR family member and it may play a crucial role in determining tissue specific patterns of alternative splicing. SREK1 can alter splice site selection by both positively and negatively modulating the activity of other SR proteins. For instance, SREK1 can activate SRp20 and repress SC35 in a dose-dependent manner both in vitro and in vivo. In addition, SREK1 contains two (some contain only one) RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and two serine-arginine (SR)-rich domains (SR domains) separated by an unusual glutamic acid-lysine (EK) rich region. The RRM and SR domains are highly conserved among other members of the SR superfamily. However, the EK domain is unique to SREK1. It plays a modulatory role controlling SR domain function by involvement in the inhibition of both constitutive and alternative splicing and in the selection of splice-site. Pssm-ID: 409705 [Multi-domain] Cd Length: 85 Bit Score: 48.07 E-value: 1.92e-06
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| RRM_1 | pfam00076 | RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic ... |
2437-2503 | 2.21e-06 | |||||||||
RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain); The RRM motif is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins. The RRM structure consists of four strands and two helices arranged in an alpha/beta sandwich, with a third helix present during RNA binding in some cases The C-terminal beta strand (4th strand) and final helix are hard to align and have been omitted in the SEED alignment The LA proteins have an N terminal rrm which is included in the seed. There is a second region towards the C terminus that has some features characteriztic of a rrm but does not appear to have the important structural core of a rrm. The LA proteins are one of the main autoantigens in Systemic lupus erythematosus (SLE), an autoimmune disease. Pssm-ID: 425453 [Multi-domain] Cd Length: 70 Bit Score: 47.23 E-value: 2.21e-06
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| RRM2_RBM28_like | cd12414 | RNA recognition motif 2 (RRM2) found in RNA-binding protein 28 (RBM28) and similar proteins; ... |
2346-2390 | 2.24e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in RNA-binding protein 28 (RBM28) and similar proteins; This subfamily corresponds to the RRM2 of RBM28 and Nop4p. RBM28 is a specific nucleolar component of the spliceosomal small nuclear ribonucleoproteins (snRNPs), possibly coordinating their transition through the nucleolus. It specifically associates with U1, U2, U4, U5, and U6 small nuclear RNAs (snRNAs), and may play a role in the maturation of both small nuclear and ribosomal RNAs. RBM28 has four RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an extremely acidic region between RRM2 and RRM3. The family also includes nucleolar protein 4 (Nop4p or Nop77p) encoded by YPL043W from Saccharomyces cerevisiae. It is an essential nucleolar protein involved in processing and maturation of 27S pre-rRNA and biogenesis of 60S ribosomal subunits. Nop4p also contains four RRMs. Pssm-ID: 409848 [Multi-domain] Cd Length: 76 Bit Score: 47.55 E-value: 2.24e-06
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| RRM2_Nop13p_fungi | cd12397 | RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 13 (Nop13p) and similar ... |
2437-2496 | 2.58e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 13 (Nop13p) and similar proteins; This subfamily corresponds to the RRM2 of Nop13p encoded by YNL175c from Saccharomyces cerevisiae. It shares high sequence similarity with nucleolar protein 12 (Nop12p). Both Nop12p and Nop13p are not essential for growth. However, unlike Nop12p that is localized to the nucleolus, Nop13p localizes primarily to the nucleolus but is also present in the nucleoplasm to a lesser extent. Nop13p contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409831 [Multi-domain] Cd Length: 76 Bit Score: 47.44 E-value: 2.58e-06
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| RRM3_Nop4p | cd12676 | RNA recognition motif 3 (RRM3) found in yeast nucleolar protein 4 (Nop4p) and similar proteins; ... |
2341-2390 | 2.81e-06 | |||||||||
RNA recognition motif 3 (RRM3) found in yeast nucleolar protein 4 (Nop4p) and similar proteins; This subgroup corresponds to the RRM3 of Nop4p (also known as Nop77p), encoded by YPL043W from Saccharomyces cerevisiae. It is an essential nucleolar protein involved in processing and maturation of 27S pre-rRNA and biogenesis of 60S ribosomal subunits. Nop4p has four RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 410077 [Multi-domain] Cd Length: 107 Bit Score: 48.19 E-value: 2.81e-06
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| RRM_II_PABPN1L | cd12551 | RNA recognition motif in vertebrate type II embryonic polyadenylate-binding protein 2 (ePABP-2) ... |
2343-2415 | 2.82e-06 | |||||||||
RNA recognition motif in vertebrate type II embryonic polyadenylate-binding protein 2 (ePABP-2); This subgroup corresponds to the RRM of ePABP-2, also termed embryonic poly(A)-binding protein 2, or poly(A)-binding protein nuclear-like 1 (PABPN1L). ePABP-2 is a novel embryonic-specific cytoplasmic type II poly(A)-binding protein that is expressed during the early stages of vertebrate development and in adult ovarian tissue. It may play an important role in the poly(A) metabolism of stored mRNAs during early vertebrate development. ePABP-2 shows significant sequence similarity to the ubiquitously expressed nuclear polyadenylate-binding protein 2 (PABP-2 or PABPN1). Like PABP-2, ePABP-2 contains one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), which is responsible for the poly(A) binding. In addition, it possesses an acidic N-terminal domain predicted to form a coiled-coil and an arginine-rich C-terminal domain. Pssm-ID: 409967 [Multi-domain] Cd Length: 77 Bit Score: 47.13 E-value: 2.82e-06
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| RRM1_hnRNPA_hnRNPD_like | cd12325 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein hnRNP A and ... |
2344-2390 | 3.22e-06 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein hnRNP A and hnRNP D subfamilies and similar proteins; This subfamily corresponds to the RRM1 in the hnRNP A subfamily which includes hnRNP A0, hnRNP A1, hnRNP A2/B1, hnRNP A3 and similar proteins. hnRNP A0 is a low abundance hnRNP protein that has been implicated in mRNA stability in mammalian cells. hnRNP A1 is an abundant eukaryotic nuclear RNA-binding protein that may modulate splice site selection in pre-mRNA splicing. hnRNP A2/B1 is an RNA trafficking response element-binding protein that interacts with the hnRNP A2 response element (A2RE). hnRNP A3 is also a RNA trafficking response element-binding protein that participates in the trafficking of A2RE-containing RNA. The hnRNP A subfamily is characterized by two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), followed by a long glycine-rich region at the C-terminus. The hnRNP D subfamily includes hnRNP D0, hnRNP A/B, hnRNP DL and similar proteins. hnRNP D0 is a UUAG-specific nuclear RNA binding protein that may be involved in pre-mRNA splicing and telomere elongation. hnRNP A/B is an RNA unwinding protein with a high affinity for G- followed by U-rich regions. hnRNP A/B has also been identified as an APOBEC1-binding protein that interacts with apolipoprotein B (apoB) mRNA transcripts around the editing site and thus, plays an important role in apoB mRNA editing. hnRNP DL (or hnRNP D-like) is a dual functional protein that possesses DNA- and RNA-binding properties. It has been implicated in mRNA biogenesis at the transcriptional and post-transcriptional levels. All members in this subfamily contain two putative RRMs and a glycine- and tyrosine-rich C-terminus. The family also contains DAZAP1 (Deleted in azoospermia-associated protein 1), RNA-binding protein Musashi homolog Musashi-1, Musashi-2 and similar proteins. They all harbor two RRMs. Pssm-ID: 409763 [Multi-domain] Cd Length: 72 Bit Score: 46.75 E-value: 3.22e-06
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| RRM_PPIE | cd12347 | RNA recognition motif (RRM) found in cyclophilin-33 (Cyp33) and similar proteins; This ... |
2437-2513 | 3.35e-06 | |||||||||
RNA recognition motif (RRM) found in cyclophilin-33 (Cyp33) and similar proteins; This subfamily corresponds to the RRM of Cyp33, also termed peptidyl-prolyl cis-trans isomerase E (PPIase E), or cyclophilin E, or rotamase E. Cyp33 is a nuclear RNA-binding cyclophilin with an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a C-terminal PPIase domain. Cyp33 possesses RNA-binding activity and preferentially binds to polyribonucleotide polyA and polyU, but hardly to polyG and polyC. It binds specifically to mRNA, which can stimulate its PPIase activity. Moreover, Cyp33 interacts with the third plant homeodomain (PHD3) zinc finger cassette of the mixed lineage leukemia (MLL) proto-oncoprotein and a poly-A RNA sequence through its RRM domain. It further mediates downregulation of the expression of MLL target genes HOXC8, HOXA9, CDKN1B, and C-MYC, in a proline isomerase-dependent manner. Cyp33 also possesses a PPIase activity that catalyzes cis-trans isomerization of the peptide bond preceding a proline, which has been implicated in the stimulation of folding and conformational changes in folded and unfolded proteins. The PPIase activity can be inhibited by the immunosuppressive drug cyclosporin A. Pssm-ID: 409783 [Multi-domain] Cd Length: 75 Bit Score: 46.83 E-value: 3.35e-06
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| RRM_ENOX | cd12228 | RNA recognition motif (RRM) found in the cell surface Ecto-NOX disulfide-thiol exchanger ... |
2340-2390 | 3.55e-06 | |||||||||
RNA recognition motif (RRM) found in the cell surface Ecto-NOX disulfide-thiol exchanger (ECTO-NOX or ENOX) proteins; This subgroup corresponds to the conserved RNA recognition motif (RRM) in ECTO-NOX proteins (also termed ENOX), comprising a family of plant and animal NAD(P)H oxidases exhibiting both, oxidative and protein disulfide isomerase-like, activities. They are growth-related and drive cell enlargement, and may play roles in aging and neurodegenerative diseases. ENOX proteins function as terminal oxidases of plasma membrane electron transport (PMET) through catalyzing electron transport from plasma membrane quinones to extracellular oxygen, forming water as a product. They are also hydroquinone oxidases that oxidize externally supplied NADH, hence NOX. ENOX proteins harbor a di-copper center that lack flavin. ENOX proteins display protein disulfide interchange activity that is also possessed by protein disulfide isomerase. In contrast to the classic protein disulfide isomerases, ENOX proteins lack the double CXXC motif. This family includes two ENOX proteins, ENOX1 and ENOX2. ENOX1, also termed candidate growth-related and time keeping constitutive hydroquinone [NADH] oxidase (cCNOX), or cell proliferation-inducing gene 38 protein, or Constitutive Ecto-NOX (cNOX), is the constitutively expressed cell surface NADH (ubiquinone) oxidase that is ubiquitous and refractory to drugs. ENOX2, also termed APK1 antigen, or cytosolic ovarian carcinoma antigen 1, or tumor-associated hydroquinone oxidase (tNOX), is a cancer-specific variant of ENOX1 and plays a key role in cell proliferation and tumor progression. In contrast to ENOX1, ENOX2 is drug-responsive and harbors a drug binding site to which the cancer-specific S-peptide tagged pan-ENOX2 recombinant (scFv) is directed. Moreover, ENOX2 is specifically inhibited by a variety of quinone site inhibitors that have anticancer activity and is unique to the surface of cancer cells. ENOX proteins contain many functional motifs. Pssm-ID: 409675 [Multi-domain] Cd Length: 84 Bit Score: 47.03 E-value: 3.55e-06
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| RRM2_MSI | cd12323 | RNA recognition motif 2 (RRM2) found in RNA-binding protein Musashi homologs Musashi-1, ... |
2344-2390 | 3.60e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in RNA-binding protein Musashi homologs Musashi-1, Musashi-2 and similar proteins; This subfamily corresponds to the RRM2.in Musashi-1 (also termed Msi1), a neural RNA-binding protein putatively expressed in central nervous system (CNS) stem cells and neural progenitor cells, and associated with asymmetric divisions in neural progenitor cells. It is evolutionarily conserved from invertebrates to vertebrates. Musashi-1 is a homolog of Drosophila Musashi and Xenopus laevis nervous system-specific RNP protein-1 (Nrp-1). It has been implicated in the maintenance of the stem-cell state, differentiation, and tumorigenesis. It translationally regulates the expression of a mammalian numb gene by binding to the 3'-untranslated region of mRNA of Numb, encoding a membrane-associated inhibitor of Notch signaling, and further influences neural development. Moreover, Musashi-1 represses translation by interacting with the poly(A)-binding protein and competes for binding of the eukaryotic initiation factor-4G (eIF-4G). Musashi-2 (also termed Msi2) has been identified as a regulator of the hematopoietic stem cell (HSC) compartment and of leukemic stem cells after transplantation of cells with loss and gain of function of the gene. It influences proliferation and differentiation of HSCs and myeloid progenitors, and further modulates normal hematopoiesis and promotes aggressive myeloid leukemia. Both, Musashi-1 and Musashi-2, contain two conserved N-terminal tandem RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), along with other domains of unknown function. Pssm-ID: 240769 [Multi-domain] Cd Length: 74 Bit Score: 46.66 E-value: 3.60e-06
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| RRM_RBM7_like | cd12336 | RNA recognition motif (RRM) found in RNA-binding protein 7 (RBM7) and similar proteins; This ... |
2343-2416 | 3.75e-06 | |||||||||
RNA recognition motif (RRM) found in RNA-binding protein 7 (RBM7) and similar proteins; This subfamily corresponds to the RRM of RBM7, RBM11 and their eukaryotic homologous. RBM7 is an ubiquitously expressed pre-mRNA splicing factor that enhances messenger RNA (mRNA) splicing in a cell-specific manner or in a certain developmental process, such as spermatogenesis. It interacts with splicing factors SAP145 (the spliceosomal splicing factor 3b subunit 2) and SRp20, and may play a more specific role in meiosis entry and progression. Together with additional testis-specific RNA-binding proteins, RBM7 may regulate the splicing of specific pre-mRNA species that are important in the meiotic cell cycle. RBM11 is a novel tissue-specific splicing regulator that is selectively expressed in brain, cerebellum and testis, and to a lower extent in kidney. It is localized in the nucleoplasm and enriched in SRSF2-containing splicing speckles. It may play a role in the modulation of alternative splicing during neuron and germ cell differentiation. Both, RBM7 and RBM11, contain an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a region lacking known homology at the C-terminus. The RRM is responsible for RNA binding, whereas the C-terminal region permits nuclear localization and homodimerization. Pssm-ID: 409773 [Multi-domain] Cd Length: 75 Bit Score: 46.91 E-value: 3.75e-06
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| RRM1_RBM28_like | cd12413 | RNA recognition motif 1 (RRM1) found in RNA-binding protein 28 (RBM28) and similar proteins; ... |
2343-2416 | 3.77e-06 | |||||||||
RNA recognition motif 1 (RRM1) found in RNA-binding protein 28 (RBM28) and similar proteins; This subfamily corresponds to the RRM1 of RBM28 and Nop4p. RBM28 is a specific nucleolar component of the spliceosomal small nuclear ribonucleoproteins (snRNPs), possibly coordinating their transition through the nucleolus. It specifically associates with U1, U2, U4, U5, and U6 small nuclear RNAs (snRNAs), and may play a role in the maturation of both small nuclear and ribosomal RNAs. RBM28 has four RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an extremely acidic region between RRM2 and RRM3. The family also includes nucleolar protein 4 (Nop4p or Nop77p) encoded by YPL043W from Saccharomyces cerevisiae. It is an essential nucleolar protein involved in processing and maturation of 27S pre-rRNA and biogenesis of 60S ribosomal subunits. Nop4p also contains four RRMs. Pssm-ID: 409847 [Multi-domain] Cd Length: 79 Bit Score: 46.82 E-value: 3.77e-06
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| RRM2_DAZAP1 | cd12327 | RNA recognition motif 2 (RRM2) found in Deleted in azoospermia-associated protein 1 (DAZAP1) ... |
2340-2390 | 3.99e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in Deleted in azoospermia-associated protein 1 (DAZAP1) and similar proteins; This subfamily corresponds to the RRM2 of DAZAP1 or DAZ-associated protein 1, also termed proline-rich RNA binding protein (Prrp), a multi-functional ubiquitous RNA-binding protein expressed most abundantly in the testis and essential for normal cell growth, development, and spermatogenesis. DAZAP1 is a shuttling protein whose acetylated is predominantly nuclear and the nonacetylated form is in cytoplasm. DAZAP1 also functions as a translational regulator that activates translation in an mRNA-specific manner. DAZAP1 was initially identified as a binding partner of Deleted in Azoospermia (DAZ). It also interacts with numerous hnRNPs, including hnRNP U, hnRNP U like-1, hnRNPA1, hnRNPA/B, and hnRNP D, suggesting DAZAP1 might associate and cooperate with hnRNP particles to regulate adenylate-uridylate-rich elements (AU-rich element or ARE)-containing mRNAs. DAZAP1 contains two N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal proline-rich domain. Pssm-ID: 409765 [Multi-domain] Cd Length: 80 Bit Score: 46.73 E-value: 3.99e-06
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| RRM_snRNP70 | cd12236 | RNA recognition motif (RRM) found in U1 small nuclear ribonucleoprotein 70 kDa (U1-70K) and ... |
2343-2390 | 4.37e-06 | |||||||||
RNA recognition motif (RRM) found in U1 small nuclear ribonucleoprotein 70 kDa (U1-70K) and similar proteins; This subfamily corresponds to the RRM of U1-70K, also termed snRNP70, a key component of the U1 snRNP complex, which is one of the key factors facilitating the splicing of pre-mRNA via interaction at the 5' splice site, and is involved in regulation of polyadenylation of some viral and cellular genes, enhancing or inhibiting efficient poly(A) site usage. U1-70K plays an essential role in targeting the U1 snRNP to the 5' splice site through protein-protein interactions with regulatory RNA-binding splicing factors, such as the RS protein ASF/SF2. Moreover, U1-70K protein can specifically bind to stem-loop I of the U1 small nuclear RNA (U1 snRNA) contained in the U1 snRNP complex. It also mediates the binding of U1C, another U1-specific protein, to the U1 snRNP complex. U1-70K contains a conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), followed by an adjacent glycine-rich region at the N-terminal half, and two serine/arginine-rich (SR) domains at the C-terminal half. The RRM is responsible for the binding of stem-loop I of U1 snRNA molecule. Additionally, the most prominent immunodominant region that can be recognized by auto-antibodies from autoimmune patients may be located within the RRM. The SR domains are involved in protein-protein interaction with SR proteins that mediate 5' splice site recognition. For instance, the first SR domain is necessary and sufficient for ASF/SF2 Binding. The family also includes Drosophila U1-70K that is an essential splicing factor required for viability in flies, but its SR domain is dispensable. The yeast U1-70k doesn't contain easily recognizable SR domains and shows low sequence similarity in the RRM region with other U1-70k proteins and therefore not included in this family. The RRM domain is dispensable for yeast U1-70K function. Pssm-ID: 409682 [Multi-domain] Cd Length: 91 Bit Score: 47.23 E-value: 4.37e-06
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| RRM2_hnRNPD_like | cd12329 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein hnRNP D0, ... |
2437-2516 | 5.00e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein hnRNP D0, hnRNP A/B, hnRNP DL and similar proteins; This subfamily corresponds to the RRM2 of hnRNP D0, hnRNP A/B, hnRNP DL and similar proteins. hnRNP D0, a UUAG-specific nuclear RNA binding protein that may be involved in pre-mRNA splicing and telomere elongation. hnRNP A/B is an RNA unwinding protein with a high affinity for G- followed by U-rich regions. It has also been identified as an APOBEC1-binding protein that interacts with apolipoprotein B (apoB) mRNA transcripts around the editing site and thus plays an important role in apoB mRNA editing. hnRNP DL (or hnRNP D-like) is a dual functional protein that possesses DNA- and RNA-binding properties. It has been implicated in mRNA biogenesis at the transcriptional and post-transcriptional levels. All memembers in this family contain two putative RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glycine- and tyrosine-rich C-terminus. Pssm-ID: 240775 [Multi-domain] Cd Length: 75 Bit Score: 46.59 E-value: 5.00e-06
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| RRM_FET | cd12280 | RNA recognition motif (RRM) found in the FET family of RNA-binding proteins; This subfamily ... |
2437-2511 | 5.09e-06 | |||||||||
RNA recognition motif (RRM) found in the FET family of RNA-binding proteins; This subfamily corresponds to the RRM of FET (previously TET) (FUS/TLS, EWS, TAF15) family of RNA-binding proteins. This ubiquitously expressed family of similarly structured proteins predominantly localizing to the nuclear, includes FUS (also known as TLS or Pigpen or hnRNP P2), EWS (also known as EWSR1), TAF15 (also known as hTAFII68 or TAF2N or RPB56), and Drosophila Cabeza (also known as SARFH). The corresponding coding genes of these proteins are involved in deleterious genomic rearrangements with transcription factor genes in a variety of human sarcomas and acute leukemias. All FET proteins interact with each other and are therefore likely to be part of the very same protein complexes, which suggests a general bridging role for FET proteins coupling RNA transcription, processing, transport, and DNA repair. The FET proteins contain multiple copies of a degenerate hexapeptide repeat motif at the N-terminus. The C-terminal region consists of a conserved nuclear import and retention signal (C-NLS), a putative zinc-finger domain, and a conserved RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), which is flanked by 3 arginine-glycine-glycine (RGG) boxes. FUS and EWS might have similar sequence specificity; both bind preferentially to GGUG-containing RNAs. FUS has also been shown to bind strongly to human telomeric RNA and to small low-copy-number RNAs tethered to the promoter of cyclin D1. To date, nothing is known about the RNA binding specificity of TAF15. Pssm-ID: 409722 [Multi-domain] Cd Length: 82 Bit Score: 46.64 E-value: 5.09e-06
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| RRM_CFIm68_CFIm59 | cd12372 | RNA recognition motif (RRM) found in pre-mRNA cleavage factor Im 68 kDa subunit (CFIm68 or ... |
2344-2390 | 5.76e-06 | |||||||||
RNA recognition motif (RRM) found in pre-mRNA cleavage factor Im 68 kDa subunit (CFIm68 or CPSF6), pre-mRNA cleavage factor Im 59 kDa subunit (CFIm59 or CPSF7), and similar proteins; This subfamily corresponds to the RRM of cleavage factor Im (CFIm) subunits. Cleavage factor Im (CFIm) is a highly conserved component of the eukaryotic mRNA 3' processing machinery that functions in UGUA-mediated poly(A) site recognition, the regulation of alternative poly(A) site selection, mRNA export, and mRNA splicing. It is a complex composed of a small 25 kDa (CFIm25) subunit and a larger 59/68/72 kDa subunit. Two separate genes, CPSF6 and CPSF7, code for two isoforms of the large subunit, CFIm68 and CFIm59. Structurally related CFIm68 and CFIm59, also termed cleavage and polyadenylation specificity factor subunit 6 (CPSF7), or cleavage and polyadenylation specificity factor 59 kDa subunit (CPSF59), are functionally redundant. Both contains an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), a central proline-rich region, and a C-terminal RS-like domain. Their N-terminal RRM mediates the interaction with CFIm25, and also serves to enhance RNA binding and facilitate RNA looping. Pssm-ID: 409807 [Multi-domain] Cd Length: 76 Bit Score: 46.15 E-value: 5.76e-06
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| RRM_TRA2A | cd12642 | RNA recognition motif (RRM) found in transformer-2 protein homolog alpha (TRA-2 alpha) and ... |
2341-2418 | 5.89e-06 | |||||||||
RNA recognition motif (RRM) found in transformer-2 protein homolog alpha (TRA-2 alpha) and similar proteins; This subgroup corresponds to the RRM of TRA2-alpha or TRA-2-alpha, also termed transformer-2 protein homolog A, a mammalian homolog of Drosophila transformer-2 (Tra2). TRA2-alpha is a 40-kDa serine/arginine-rich (SR) protein (SRp40) that specifically binds to gonadotropin-releasing hormone (GnRH) exonic splicing enhancer on exon 4 (ESE4) and is necessary for enhanced GnRH pre-mRNA splicing. It strongly stimulates GnRH intron A excision in a dose-dependent manner. In addition, TRA2-alpha can interact with either 9G8 or SRp30c, which may also be crucial for ESE-dependent GnRH pre-mRNA splicing. TRA2-alpha contains a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), flanked by the N- and C-terminal arginine/serine (RS)-rich regions. Pssm-ID: 410047 [Multi-domain] Cd Length: 84 Bit Score: 46.52 E-value: 5.89e-06
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| RecQ | COG0514 | Superfamily II DNA helicase RecQ [Replication, recombination and repair]; |
966-1158 | 5.91e-06 | |||||||||
Superfamily II DNA helicase RecQ [Replication, recombination and repair]; Pssm-ID: 440280 [Multi-domain] Cd Length: 489 Bit Score: 51.68 E-value: 5.91e-06
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| RRM1_Hrp1p | cd12577 | RNA recognition motif 1 (RRM1) found in yeast nuclear polyadenylated RNA-binding protein 4 ... |
2344-2390 | 6.94e-06 | |||||||||
RNA recognition motif 1 (RRM1) found in yeast nuclear polyadenylated RNA-binding protein 4 (Hrp1p or Nab4p) and similar proteins; This subfamily corresponds to the RRM1 of Hrp1p and similar proteins. Hrp1p or Nab4p, also termed cleavage factor IB (CFIB), is a sequence-specific trans-acting factor that is essential for mRNA 3'-end formation in yeast Saccharomyces cerevisiae. It can be UV cross-linked to RNA and specifically recognizes the (UA)6 RNA element required for both, the cleavage and poly(A) addition, steps. Moreover, Hrp1p can shuttle between the nucleus and the cytoplasm, and play an additional role in the export of mRNAs to the cytoplasm. Hrp1p also interacts with Rna15p and Rna14p, two components of CF1A. In addition, Hrp1p functions as a factor directly involved in modulating the activity of the nonsense-mediated mRNA decay (NMD) pathway. It binds specifically to a downstream sequence element (DSE)-containing RNA and interacts with Upf1p, a component of the surveillance complex, further triggering the NMD pathway. Hrp1p contains two central RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an arginine-glycine-rich region harboring repeats of the sequence RGGF/Y. Pssm-ID: 409991 [Multi-domain] Cd Length: 76 Bit Score: 45.95 E-value: 6.94e-06
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| DEXHc_HFM1 | cd18023 | DEXH-box helicase domain of ATP-dependent DNA helicase HFM1; HFM1 is a type II DEAD box ... |
969-1148 | 7.59e-06 | |||||||||
DEXH-box helicase domain of ATP-dependent DNA helicase HFM1; HFM1 is a type II DEAD box helicase, required for crossover formation and complete synapsis of homologous chromosomes during meiosis. HFM1 belongs to the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350781 [Multi-domain] Cd Length: 206 Bit Score: 49.28 E-value: 7.59e-06
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| RRM1_La | cd12291 | RNA recognition motif 1 in La autoantigen (La or LARP3) and similar proteins; This subfamily ... |
2436-2511 | 9.17e-06 | |||||||||
RNA recognition motif 1 in La autoantigen (La or LARP3) and similar proteins; This subfamily corresponds to the RRM1 of La autoantigen, also termed Lupus La protein, or La ribonucleoprotein, or Sjoegren syndrome type B antigen (SS-B), a highly abundant nuclear phosphoprotein and well conserved in eukaryotes. It specifically binds the 3'-terminal UUU-OH motif of nascent RNA polymerase III transcripts and protects them from exonucleolytic degradation by 3' exonucleases. In addition, La can directly facilitate the translation and/or metabolism of many UUU-3' OH-lacking cellular and viral mRNAs, through binding internal RNA sequences within the untranslated regions of target mRNAs. La contains an N-terminal La motif (LAM), followed by two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It also possesses a short basic motif (SBM) and a nuclear localization signal (NLS) at the C-terminus. Pssm-ID: 409733 [Multi-domain] Cd Length: 73 Bit Score: 45.66 E-value: 9.17e-06
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| RRM2_RBM23_RBM39 | cd12284 | RNA recognition motif 2 (RRM2) found in vertebrate RNA-binding protein RBM23, RBM39 and ... |
2457-2511 | 9.45e-06 | |||||||||
RNA recognition motif 2 (RRM2) found in vertebrate RNA-binding protein RBM23, RBM39 and similar proteins; This subfamily corresponds to the RRM2 of RBM39 (also termed HCC1), a nuclear autoantigen that contains an N-terminal arginine/serine rich (RS) motif and three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). An octapeptide sequence called the RS-ERK motif is repeated six times in the RS region of RBM39. Although the cellular function of RBM23 remains unclear, it shows high sequence homology to RBM39 and contains two RRMs. It may possibly function as a pre-mRNA splicing factor. Pssm-ID: 409726 [Multi-domain] Cd Length: 78 Bit Score: 45.69 E-value: 9.45e-06
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| RRM3_Hu | cd12377 | RNA recognition motif 3 (RRM3) found in the Hu proteins family; This subfamily corresponds to ... |
2343-2413 | 1.02e-05 | |||||||||
RNA recognition motif 3 (RRM3) found in the Hu proteins family; This subfamily corresponds to the RRM3 of the Hu proteins family which represent a group of RNA-binding proteins involved in diverse biological processes. Since the Hu proteins share high homology with the Drosophila embryonic lethal abnormal vision (ELAV) protein, the Hu family is sometimes referred to as the ELAV family. Drosophila ELAV is exclusively expressed in neurons and is required for the correct differentiation and survival of neurons in flies. The neuronal members of the Hu family include Hu-antigen B (HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3 or PLE21), and Hu-antigen D (HuD or ELAV-4), which play important roles in neuronal differentiation, plasticity and memory. HuB is also expressed in gonads. Hu-antigen R (HuR or ELAV-1 or HuA) is the ubiquitously expressed Hu family member. It has a variety of biological functions mostly related to the regulation of cellular response to DNA damage and other types of stress. Hu proteins perform their cytoplasmic and nuclear molecular functions by coordinately regulating functionally related mRNAs. In the cytoplasm, Hu proteins recognize and bind to AU-rich RNA elements (AREs) in the 3' untranslated regions (UTRs) of certain target mRNAs, such as GAP-43, vascular epithelial growth factor (VEGF), the glucose transporter GLUT1, eotaxin and c-fos, and stabilize those ARE-containing mRNAs. They also bind and regulate the translation of some target mRNAs, such as neurofilament M, GLUT1, and p27. In the nucleus, Hu proteins function as regulators of polyadenylation and alternative splicing. Each Hu protein contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). RRM1 and RRM2 may cooperate in binding to an ARE. RRM3 may help to maintain the stability of the RNA-protein complex, and might also bind to poly(A) tails or be involved in protein-protein interactions. Pssm-ID: 409811 [Multi-domain] Cd Length: 76 Bit Score: 45.77 E-value: 1.02e-05
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| RRM_NIFK_like | cd12307 | RNA recognition motif in nucleolar protein interacting with the FHA domain of pKI-67 (NIFK) ... |
2343-2390 | 1.10e-05 | |||||||||
RNA recognition motif in nucleolar protein interacting with the FHA domain of pKI-67 (NIFK) and similar proteins; This subgroup corresponds to the RRM of NIFK and Nop15p. NIFK, also termed MKI67 FHA domain-interacting nucleolar phosphoprotein, or nucleolar phosphoprotein Nopp34, is a putative RNA-binding protein interacting with the forkhead associated (FHA) domain of pKi-67 antigen in a mitosis-specific and phosphorylation-dependent manner. It is nucleolar in interphase but associates with condensed mitotic chromosomes. This family also includes Saccharomyces cerevisiae YNL110C gene encoding ribosome biogenesis protein 15 (Nop15p), also termed nucleolar protein 15. Both, NIFK and Nop15p, contain an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). Pssm-ID: 409748 [Multi-domain] Cd Length: 74 Bit Score: 45.26 E-value: 1.10e-05
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| RRM1_LARP7 | cd12290 | RNA recognition motif 1 (RRM1) found in La-related protein 7 (LARP7) and similar proteins; ... |
2436-2496 | 1.17e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in La-related protein 7 (LARP7) and similar proteins; This subfamily corresponds to the RRM1 of LARP7, also termed La ribonucleoprotein domain family member 7, or P-TEFb-interaction protein for 7SK stability (PIP7S), an oligopyrimidine-binding protein that binds to the highly conserved 3'-terminal U-rich stretch (3' -UUU-OH) of 7SK RNA. LARP7 is a stable component of the 7SK small nuclear ribonucleoprotein (7SK snRNP). It intimately associates with all the nuclear 7SK and is required for 7SK stability. LARP7 also acts as a negative transcriptional regulator of cellular and viral polymerase II genes, acting by means of the 7SK snRNP system. It plays an essential role in the inhibition of positive transcription elongation factor b (P-TEFb)-dependent transcription, which has been linked to the global control of cell growth and tumorigenesis. LARP7 contains a La motif (LAM) and an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), at the N-terminal region, which mediates binding to the U-rich 3' terminus of 7SK RNA. LARP7 also carries another putative RRM domain at its C-terminus. Pssm-ID: 409732 [Multi-domain] Cd Length: 79 Bit Score: 45.40 E-value: 1.17e-05
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| RRM1_HRB1_GBP2 | cd21605 | RNA recognition motif 1 (RRM1) found in Saccharomyces cerevisiae protein HRB1, ... |
2343-2390 | 1.46e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in Saccharomyces cerevisiae protein HRB1, G-strand-binding protein 2 (GBP2) and similar proteins; The family includes Saccharomyces cerevisiae protein HRB1 (also called protein TOM34) and GBP2, both of which are SR-like mRNA-binding proteins which shuttle from the nucleus to the cytoplasm when bound to the mature mRNA molecules. They act as quality control factors for spliced mRNAs. GBP2, also called RAP1 localization factor 6, is a single-strand telomeric DNA-binding protein that binds single-stranded telomeric sequences of the type (TG[1-3])n in vitro. It also binds to RNA. GBP2 influences the localization of RAP1 in the nuclei and plays a role in modulating telomere length. Members in this family contain three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the first RRM motif. Pssm-ID: 410184 [Multi-domain] Cd Length: 77 Bit Score: 45.36 E-value: 1.46e-05
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| RRM_hnRNPH_ESRPs_RBM12_like | cd12254 | RNA recognition motif (RRM) found in heterogeneous nuclear ribonucleoprotein (hnRNP) H protein ... |
2343-2390 | 1.51e-05 | |||||||||
RNA recognition motif (RRM) found in heterogeneous nuclear ribonucleoprotein (hnRNP) H protein family, epithelial splicing regulatory proteins (ESRPs), Drosophila RNA-binding protein Fusilli, RNA-binding protein 12 (RBM12) and similar proteins; The family includes RRM domains in the hnRNP H protein family, G-rich sequence factor 1 (GRSF-1), ESRPs (also termed RBM35), Drosophila Fusilli, RBM12 (also termed SWAN), RBM12B, RBM19 (also termed RBD-1) and similar proteins. The hnRNP H protein family includes hnRNP H (also termed mcs94-1), hnRNP H2 (also termed FTP-3 or hnRNP H'), hnRNP F and hnRNP H3 (also termed hnRNP 2H9), which represent a group of nuclear RNA binding proteins that are involved in pre-mRNA processing. GRSF-1 is a cytoplasmic poly(A)+ mRNA binding protein which interacts with RNA in a G-rich element-dependent manner. It may function in RNA packaging, stabilization of RNA secondary structure, or other macromolecular interactions. ESRP1 (also termed RBM35A) and ESRP2 (also termed RBM35B) are epithelial-specific RNA binding proteins that promote splicing of the epithelial variant of fibroblast growth factor receptor 2 (FGFR2), ENAH (also termed hMena), CD44 and CTNND1 (also termed p120-Catenin) transcripts. Fusilli shows high sequence homology to ESRPs. It can regulate endogenous FGFR2 splicing and functions as a splicing factor. The biological roles of both, RBM12 and RBM12B, remain unclear. RBM19 is a nucleolar protein conserved in eukaryotes. It is involved in ribosome biogenesis by processing rRNA. In addition, it is essential for preimplantation development. Members in this family contain 2~6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409699 [Multi-domain] Cd Length: 73 Bit Score: 44.86 E-value: 1.51e-05
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| DEXHc_archSki2 | cd18028 | DEXH-box helicase domain of archaeal Ski2-type helicase; Archaeal Ski2-type RNA helicases play ... |
964-1141 | 1.60e-05 | |||||||||
DEXH-box helicase domain of archaeal Ski2-type helicase; Archaeal Ski2-type RNA helicases play an important role in RNA degradation, processing and splicing pathways. They belong to the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350786 [Multi-domain] Cd Length: 177 Bit Score: 47.71 E-value: 1.60e-05
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| RRM_NELFE | cd12305 | RNA recognition motif in negative elongation factor E (NELF-E) and similar proteins; This ... |
2431-2513 | 1.62e-05 | |||||||||
RNA recognition motif in negative elongation factor E (NELF-E) and similar proteins; This subfamily corresponds to the RRM of NELF-E, also termed RNA-binding protein RD. NELF-E is the RNA-binding subunit of cellular negative transcription elongation factor NELF (negative elongation factor) involved in transcriptional regulation of HIV-1 by binding to the stem of the viral transactivation-response element (TAR) RNA which is synthesized by cellular RNA polymerase II at the viral long terminal repeat. NELF is a heterotetrameric protein consisting of NELF A, B, C or the splice variant D, and E. NELF-E contains an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). It plays a role in the control of HIV transcription by binding to TAR RNA. In addition, NELF-E is associated with the NELF-B subunit, probably via a leucine zipper motif. Pssm-ID: 409746 [Multi-domain] Cd Length: 75 Bit Score: 45.00 E-value: 1.62e-05
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| RRM2_TIA1 | cd12618 | RNA recognition motif 2 (RRM2) found in nucleolysin TIA-1 isoform p40 (p40-TIA-1) and similar ... |
2344-2414 | 1.63e-05 | |||||||||
RNA recognition motif 2 (RRM2) found in nucleolysin TIA-1 isoform p40 (p40-TIA-1) and similar proteins; This subgroup corresponds to the RRM2 of p40-TIA-1, the 40-kDa isoform of T-cell-restricted intracellular antigen-1 (TIA-1), and a cytotoxic granule-associated RNA-binding protein mainly found in the granules of cytotoxic lymphocytes. TIA-1 can be phosphorylated by a serine/threonine kinase that is activated during Fas-mediated apoptosis, and function as the granule component responsible for inducing apoptosis in cytolytic lymphocyte (CTL) targets. It is composed of three N-terminal highly homologous RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glutamine-rich C-terminal auxiliary domain containing a lysosome-targeting motif. TIA-1 interacts with RNAs containing short stretches of uridylates and its RRM2 can mediate the specific binding to uridylate-rich RNAs. Pssm-ID: 410030 [Multi-domain] Cd Length: 78 Bit Score: 45.00 E-value: 1.63e-05
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| RRM_RNPS1 | cd12365 | RNA recognition motif (RRM) found in RNA-binding protein with serine-rich domain 1 (RNPS1) and ... |
2455-2503 | 1.75e-05 | |||||||||
RNA recognition motif (RRM) found in RNA-binding protein with serine-rich domain 1 (RNPS1) and similar proteins; This subfamily corresponds to the RRM of RNPS1 and its eukaryotic homologs. RNPS1, also termed RNA-binding protein prevalent during the S phase, or SR-related protein LDC2, was originally characterized as a general pre-mRNA splicing activator, which activates both constitutive and alternative splicing of pre-mRNA in vitro.It has been identified as a protein component of the splicing-dependent mRNP complex, or exon-exon junction complex (EJC), and is directly involved in mRNA surveillance. Furthermore, RNPS1 is a splicing regulator whose activator function is controlled in part by CK2 (casein kinase II) protein kinase phosphorylation. It can also function as a squamous-cell carcinoma antigen recognized by T cells-3 (SART3)-binding protein, and is involved in the regulation of mRNA splicing. RNPS1 contains an N-terminal serine-rich (S) domain, a central RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and the C-terminal arginine/serine/proline-rich (RS/P) domain. Pssm-ID: 409800 [Multi-domain] Cd Length: 73 Bit Score: 44.85 E-value: 1.75e-05
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| DEADc_DDX51 | cd17956 | DEAD-box helicase domain of DEAD box protein 51; DDX51 aids cell cancer proliferation by ... |
955-1038 | 1.85e-05 | |||||||||
DEAD-box helicase domain of DEAD box protein 51; DDX51 aids cell cancer proliferation by regulating multiple signalling pathways. Mammalian DEAD box protein Ddx51 acts in 3' end maturation of 28S rRNA by promoting the release of U8 snoRNA.It is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350714 [Multi-domain] Cd Length: 231 Bit Score: 48.40 E-value: 1.85e-05
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| RRM_SRSF10_SRSF12 | cd12312 | RNA recognition motif (RRM) found in serine/arginine-rich splicing factor SRSF10, SRSF12 and ... |
2342-2425 | 2.00e-05 | |||||||||
RNA recognition motif (RRM) found in serine/arginine-rich splicing factor SRSF10, SRSF12 and similar proteins; This subfamily corresponds to the RRM of SRSF10 and SRSF12. SRSF10, also termed 40 kDa SR-repressor protein (SRrp40), or FUS-interacting serine-arginine-rich protein 1 (FUSIP1), or splicing factor SRp38, or splicing factor, arginine/serine-rich 13A (SFRS13A), or TLS-associated protein with Ser-Arg repeats (TASR). It is a serine-arginine (SR) protein that acts as a potent and general splicing repressor when dephosphorylated. It mediates global inhibition of splicing both in M phase of the cell cycle and in response to heat shock. SRSF10 emerges as a modulator of cholesterol homeostasis through the regulation of low-density lipoprotein receptor (LDLR) splicing efficiency. It also regulates cardiac-specific alternative splicing of triadin pre-mRNA and is required for proper Ca2+ handling during embryonic heart development. In contrast, the phosphorylated SRSF10 functions as a sequence-specific splicing activator in the presence of a nuclear cofactor. It activates distal alternative 5' splice site of adenovirus E1A pre-mRNA in vivo. Moreover, SRSF10 strengthens pre-mRNA recognition by U1 and U2 snRNPs. SRSF10 localizes to the nuclear speckles and can shuttle between nucleus and cytoplasm. SRSF12, also termed 35 kDa SR repressor protein (SRrp35), or splicing factor, arginine/serine-rich 13B (SFRS13B), or splicing factor, arginine/serine-rich 19 (SFRS19), is a serine/arginine (SR) protein-like alternative splicing regulator that antagonizes authentic SR proteins in the modulation of alternative 5' splice site choice. For instance, it activates distal alternative 5' splice site of the adenovirus E1A pre-mRNA in vivo. Both, SRSF10 and SRSF12, contain a single N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), followed by a C-terminal RS domain rich in serine-arginine dipeptides. Pssm-ID: 240758 [Multi-domain] Cd Length: 84 Bit Score: 45.06 E-value: 2.00e-05
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| RRM2_PUF60 | cd12371 | RNA recognition motif 2 (RRM2) found in (U)-binding-splicing factor PUF60 and similar proteins; ... |
2344-2414 | 2.07e-05 | |||||||||
RNA recognition motif 2 (RRM2) found in (U)-binding-splicing factor PUF60 and similar proteins; This subfamily corresponds to the RRM2 of PUF60, also termed FUSE-binding protein-interacting repressor (FBP-interacting repressor or FIR), or Ro-binding protein 1 (RoBP1), or Siah-binding protein 1 (Siah-BP1). PUF60 is an essential splicing factor that functions as a poly-U RNA-binding protein required to reconstitute splicing in depleted nuclear extracts. Its function is enhanced through interaction with U2 auxiliary factor U2AF65. PUF60 also controls human c-myc gene expression by binding and inhibiting the transcription factor far upstream sequence element (FUSE)-binding-protein (FBP), an activator of c-myc promoters. PUF60 contains two central RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal U2AF (U2 auxiliary factor) homology motifs (UHM) that harbors another RRM and binds to tryptophan-containing linear peptide motifs (UHM ligand motifs, ULMs) in several nuclear proteins. Research indicates that PUF60 binds FUSE as a dimer, and only the first two RRM domains participate in the single-stranded DNA recognition. Pssm-ID: 409806 [Multi-domain] Cd Length: 77 Bit Score: 44.58 E-value: 2.07e-05
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| RRM1_SF3B4 | cd12334 | RNA recognition motif 1 (RRM1) found in splicing factor 3B subunit 4 (SF3B4) and similar ... |
2344-2390 | 2.09e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in splicing factor 3B subunit 4 (SF3B4) and similar proteins; This subfamily corresponds to the RRM1 of SF3B4, also termed pre-mRNA-splicing factor SF3b 49 kDa (SF3b50), or spliceosome-associated protein 49 (SAP 49). SF3B4 a component of the multiprotein complex splicing factor 3b (SF3B), an integral part of the U2 small nuclear ribonucleoprotein (snRNP) and the U11/U12 di-snRNP. SF3B is essential for the accurate excision of introns from pre-messenger RNA, and is involved in the recognition of the pre-mRNA's branch site within the major and minor spliceosomes. SF3B4 functions to tether U2 snRNP with pre-mRNA at the branch site during spliceosome assembly. It is an evolutionarily highly conserved protein with orthologs across diverse species. SF3B4 contains two closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It binds directly to pre-mRNA and also interacts directly and highly specifically with another SF3B subunit called SAP 145. Pssm-ID: 409771 [Multi-domain] Cd Length: 74 Bit Score: 44.52 E-value: 2.09e-05
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| RRM_DAZL_BOULE | cd12412 | RNA recognition motif (RRM) found in AZoospermia (DAZ) autosomal homologs, DAZL (DAZ-like) and ... |
2343-2390 | 2.24e-05 | |||||||||
RNA recognition motif (RRM) found in AZoospermia (DAZ) autosomal homologs, DAZL (DAZ-like) and BOULE; This subfamily corresponds to the RRM domain of two Deleted in AZoospermia (DAZ) autosomal homologs, DAZL (DAZ-like) and BOULE. BOULE is the founder member of the family and DAZL arose from BOULE in an ancestor of vertebrates. The DAZ gene subsequently originated from a duplication transposition of the DAZL gene. Invertebrates contain a single DAZ homolog, BOULE, while vertebrates, other than catarrhine primates, possess both BOULE and DAZL genes. The catarrhine primates possess BOULE, DAZL, and DAZ genes. The family members encode closely related RNA-binding proteins that are required for fertility in numerous organisms. These proteins contain an RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a varying number of copies of a DAZ motif, believed to mediate protein-protein interactions. DAZL and BOULE contain a single copy of the DAZ motif, while DAZ proteins can contain 8-24 copies of this repeat. Although their specific biochemical functions remain to be investigated, DAZL proteins may interact with poly(A)-binding proteins (PABPs), and act as translational activators of specific mRNAs during gametogenesis. Pssm-ID: 409846 [Multi-domain] Cd Length: 81 Bit Score: 44.91 E-value: 2.24e-05
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| PLN03137 | PLN03137 | ATP-dependent DNA helicase; Q4-like; Provisional |
1499-1605 | 2.26e-05 | |||||||||
ATP-dependent DNA helicase; Q4-like; Provisional Pssm-ID: 215597 [Multi-domain] Cd Length: 1195 Bit Score: 50.28 E-value: 2.26e-05
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| RRM1_hnRNPAB | cd12757 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein A/B (hnRNP A/B) ... |
2344-2390 | 2.38e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein A/B (hnRNP A/B) and similar proteins; This subgroup corresponds to the RRM1 of hnRNP A/B, also termed APOBEC1-binding protein 1 (ABBP-1), which is an RNA unwinding protein with a high affinity for G- followed by U-rich regions. hnRNP A/B has also been identified as an APOBEC1-binding protein that interacts with apolipoprotein B (apoB) mRNA transcripts around the editing site and thus plays an important role in apoB mRNA editing. hnRNP A/B contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), followed by a long C-terminal glycine-rich domain that contains a potential ATP/GTP binding loop. Pssm-ID: 410151 [Multi-domain] Cd Length: 80 Bit Score: 44.58 E-value: 2.38e-05
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| RRM_RBM11 | cd12593 | RNA recognition motif (RRM) found in vertebrate RNA-binding protein 11 (RBM11); This subfamily ... |
2343-2415 | 2.45e-05 | |||||||||
RNA recognition motif (RRM) found in vertebrate RNA-binding protein 11 (RBM11); This subfamily corresponds to the RRM or RBM11, a novel tissue-specific splicing regulator that is selectively expressed in brain, cerebellum and testis, and to a lower extent in kidney. RBM11 is localized in the nucleoplasm and enriched in SRSF2-containing splicing speckles. It may play a role in the modulation of alternative splicing during neuron and germ cell differentiation. RBM11 contains an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a region lacking known homology at the C-terminus. The RRM of RBM11 is responsible for RNA binding, whereas the C-terminal region permits nuclear localization and homodimerization. Pssm-ID: 410006 [Multi-domain] Cd Length: 75 Bit Score: 44.40 E-value: 2.45e-05
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| SF-CC1 | TIGR01622 | splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors ... |
2337-2415 | 2.55e-05 | |||||||||
splicing factor, CC1-like family; This model represents a subfamily of RNA splicing factors including the Pad-1 protein (N. crassa), CAPER (M. musculus) and CC1.3 (H.sapiens). These proteins are characterized by an N-terminal arginine-rich, low complexity domain followed by three (or in the case of 4 H. sapiens paralogs, two) RNA recognition domains (rrm: pfam00706). These splicing factors are closely related to the U2AF splicing factor family (TIGR01642). A homologous gene from Plasmodium falciparum was identified in the course of the analysis of that genome at TIGR and was included in the seed. Pssm-ID: 273721 [Multi-domain] Cd Length: 494 Bit Score: 49.53 E-value: 2.55e-05
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| RRM2_TIAR | cd12617 | RNA recognition motif 2 (RRM2) found in nucleolysin TIAR and similar proteins; This subgroup ... |
2344-2414 | 2.72e-05 | |||||||||
RNA recognition motif 2 (RRM2) found in nucleolysin TIAR and similar proteins; This subgroup corresponds to the RRM2 of nucleolysin TIAR, also termed TIA-1-related protein, a cytotoxic granule-associated RNA-binding protein that shows high sequence similarity with 40-kDa isoform of T-cell-restricted intracellular antigen-1 (p40-TIA-1). TIAR is mainly localized in the nucleus of hematopoietic and nonhematopoietic cells. It is translocated from the nucleus to the cytoplasm in response to exogenous triggers of apoptosis. TIAR possesses nucleolytic activity against cytolytic lymphocyte (CTL) target cells. It can trigger DNA fragmentation in permeabilized thymocytes, and thus may function as an effector responsible for inducing apoptosis. TIAR is composed of three N-terminal, highly homologous RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glutamine-rich C-terminal auxiliary domain containing a lysosome-targeting motif. It interacts with RNAs containing short stretches of uridylates and its RRM2 can mediate the specific binding to uridylate-rich RNAs. Pssm-ID: 410029 [Multi-domain] Cd Length: 80 Bit Score: 44.60 E-value: 2.72e-05
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| RRM_eIF3G_like | cd12408 | RNA recognition motif (RRM) found in eukaryotic translation initiation factor 3 subunit G ... |
2448-2512 | 2.94e-05 | |||||||||
RNA recognition motif (RRM) found in eukaryotic translation initiation factor 3 subunit G (eIF-3G) and similar proteins; This subfamily corresponds to the RRM of eIF-3G and similar proteins. eIF-3G, also termed eIF-3 subunit 4, or eIF-3-delta, or eIF3-p42, or eIF3-p44, is the RNA-binding subunit of eIF3, a large multisubunit complex that plays a central role in the initiation of translation by binding to the 40 S ribosomal subunit and promoting the binding of methionyl-tRNAi and mRNA. eIF-3G binds 18 S rRNA and beta-globin mRNA, and therefore appears to be a nonspecific RNA-binding protein. eIF-3G is one of the cytosolic targets and interacts with mature apoptosis-inducing factor (AIF). eIF-3G contains one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). This family also includes yeast eIF3-p33, a homolog of vertebrate eIF-3G, plays an important role in the initiation phase of protein synthesis in yeast. It binds both, mRNA and rRNA, fragments due to an RRM near its C-terminus. Pssm-ID: 409842 [Multi-domain] Cd Length: 76 Bit Score: 44.42 E-value: 2.94e-05
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| RRM2_Prp24 | cd12297 | RNA recognition motif 2 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar ... |
2342-2413 | 3.13e-05 | |||||||||
RNA recognition motif 2 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar proteins; This subfamily corresponds to the RRM2 of Prp24, also termed U4/U6 snRNA-associated-splicing factor PRP24 (U4/U6 snRNP), an RNA-binding protein with four well conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It facilitates U6 RNA base-pairing with U4 RNA during spliceosome assembly. Prp24 specifically binds free U6 RNA primarily with RRMs 1 and 2 and facilitates pairing of U6 RNA bases with U4 RNA bases. Additionally, it may also be involved in dissociation of the U4/U6 complex during spliceosome activation. Pssm-ID: 409738 [Multi-domain] Cd Length: 78 Bit Score: 44.29 E-value: 3.13e-05
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| RRM_RBM8 | cd12324 | RNA recognition motif (RRM) found in RNA-binding protein RBM8A, RBM8B nd similar proteins; ... |
2344-2416 | 3.39e-05 | |||||||||
RNA recognition motif (RRM) found in RNA-binding protein RBM8A, RBM8B nd similar proteins; This subfamily corresponds to the RRM of RBM8, also termed binder of OVCA1-1 (BOV-1), or RNA-binding protein Y14, which is one of the components of the exon-exon junction complex (EJC). It has two isoforms, RBM8A and RBM8B, both of which are identical except that RBM8B is 16 amino acids shorter at its N-terminus. RBM8, together with other EJC components (such as Magoh, Aly/REF, RNPS1, Srm160, and Upf3), plays critical roles in postsplicing processing, including nuclear export and cytoplasmic localization of the mRNA, and the nonsense-mediated mRNA decay (NMD) surveillance process. RBM8 binds to mRNA 20-24 nucleotides upstream of a spliced exon-exon junction. It is also involved in spliced mRNA nuclear export, and the process of nonsense-mediated decay of mRNAs with premature stop codons. RBM8 forms a specific heterodimer complex with the EJC protein Magoh which then associates with Aly/REF, RNPS1, DEK, and SRm160 on the spliced mRNA, and inhibits ATP turnover by eIF4AIII, thereby trapping the EJC core onto RNA. RBM8 contains an N-terminal putative bipartite nuclear localization signal, one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), in the central region, and a C-terminal serine-arginine rich region (SR domain) and glycine-arginine rich region (RG domain). Pssm-ID: 409762 [Multi-domain] Cd Length: 88 Bit Score: 44.53 E-value: 3.39e-05
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| RRM3_NCL | cd12405 | RNA recognition motif 3 (RRM3) found in vertebrate nucleolin; This subfamily corresponds to ... |
2341-2416 | 3.61e-05 | |||||||||
RNA recognition motif 3 (RRM3) found in vertebrate nucleolin; This subfamily corresponds to the RRM3 of ubiquitously expressed protein nucleolin, also termed protein C23, is a multifunctional major nucleolar phosphoprotein that has been implicated in various metabolic processes, such as ribosome biogenesis, cytokinesis, nucleogenesis, cell proliferation and growth, cytoplasmic-nucleolar transport of ribosomal components, transcriptional repression, replication, signal transduction, inducing chromatin decondensation, etc. Nucleolin exhibits intrinsic self-cleaving, DNA helicase, RNA helicase and DNA-dependent ATPase activities. It can be phosphorylated by many protein kinases, such as the major mitotic kinase Cdc2, casein kinase 2 (CK2), and protein kinase C-zeta. Nucleolin shares similar domain architecture with gar2 from Schizosaccharomyces pombe and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of nucleolin is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of nucleolin contains four closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which suggests that nucleolin is potentially able to interact with multiple RNA targets. The C-terminal RGG (or GAR) domain of nucleolin is rich in glycine, arginine and phenylalanine residues, and contains high levels of NG,NG-dimethylarginines. Pssm-ID: 409839 [Multi-domain] Cd Length: 72 Bit Score: 44.09 E-value: 3.61e-05
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| RRM1_RBM10 | cd12753 | RNA recognition motif 1 (RRM1) found in vertebrate RNA-binding protein 10 (RBM10); This ... |
2341-2390 | 3.92e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in vertebrate RNA-binding protein 10 (RBM10); This subgroup corresponds to the RRM1 of RBM10, also termed G patch domain-containing protein 9, or RNA-binding protein S1-1 (S1-1), a paralog of putative tumor suppressor RNA-binding protein 5 (RBM5 or LUCA15 or H37). It may play an important role in mRNA generation, processing and degradation in several cell types. The rat homolog of human RBM10 is protein S1-1, a hypothetical RNA binding protein with poly(G) and poly(U) binding capabilities. RBM10 is structurally related to RBM5 and RNA-binding protein 6 (RBM6 or NY-LU-12 or g16 or DEF-3). It contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), two C2H2-type zinc fingers, and a G-patch/D111 domain. Pssm-ID: 410147 [Multi-domain] Cd Length: 84 Bit Score: 44.16 E-value: 3.92e-05
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| RRM4_NCL | cd12406 | RNA recognition motif 4 (RRM4) found in vertebrate nucleolin; This subfamily corresponds to ... |
2436-2510 | 4.07e-05 | |||||||||
RNA recognition motif 4 (RRM4) found in vertebrate nucleolin; This subfamily corresponds to the RRM4 of ubiquitously expressed protein nucleolin, also termed protein C23, is a multifunctional major nucleolar phosphoprotein that has been implicated in various metabolic processes, such as ribosome biogenesis, cytokinesis, nucleogenesis, cell proliferation and growth, cytoplasmic-nucleolar transport of ribosomal components, transcriptional repression, replication, signal transduction, inducing chromatin decondensation, etc. Nucleolin exhibits intrinsic self-cleaving, DNA helicase, RNA helicase and DNA-dependent ATPase activities. It can be phosphorylated by many protein kinases, such as the major mitotic kinase Cdc2, casein kinase 2 (CK2), and protein kinase C-zeta. Nucleolin shares similar domain architecture with gar2 from Schizosaccharomyces pombe and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of nucleolin is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of nucleolin contains four closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which suggests that nucleolin is potentially able to interact with multiple RNA targets. The C-terminal RGG (or GAR) domain of nucleolin is rich in glycine, arginine and phenylalanine residues, and contains high levels of NG,NG-dimethylarginines. Pssm-ID: 409840 [Multi-domain] Cd Length: 78 Bit Score: 44.14 E-value: 4.07e-05
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| RRM3_I_PABPs | cd12380 | RNA recognition motif 3 (RRM3) found found in type I polyadenylate-binding proteins; This ... |
2342-2413 | 4.11e-05 | |||||||||
RNA recognition motif 3 (RRM3) found found in type I polyadenylate-binding proteins; This subfamily corresponds to the RRM3 of type I poly(A)-binding proteins (PABPs), highly conserved proteins that bind to the poly(A) tail present at the 3' ends of most eukaryotic mRNAs. They have been implicated in the regulation of poly(A) tail length during the polyadenylation reaction, translation initiation, mRNA stabilization by influencing the rate of deadenylation and inhibition of mRNA decapping. The family represents type I polyadenylate-binding proteins (PABPs), including polyadenylate-binding protein 1 (PABP-1 or PABPC1), polyadenylate-binding protein 3 (PABP-3 or PABPC3), polyadenylate-binding protein 4 (PABP-4 or APP-1 or iPABP), polyadenylate-binding protein 5 (PABP-5 or PABPC5), polyadenylate-binding protein 1-like (PABP-1-like or PABPC1L), polyadenylate-binding protein 1-like 2 (PABPC1L2 or RBM32), polyadenylate-binding protein 4-like (PABP-4-like or PABPC4L), yeast polyadenylate-binding protein, cytoplasmic and nuclear (PABP or ACBP-67), and similar proteins. PABP-1 is an ubiquitously expressed multifunctional protein that may play a role in 3' end formation of mRNA, translation initiation, mRNA stabilization, protection of poly(A) from nuclease activity, mRNA deadenylation, inhibition of mRNA decapping, and mRNP maturation. Although PABP-1 is thought to be a cytoplasmic protein, it is also found in the nucleus. PABP-1 may be involved in nucleocytoplasmic trafficking and utilization of mRNP particles. PABP-1 contains four copies of RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), a less well conserved linker region, and a proline-rich C-terminal conserved domain (CTD). PABP-3 is a testis-specific poly(A)-binding protein specifically expressed in round spermatids. It is mainly found in mammalian and may play an important role in the testis-specific regulation of mRNA homeostasis. PABP-3 shows significant sequence similarity to PABP-1. However, it binds to poly(A) with a lower affinity than PABP-1. PABP-1 possesses an A-rich sequence in its 5'-UTR and allows binding of PABP and blockage of translation of its own mRNA. In contrast, PABP-3 lacks the A-rich sequence in its 5'-UTR. PABP-4 is an inducible poly(A)-binding protein (iPABP) that is primarily localized to the cytoplasm. It shows significant sequence similarity to PABP-1 as well. The RNA binding properties of PABP-1 and PABP-4 appear to be identical. PABP-5 is encoded by PABPC5 gene within the X-specific subinterval, and expressed in fetal brain and in a range of adult tissues in mammalian, such as ovary and testis. It may play an important role in germ cell development. Moreover, unlike other PABPs, PABP-5 contains only four RRMs, but lacks both the linker region and the CTD. PABP-1-like and PABP-1-like 2 are the orthologs of PABP-1. PABP-4-like is the ortholog of PABP-5. Their cellular functions remain unclear. The family also includes the yeast PABP, a conserved poly(A) binding protein containing poly(A) tails that can be attached to the 3'-ends of mRNAs. The yeast PABP and its homologs may play important roles in the initiation of translation and in mRNA decay. Like vertebrate PABP-1, the yeast PABP contains four RRMs, a linker region, and a proline-rich CTD as well. The first two RRMs are mainly responsible for specific binding to poly(A). The proline-rich region may be involved in protein-protein interactions. Pssm-ID: 409814 [Multi-domain] Cd Length: 80 Bit Score: 44.09 E-value: 4.11e-05
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| RRM1_RBM5_like | cd12561 | RNA recognition motif 1 (RRM1) found in RNA-binding protein 5 (RBM5) and similar proteins; ... |
2341-2390 | 4.67e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in RNA-binding protein 5 (RBM5) and similar proteins; This subgroup corresponds to the RRM1 of RNA-binding protein 5 (RBM5 or LUCA15 or H37), RNA-binding protein 10 (RBM10 or S1-1) and similar proteins. RBM5 is a known modulator of apoptosis. It may also act as a tumor suppressor or an RNA splicing factor; it specifically binds poly(G) RNA. RBM10, a paralog of RBM5, may play an important role in mRNA generation, processing and degradation in several cell types. The rat homolog of human RBM10 is protein S1-1, a hypothetical RNA binding protein with poly(G) and poly(U) binding capabilities. Both, RBM5 and RBM10, contain two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), two C2H2-type zinc fingers, and a G-patch/D111 domain. Pssm-ID: 409977 [Multi-domain] Cd Length: 81 Bit Score: 43.89 E-value: 4.67e-05
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| RRM_RBM24_RBM38_like | cd12384 | RNA recognition motif (RRM) found in eukaryotic RNA-binding protein RBM24, RBM38 and similar ... |
2342-2390 | 4.86e-05 | |||||||||
RNA recognition motif (RRM) found in eukaryotic RNA-binding protein RBM24, RBM38 and similar proteins; This subfamily corresponds to the RRM of RBM24 and RBM38 from vertebrate, SUPpressor family member SUP-12 from Caenorhabditis elegans and similar proteins. Both, RBM24 and RBM38, are preferentially expressed in cardiac and skeletal muscle tissues. They regulate myogenic differentiation by controlling the cell cycle in a p21-dependent or -independent manner. RBM24, also termed RNA-binding region-containing protein 6, interacts with the 3'-untranslated region (UTR) of myogenin mRNA and regulates its stability in C2C12 cells. RBM38, also termed CLL-associated antigen KW-5, or HSRNASEB, or RNA-binding region-containing protein 1(RNPC1), or ssDNA-binding protein SEB4, is a direct target of the p53 family. It is required for maintaining the stability of the basal and stress-induced p21 mRNA by binding to their 3'-UTRs. It also binds the AU-/U-rich elements in p63 3'-UTR and regulates p63 mRNA stability and activity. SUP-12 is a novel tissue-specific splicing factor that controls muscle-specific splicing of the ADF/cofilin pre-mRNA in C. elegans. All family members contain a conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). Pssm-ID: 409818 [Multi-domain] Cd Length: 76 Bit Score: 43.52 E-value: 4.86e-05
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| RRM1_DAZAP1 | cd12574 | RNA recognition motif 1 (RRM1) found in Deleted in azoospermia-associated protein 1 (DAZAP1) ... |
2344-2390 | 5.10e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in Deleted in azoospermia-associated protein 1 (DAZAP1) and similar proteins; This subfamily corresponds to the RRM1 of DAZAP1 or DAZ-associated protein 1, also termed proline-rich RNA binding protein (Prrp), a multi-functional ubiquitous RNA-binding protein expressed most abundantly in the testis and essential for normal cell growth, development, and spermatogenesis. DAZAP1 is a shuttling protein whose acetylated form is predominantly nuclear and the nonacetylated form is in cytoplasm. It also functions as a translational regulator that activates translation in an mRNA-specific manner. DAZAP1 was initially identified as a binding partner of Deleted in Azoospermia (DAZ). It also interacts with numerous hnRNPs, including hnRNP U, hnRNP U like-1, hnRNPA1, hnRNPA/B, and hnRNP D, suggesting DAZAP1 might associate and cooperate with hnRNP particles to regulate adenylate-uridylate-rich elements (AU-rich element or ARE)-containing mRNAs. DAZAP1 contains two N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal proline-rich domain. Pssm-ID: 409988 [Multi-domain] Cd Length: 82 Bit Score: 43.87 E-value: 5.10e-05
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| RRM1_Prp24 | cd12296 | RNA recognition motif 1 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar ... |
2342-2390 | 5.11e-05 | |||||||||
RNA recognition motif 1 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar proteins; This subfamily corresponds to the RRM1 of Prp24, also termed U4/U6 snRNA-associated-splicing factor PRP24 (U4/U6 snRNP), an RNA-binding protein with four well conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It facilitates U6 RNA base-pairing with U4 RNA during spliceosome assembly. Prp24 specifically binds free U6 RNA primarily with RRMs 1 and 2 and facilitates pairing of U6 RNA bases with U4 RNA bases. Additionally, it may also be involved in dissociation of the U4/U6 complex during spliceosome activation. Pssm-ID: 409737 [Multi-domain] Cd Length: 71 Bit Score: 43.41 E-value: 5.11e-05
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| DEXHc_RecQ1 | cd18015 | DEXH-box helicase domain of RecQ1; ATP-dependent DNA helicase Q1 (RecQ1) is part of the RecQ ... |
966-1032 | 5.81e-05 | |||||||||
DEXH-box helicase domain of RecQ1; ATP-dependent DNA helicase Q1 (RecQ1) is part of the RecQ family of highly conserved DNA repair helicases that is part of the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350773 [Multi-domain] Cd Length: 209 Bit Score: 46.59 E-value: 5.81e-05
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| RRM1_RBM45 | cd12366 | RNA recognition motif 1 (RRM1) found in RNA-binding protein 45 (RBM45) and similar proteins; ... |
2455-2501 | 5.81e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in RNA-binding protein 45 (RBM45) and similar proteins; This subfamily corresponds to the RRM1 of RBM45, also termed developmentally-regulated RNA-binding protein 1 (DRB1), a new member of RNA recognition motif (RRM)-type neural RNA-binding proteins, which expresses under spatiotemporal control. It is encoded by gene drb1 that is expressed in neurons, not in glial cells. RBM45 predominantly localizes in cytoplasm of cultured cells and specifically binds to poly(C) RNA. It could play an important role during neurogenesis. RBM45 carries four RRMs, also known as RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409801 [Multi-domain] Cd Length: 81 Bit Score: 43.46 E-value: 5.81e-05
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| RRM2_SXL | cd12651 | RNA recognition motif 2 (RRM2) found in Drosophila sex-lethal (SXL) and similar proteins; This ... |
2433-2516 | 6.41e-05 | |||||||||
RNA recognition motif 2 (RRM2) found in Drosophila sex-lethal (SXL) and similar proteins; This subfamily corresponds to the RRM2 of the sex-lethal protein (SXL) which governs sexual differentiation and X chromosome dosage compensation in Drosophila melanogaster. It induces female-specific alternative splicing of the transformer (tra) pre-mRNA by binding to the tra uridine-rich polypyrimidine tract at the non-sex-specific 3' splice site during the sex-determination process. SXL binds also to its own pre-mRNA and promotes female-specific alternative splicing. SXL contains an N-terminal Gly/Asn-rich domain that may be responsible for the protein-protein interaction, and tandem RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), that show high preference to bind single-stranded, uridine-rich target RNA transcripts. Pssm-ID: 410054 [Multi-domain] Cd Length: 81 Bit Score: 43.34 E-value: 6.41e-05
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| RRM1_RBM34 | cd12394 | RNA recognition motif 1 (RRM1) found in RNA-binding protein 34 (RBM34) and similar proteins; ... |
2343-2373 | 6.52e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in RNA-binding protein 34 (RBM34) and similar proteins; This subfamily corresponds to the RRM1 of RBM34, a putative RNA-binding protein containing two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Although the function of RBM34 remains unclear currently, its RRM domains may participate in mRNA processing. RBM34 may act as an mRNA processing-related protein. Pssm-ID: 409828 [Multi-domain] Cd Length: 91 Bit Score: 43.74 E-value: 6.52e-05
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| RRM1_TDP43 | cd12321 | RNA recognition motif 1 (RRM1) found in TAR DNA-binding protein 43 (TDP-43) and similar ... |
2346-2390 | 6.55e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in TAR DNA-binding protein 43 (TDP-43) and similar proteins; This subfamily corresponds to the RRM1 of TDP-43 (also termed TARDBP), a ubiquitously expressed pathogenic protein whose normal function and abnormal aggregation are directly linked to the genetic disease cystic fibrosis, and two neurodegenerative disorders: frontotemporal lobar degeneration (FTLD) and amyotrophic lateral sclerosis (ALS). TDP-43 binds both DNA and RNA, and has been implicated in transcriptional repression, pre-mRNA splicing and translational regulation. TDP-43 is a dimeric protein with two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal glycine-rich domain. The RRMs are responsible for DNA and RNA binding; they bind to TAR DNA and RNA sequences with UG-repeats. The glycine-rich domain can interact with the hnRNP family proteins to form the hnRNP-rich complex involved in splicing inhibition. It is also essential for the cystic fibrosis transmembrane conductance regulator (CFTR) exon 9-skipping activity. Pssm-ID: 409760 [Multi-domain] Cd Length: 74 Bit Score: 43.16 E-value: 6.55e-05
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| RRM1_SECp43_like | cd12344 | RNA recognition motif 1 (RRM1) found in tRNA selenocysteine-associated protein 1 (SECp43) and ... |
2343-2390 | 6.70e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in tRNA selenocysteine-associated protein 1 (SECp43) and similar proteins; This subfamily corresponds to the RRM1 in tRNA selenocysteine-associated protein 1 (SECp43), yeast negative growth regulatory protein NGR1 (RBP1), yeast protein NAM8, and similar proteins. SECp43 is an RNA-binding protein associated specifically with eukaryotic selenocysteine tRNA [tRNA(Sec)]. It may play an adaptor role in the mechanism of selenocysteine insertion. SECp43 is located primarily in the nucleus and contains two N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal polar/acidic region. Yeast proteins, NGR1 and NAM8, show high sequence similarity with SECp43. NGR1 is a putative glucose-repressible protein that binds both RNA and single-stranded DNA (ssDNA). It may function in regulating cell growth in early log phase, possibly through its participation in RNA metabolism. NGR1 contains three RRMs, two of which are followed by a glutamine-rich stretch that may be involved in transcriptional activity. In addition, NGR1 has an asparagine-rich region near the C-terminus which also harbors a methionine-rich region. NAM8 is a putative RNA-binding protein that acts as a suppressor of mitochondrial splicing deficiencies when overexpressed in yeast. It may be a non-essential component of the mitochondrial splicing machinery. NAM8 also contains three RRMs. Pssm-ID: 409780 [Multi-domain] Cd Length: 82 Bit Score: 43.45 E-value: 6.70e-05
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| RRM1_PUF60 | cd12370 | RNA recognition motif 1 (RRM1) found in (U)-binding-splicing factor PUF60 and similar proteins; ... |
2344-2415 | 8.03e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in (U)-binding-splicing factor PUF60 and similar proteins; This subfamily corresponds to the RRM1 of PUF60, also termed FUSE-binding protein-interacting repressor (FBP-interacting repressor or FIR), or Ro-binding protein 1 (RoBP1), or Siah-binding protein 1 (Siah-BP1). PUF60 is an essential splicing factor that functions as a poly-U RNA-binding protein required to reconstitute splicing in depleted nuclear extracts. Its function is enhanced through interaction with U2 auxiliary factor U2AF65. PUF60 also controls human c-myc gene expression by binding and inhibiting the transcription factor far upstream sequence element (FUSE)-binding-protein (FBP), an activator of c-myc promoters. PUF60 contains two central RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal U2AF (U2 auxiliary factor) homology motifs (UHM) that harbors another RRM and binds to tryptophan-containing linear peptide motifs (UHM ligand motifs, ULMs) in several nuclear proteins. Research indicates that PUF60 binds FUSE as a dimer, and only the first two RRM domains participate in the single-stranded DNA recognition. Pssm-ID: 409805 [Multi-domain] Cd Length: 76 Bit Score: 43.17 E-value: 8.03e-05
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| RRM3_Prp24 | cd12298 | RNA recognition motif 3 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar ... |
2437-2503 | 8.28e-05 | |||||||||
RNA recognition motif 3 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar proteins; This subfamily corresponds to the RRM3 of Prp24, also termed U4/U6 snRNA-associated-splicing factor PRP24 (U4/U6 snRNP), an RNA-binding protein with four well conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It facilitates U6 RNA base-pairing with U4 RNA during spliceosome assembly. Prp24 specifically binds free U6 RNA primarily with RRMs 1 and 2 and facilitates pairing of U6 RNA bases with U4 RNA bases. Additionally, it may also be involved in dissociation of the U4/U6 complex during spliceosome activation. Pssm-ID: 409739 [Multi-domain] Cd Length: 78 Bit Score: 43.02 E-value: 8.28e-05
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| RRM1_RBM19 | cd12564 | RNA recognition motif 1 (RRM1) found in RNA-binding protein 19 (RBM19) and similar proteins; ... |
2346-2390 | 8.70e-05 | |||||||||
RNA recognition motif 1 (RRM1) found in RNA-binding protein 19 (RBM19) and similar proteins; This subgroup corresponds to the RRM1 of RBM19, also termed RNA-binding domain-1 (RBD-1), a nucleolar protein conserved in eukaryotes. It is involved in ribosome biogenesis by processing rRNA. In addition, it is essential for preimplantation development. RBM19 has a unique domain organization containing 6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409980 [Multi-domain] Cd Length: 76 Bit Score: 43.07 E-value: 8.70e-05
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| RRM3_HRB1_GBP2 | cd21607 | RNA recognition motif 3 (RRM3) found in Saccharomyces cerevisiae protein HRB1, ... |
2341-2390 | 9.89e-05 | |||||||||
RNA recognition motif 3 (RRM3) found in Saccharomyces cerevisiae protein HRB1, G-strand-binding protein 2 (GBP2) and similar proteins; The family includes Saccharomyces cerevisiae protein HRB1 (also called protein TOM34) and GBP2, both of which are SR-like mRNA-binding proteins which shuttle from the nucleus to the cytoplasm when bound to the mature mRNA molecules. They act as quality control factors for spliced mRNAs. GBP2, also called RAP1 localization factor 6, is a single-strand telomeric DNA-binding protein that binds single-stranded telomeric sequences of the type (TG[1-3])n in vitro. It also binds to RNA. GBP2 influences the localization of RAP1 in the nuclei and plays a role in modulating telomere length. Members in this family contain three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the third RRM motif. Pssm-ID: 410186 [Multi-domain] Cd Length: 79 Bit Score: 43.08 E-value: 9.89e-05
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| RRM2_TIA1_like | cd12353 | RNA recognition motif 2 (RRM2) found in granule-associated RNA binding proteins p40-TIA-1 and ... |
2344-2414 | 1.05e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in granule-associated RNA binding proteins p40-TIA-1 and TIAR; This subfamily corresponds to the RRM2 of nucleolysin TIA-1 isoform p40 (p40-TIA-1 or TIA-1) and nucleolysin TIA-1-related protein (TIAR), both of which are granule-associated RNA binding proteins involved in inducing apoptosis in cytotoxic lymphocyte (CTL) target cells. TIA-1 and TIAR share high sequence similarity. They are expressed in a wide variety of cell types. TIA-1 can be phosphorylated by a serine/threonine kinase that is activated during Fas-mediated apoptosis. TIAR is mainly localized in the nucleus of hematopoietic and nonhematopoietic cells. It is translocated from the nucleus to the cytoplasm in response to exogenous triggers of apoptosis. Both, TIA-1 and TIAR, bind specifically to poly(A) but not to poly(C) homopolymers. They are composed of three N-terminal highly homologous RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glutamine-rich C-terminal auxiliary domain containing a lysosome-targeting motif. TIA-1 and TIAR interact with RNAs containing short stretches of uridylates and their RRM2 can mediate the specific binding to uridylate-rich RNAs. The C-terminal auxiliary domain may be responsible for interacting with other proteins. In addition, TIA-1 and TIAR share a potential serine protease-cleavage site (Phe-Val-Arg) localized at the junction between their RNA binding domains and their C-terminal auxiliary domains. Pssm-ID: 409789 [Multi-domain] Cd Length: 75 Bit Score: 42.76 E-value: 1.05e-04
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| RRM2_hnRNPA0 | cd12579 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A0 (hnRNP A0) ... |
2344-2390 | 1.08e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A0 (hnRNP A0) and similar proteins; This subgroup corresponds to the RRM2 of hnRNP A0, a low abundance hnRNP protein that has been implicated in mRNA stability in mammalian cells. It has been identified as the substrate for MAPKAP-K2 and may be involved in the lipopolysaccharide (LPS)-induced post-transcriptional regulation of tumor necrosis factor-alpha (TNF-alpha), cyclooxygenase 2 (COX-2) and macrophage inflammatory protein 2 (MIP-2). hnRNP A0 contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), followed by a long glycine-rich region at the C-terminus. Pssm-ID: 409993 [Multi-domain] Cd Length: 80 Bit Score: 42.90 E-value: 1.08e-04
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| RRM_ist3_like | cd12411 | RNA recognition motif (RRM) found in ist3 family; This subfamily corresponds to the RRM of the ... |
2437-2512 | 1.13e-04 | |||||||||
RNA recognition motif (RRM) found in ist3 family; This subfamily corresponds to the RRM of the ist3 family that includes fungal U2 small nuclear ribonucleoprotein (snRNP) component increased sodium tolerance protein 3 (ist3), X-linked 2 RNA-binding motif proteins (RBMX2) found in Metazoa and plants, and similar proteins. Gene IST3 encoding ist3, also termed U2 snRNP protein SNU17 (Snu17p), is a novel yeast Saccharomyces cerevisiae protein required for the first catalytic step of splicing and for progression of spliceosome assembly. It binds specifically to the U2 snRNP and is an intrinsic component of prespliceosomes and spliceosomes. Yeast ist3 contains an atypical RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). In the yeast pre-mRNA retention and splicing complex, the atypical RRM of ist3 functions as a scaffold that organizes the other two constituents, Bud13p (bud site selection 13) and Pml1p (pre-mRNA leakage 1). Fission yeast Schizosaccharomyces pombe gene cwf29 encoding ist3, also termed cell cycle control protein cwf29, is an RNA-binding protein complexed with cdc5 protein 29. It also contains one RRM. The biological function of RBMX2 remains unclear. It shows high sequence similarity to yeast ist3 protein and harbors one RRM as well. Pssm-ID: 409845 [Multi-domain] Cd Length: 89 Bit Score: 42.96 E-value: 1.13e-04
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| RRM_RBM7 | cd12592 | RNA recognition motif (RRM) found in vertebrate RNA-binding protein 7 (RBM7); This subfamily ... |
2343-2415 | 1.15e-04 | |||||||||
RNA recognition motif (RRM) found in vertebrate RNA-binding protein 7 (RBM7); This subfamily corresponds to the RRM of RBM7, a ubiquitously expressed pre-mRNA splicing factor that enhances messenger RNA (mRNA) splicing in a cell-specific manner or in a certain developmental process, such as spermatogenesis. RBM7 interacts with splicing factors SAP145 (the spliceosomal splicing factor 3b subunit 2) and SRp20. It may play a more specific role in meiosis entry and progression. Together with additional testis-specific RNA-binding proteins, RBM7 may regulate the splicing of specific pre-mRNA species that are important in the meiotic cell cycle. RBM7 contains an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a region lacking known homology at the C-terminus. Pssm-ID: 410005 [Multi-domain] Cd Length: 75 Bit Score: 42.51 E-value: 1.15e-04
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| RRM1_FCA | cd12633 | RNA recognition motif 1 (RRM1) found in plant flowering time control protein FCA and similar ... |
2344-2390 | 1.16e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in plant flowering time control protein FCA and similar proteins; This subgroup corresponds to the RRM1 of FCA, a gene controlling flowering time in Arabidopsis, encoding a flowering time control protein that functions in the posttranscriptional regulation of transcripts involved in the flowering process. FCA contains two RNA recognition motifs (RRMs), also known as RBDs (RNA binding domains) or RNP (ribonucleoprotein domains), and a WW protein interaction domain. Pssm-ID: 241077 [Multi-domain] Cd Length: 80 Bit Score: 42.64 E-value: 1.16e-04
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| Cas3_I-D | cd09710 | CRISPR/Cas system-associated protein Cas3; Distinct diverged subfamily of Cas3 helicase domain; ... |
968-1102 | 1.23e-04 | |||||||||
CRISPR/Cas system-associated protein Cas3; Distinct diverged subfamily of Cas3 helicase domain; CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) and associated Cas proteins comprise a system for heritable host defense by prokaryotic cells against phage and other foreign DNA; Diverged DNA helicase Cas3'; signature gene for Type I and subtype I-D Pssm-ID: 187841 [Multi-domain] Cd Length: 353 Bit Score: 46.79 E-value: 1.23e-04
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| RRM_TRA2 | cd12363 | RNA recognition motif (RRM) found in transformer-2 protein homolog TRA2-alpha, TRA2-beta and ... |
2354-2418 | 1.28e-04 | |||||||||
RNA recognition motif (RRM) found in transformer-2 protein homolog TRA2-alpha, TRA2-beta and similar proteins; This subfamily corresponds to the RRM of two mammalian homologs of Drosophila transformer-2 (Tra2), TRA2-alpha, TRA2-beta (also termed SFRS10), and similar proteins found in eukaryotes. TRA2-alpha is a 40-kDa serine/arginine-rich (SR) protein that specifically binds to gonadotropin-releasing hormone (GnRH) exonic splicing enhancer on exon 4 (ESE4) and is necessary for enhanced GnRH pre-mRNA splicing. It strongly stimulates GnRH intron A excision in a dose-dependent manner. In addition, TRA2-alpha can interact with either 9G8 or SRp30c, which may also be crucial for ESE-dependent GnRH pre-mRNA splicing. TRA2-beta is a serine/arginine-rich (SR) protein that controls the pre-mRNA alternative splicing of the calcitonin/calcitonin gene-related peptide (CGRP), the survival motor neuron 1 (SMN1) protein and the tau protein. Both, TRA2-alpha and TRA2-beta, contains a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), flanked by the N- and C-terminal arginine/serine (RS)-rich regions. Pssm-ID: 409798 [Multi-domain] Cd Length: 80 Bit Score: 42.60 E-value: 1.28e-04
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| RRM1_hnRNPD_like | cd12575 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein hnRNP D0, ... |
2344-2390 | 1.29e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein hnRNP D0, hnRNP A/B, hnRNP DL and similar proteins; This subfamily corresponds to the RRM1 in hnRNP D0, hnRNP A/B, hnRNP DL and similar proteins. hnRNP D0 is a UUAG-specific nuclear RNA binding protein that may be involved in pre-mRNA splicing and telomere elongation. hnRNP A/B is an RNA unwinding protein with a high affinity for G- followed by U-rich regions. hnRNP A/B has also been identified as an APOBEC1-binding protein that interacts with apolipoprotein B (apoB) mRNA transcripts around the editing site and thus plays an important role in apoB mRNA editing. hnRNP DL (or hnRNP D-like) is a dual functional protein that possesses DNA- and RNA-binding properties. It has been implicated in mRNA biogenesis at the transcriptional and post-transcriptional levels. All members in this family contain two putative RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glycine- and tyrosine-rich C-terminus. Pssm-ID: 409989 [Multi-domain] Cd Length: 72 Bit Score: 42.55 E-value: 1.29e-04
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| U2AF_lg | TIGR01642 | U2 snRNP auxilliary factor, large subunit, splicing factor; These splicing factors consist of ... |
2320-2501 | 1.54e-04 | |||||||||
U2 snRNP auxilliary factor, large subunit, splicing factor; These splicing factors consist of an N-terminal arginine-rich low complexity domain followed by three tandem RNA recognition motifs (pfam00076). The well-characterized members of this family are auxilliary components of the U2 small nuclear ribonuclearprotein splicing factor (U2AF). These proteins are closely related to the CC1-like subfamily of splicing factors (TIGR01622). Members of this subfamily are found in plants, metazoa and fungi. Pssm-ID: 273727 [Multi-domain] Cd Length: 509 Bit Score: 47.20 E-value: 1.54e-04
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| DEADc_DDX56 | cd17961 | DEAD-box helicase domain of DEAD box protein 56; DDX56 is a helicase required for assembly of ... |
969-1098 | 1.57e-04 | |||||||||
DEAD-box helicase domain of DEAD box protein 56; DDX56 is a helicase required for assembly of infectious West Nile virus particles. New research suggests that DDX56 relocalizes to the site of virus assembly during WNV infection and that its interaction with WNV capsid in the cytoplasm may occur transiently during virion morphogenesis. DDX56 is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350719 [Multi-domain] Cd Length: 206 Bit Score: 45.27 E-value: 1.57e-04
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| RRM1_hnRNPH_GRSF1_like | cd12503 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein (hnRNP) H ... |
2349-2390 | 1.60e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein (hnRNP) H protein family, G-rich sequence factor 1 (GRSF-1) and similar proteins; This subfamily corresponds to the RRM1 of hnRNP H proteins and GRSF-1. The hnRNP H protein family includes hnRNP H (also termed mcs94-1), hnRNP H2 (also termed FTP-3 or hnRNP H'), hnRNP F and hnRNP H3 (also termed hnRNP 2H9), which represent a group of nuclear RNA binding proteins that are involved in pre-mRNA processing. These proteins have similar RNA binding affinities and specifically recognize the sequence GGGA. They can either stimulate or repress splicing upon binding to a GGG motif. hnRNP H binds to the RNA substrate in the presence or absence of these proteins, whereas hnRNP F binds to the nuclear mRNA only in the presence of cap-binding proteins. hnRNP H and hnRNP H2 are almost identical; both have been found to bind nuclear-matrix proteins. hnRNP H activates exon inclusion by binding G-rich intronic elements downstream of the 5' splice site in the transcripts of c-src, human immunodeficiency virus type 1 (HIV-1), Bcl-X, GRIN1, and myelin. It silences exons when bound to exonic elements in the transcripts of beta-tropomyosin, HIV-1, and alpha-tropomyosin. hnRNP H2 has been implicated in pre-mRNA 3' end formation. hnRNP H3 may be involved in splicing arrest induced by heat shock. Most family members contain three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), except for hnRNP H3, in which the RRM1 is absent. RRM1 and RRM2 are responsible for the binding to the RNA at DGGGD motifs, and play an important role in efficiently silencing the exon. Members in this family can regulate the alternative splicing of fibroblast growth factor receptor 2 (FGFR2) transcripts, and function as silencers of FGFR2 exon IIIc through an interaction with the exonic GGG motifs. The lack of RRM1 could account for the reduced silencing activity within hnRNP H3. Members in this family have an extensive glycine-rich region near the C-terminus, which may allow them to homo- or heterodimerize. They also include a cytoplasmic poly(A)+ mRNA binding protein, GRSF-1, which interacts with RNA in a G-rich element-dependent manner. They may function in RNA packaging, stabilization of RNA secondary structure, or other macromolecular interactions. GRSF-1 contains three potential RRMs responsible for the RNA binding, and two auxiliary domains (an acidic alpha-helical domain and an N-terminal alanine-rich region) that may play a role in protein-protein interactions and provide binding specificity. Pssm-ID: 409926 [Multi-domain] Cd Length: 77 Bit Score: 42.38 E-value: 1.60e-04
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| RRM_THOC4 | cd12680 | RNA recognition motif (RRM) found in THO complex subunit 4 (THOC4) and similar proteins; This ... |
2342-2390 | 1.70e-04 | |||||||||
RNA recognition motif (RRM) found in THO complex subunit 4 (THOC4) and similar proteins; This subgroup corresponds to the RRM of THOC4, also termed transcriptional coactivator Aly/REF, or ally of AML-1 and LEF-1, or bZIP-enhancing factor BEF, an mRNA transporter protein with a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). It is involved in RNA transportation from the nucleus. THOC4 was initially identified as a transcription coactivator of LEF-1 and AML-1 for the TCRalpha enhancer function. In addition, THOC4 specifically binds to rhesus (RH) promoter in erythroid. It might be a novel transcription cofactor for erythroid-specific genes. Pssm-ID: 410081 [Multi-domain] Cd Length: 75 Bit Score: 42.22 E-value: 1.70e-04
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| RRM1_RRM2_RBM5_like | cd12313 | RNA recognition motif 1 (RRM1) and 2 (RRM2) found in RNA-binding protein 5 (RBM5) and similar ... |
2341-2390 | 1.71e-04 | |||||||||
RNA recognition motif 1 (RRM1) and 2 (RRM2) found in RNA-binding protein 5 (RBM5) and similar proteins; This subfamily includes the RRM1 and RRM2 of RNA-binding protein 5 (RBM5 or LUCA15 or H37) and RNA-binding protein 10 (RBM10 or S1-1), and the RRM2 of RNA-binding protein 6 (RBM6 or NY-LU-12 or g16 or DEF-3). These RBMs share high sequence homology and may play an important role in regulating apoptosis. RBM5 is a known modulator of apoptosis. It may also act as a tumor suppressor or an RNA splicing factor. RBM6 has been predicted to be a nuclear factor based on its nuclear localization signal. Both, RBM6 and RBM5, specifically bind poly(G) RNA. RBM10 is a paralog of RBM5. It may play an important role in mRNA generation, processing and degradation in several cell types. The rat homolog of human RBM10 is protein S1-1, a hypothetical RNA binding protein with poly(G) and poly(U) binding capabilities. All family members contain two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), two C2H2-type zinc fingers, and a G-patch/D111 domain. Pssm-ID: 409752 [Multi-domain] Cd Length: 85 Bit Score: 42.25 E-value: 1.71e-04
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| RRM6_RBM19_RRM5_MRD1 | cd12320 | RNA recognition motif 6 (RRM6) found in RNA-binding protein 19 (RBM19 or RBD-1) and RNA ... |
2342-2416 | 1.74e-04 | |||||||||
RNA recognition motif 6 (RRM6) found in RNA-binding protein 19 (RBM19 or RBD-1) and RNA recognition motif 5 (RRM5) found in multiple RNA-binding domain-containing protein 1 (MRD1); This subfamily corresponds to the RRM6 of RBM19 and RRM5 of MRD1. RBM19, also termed RNA-binding domain-1 (RBD-1), is a nucleolar protein conserved in eukaryotes. It is involved in ribosome biogenesis by processing rRNA and is essential for preimplantation development. It has a unique domain organization containing 6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). MRD1 is encoded by a novel yeast gene MRD1 (multiple RNA-binding domain). It is well-conserved in yeast and its homologs exist in all eukaryotes. MRD1 is present in the nucleolus and the nucleoplasm. It interacts with the 35 S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). It is essential for the initial processing at the A0-A2 cleavage sites in the 35 S pre-rRNA. MRD1 contains 5 conserved RRMs, which may play an important structural role in organizing specific rRNA processing events. Pssm-ID: 409759 [Multi-domain] Cd Length: 76 Bit Score: 42.22 E-value: 1.74e-04
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| RRM1_SF3B4 | cd12334 | RNA recognition motif 1 (RRM1) found in splicing factor 3B subunit 4 (SF3B4) and similar ... |
2455-2511 | 1.93e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in splicing factor 3B subunit 4 (SF3B4) and similar proteins; This subfamily corresponds to the RRM1 of SF3B4, also termed pre-mRNA-splicing factor SF3b 49 kDa (SF3b50), or spliceosome-associated protein 49 (SAP 49). SF3B4 a component of the multiprotein complex splicing factor 3b (SF3B), an integral part of the U2 small nuclear ribonucleoprotein (snRNP) and the U11/U12 di-snRNP. SF3B is essential for the accurate excision of introns from pre-messenger RNA, and is involved in the recognition of the pre-mRNA's branch site within the major and minor spliceosomes. SF3B4 functions to tether U2 snRNP with pre-mRNA at the branch site during spliceosome assembly. It is an evolutionarily highly conserved protein with orthologs across diverse species. SF3B4 contains two closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It binds directly to pre-mRNA and also interacts directly and highly specifically with another SF3B subunit called SAP 145. Pssm-ID: 409771 [Multi-domain] Cd Length: 74 Bit Score: 41.82 E-value: 1.93e-04
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| RRM2_hnRNPAB | cd12584 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A/B (hnRNP A/B) ... |
2437-2492 | 1.97e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A/B (hnRNP A/B) and similar proteins; This subgroup corresponds to the RRM2 of hnRNP A/B, also termed APOBEC1-binding protein 1 (ABBP-1), an RNA unwinding protein with a high affinity for G- followed by U-rich regions. hnRNP A/B has also been identified as an APOBEC1-binding protein that interacts with apolipoprotein B (apoB) mRNA transcripts around the editing site and thus plays an important role in apoB mRNA editing. hnRNP A/B contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), followed by a long C-terminal glycine-rich domain that contains a potential ATP/GTP binding loop. Pssm-ID: 409997 [Multi-domain] Cd Length: 80 Bit Score: 42.24 E-value: 1.97e-04
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| RRM1_Crp79 | cd21619 | RNA recognition motif 1 (RRM1) found in Schizosaccharomyces pombe mRNA export factor Crp79 and ... |
2341-2413 | 2.28e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in Schizosaccharomyces pombe mRNA export factor Crp79 and similar proteins; Crp79, also called meiotic expression up-regulated protein 5 (Mug5), or polyadenylate-binding protein crp79, or PABP, or poly(A)-binding protein, is an auxiliary mRNA export factor that binds the poly(A) tail of mRNA and is involved in the export of mRNA from the nucleus to the cytoplasm. Members in this family contain three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the first RRM motif. Pssm-ID: 410198 [Multi-domain] Cd Length: 78 Bit Score: 41.74 E-value: 2.28e-04
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| RRM_RBMX_like | cd12382 | RNA recognition motif (RRM) found in heterogeneous nuclear ribonucleoprotein G (hnRNP G), Y ... |
2344-2416 | 2.74e-04 | |||||||||
RNA recognition motif (RRM) found in heterogeneous nuclear ribonucleoprotein G (hnRNP G), Y chromosome RNA recognition motif 1 (hRBMY), testis-specific heterogeneous nuclear ribonucleoprotein G-T (hnRNP G-T) and similar proteins; This subfamily corresponds to the RRM domain of hnRNP G, also termed glycoprotein p43 or RBMX, an RNA-binding motif protein located on the X chromosome. It is expressed ubiquitously and has been implicated in the splicing control of several pre-mRNAs. Moreover, hnRNP G may function as a regulator of transcription for SREBP-1c and GnRH1. Research has shown that hnRNP G may also act as a tumor-suppressor since it upregulates the Txnip gene and promotes the fidelity of DNA end-joining activity. In addition, hnRNP G appears to play a critical role in proper neural development of zebrafish and frog embryos. The family also includes several paralogs of hnRNP G, such as hRBMY and hnRNP G-T (also termed RNA-binding motif protein, X-linked-like-2). Both, hRBMY and hnRNP G-T, are exclusively expressed in testis and critical for male fertility. Like hnRNP G, hRBMY and hnRNP G-T interact with factors implicated in the regulation of pre-mRNA splicing, such as hTra2-beta1 and T-STAR. Although members in this family share a high conserved N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), they appear to recognize different RNA targets. For instance, hRBMY interacts specifically with a stem-loop structure in which the loop is formed by the sequence CA/UCAA. In contrast, hnRNP G associates with single stranded RNA sequences containing a CCA/C motif. In addition to the RRM, hnRNP G contains a nascent transcripts targeting domain (NTD) in the middle region and a novel auxiliary RNA-binding domain (RBD) in its C-terminal region. The C-terminal RBD exhibits distinct RNA binding specificity, and would play a critical role in the regulation of alternative splicing by hnRNP G. Pssm-ID: 409816 [Multi-domain] Cd Length: 80 Bit Score: 41.62 E-value: 2.74e-04
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| RRM1_hnRNPD | cd12756 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein D0 (hnRNP D0) ... |
2344-2390 | 2.82e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein D0 (hnRNP D0) and similar proteins; This subgroup corresponds to the RRM1 of hnRNP D0, also termed AU-rich element RNA-binding protein 1, which is a UUAG-specific nuclear RNA binding protein that may be involved in pre-mRNA splicing and telomere elongation. hnRNP D0 contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), in the middle and an RGG box rich in glycine and arginine residues in the C-terminal part. Each of RRMs can bind solely to the UUAG sequence specifically. Pssm-ID: 410150 [Multi-domain] Cd Length: 74 Bit Score: 41.52 E-value: 2.82e-04
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| RRM1_hnRPDL | cd12758 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein D-like (hnRNP ... |
2344-2411 | 2.93e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein D-like (hnRNP D-like or hnRNP DL) and similar proteins; This subgroup corresponds to the RRM1 of hnRNP DL (or hnRNP D-like), also termed AU-rich element RNA-binding factor, or JKT41-binding protein (protein laAUF1 or JKTBP), which is a dual functional protein that possesses DNA- and RNA-binding properties. It has been implicated in mRNA biogenesis at the transcriptional and post-transcriptional levels. hnRNP DL binds single-stranded DNA (ssDNA) or double-stranded DNA (dsDNA) in a non-sequencespecific manner, and interacts with poly(G) and poly(A) tenaciously. It contains two putative two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glycine- and tyrosine-rich C-terminus. Pssm-ID: 410152 [Multi-domain] Cd Length: 76 Bit Score: 41.50 E-value: 2.93e-04
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| RRM3_TIA1_like | cd12354 | RNA recognition motif 2 (RRM2) found in granule-associated RNA binding proteins (p40-TIA-1 and ... |
2342-2414 | 3.08e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in granule-associated RNA binding proteins (p40-TIA-1 and TIAR), and yeast nuclear and cytoplasmic polyadenylated RNA-binding protein PUB1; This subfamily corresponds to the RRM3 of TIA-1, TIAR, and PUB1. Nucleolysin TIA-1 isoform p40 (p40-TIA-1 or TIA-1) and nucleolysin TIA-1-related protein (TIAR) are granule-associated RNA binding proteins involved in inducing apoptosis in cytotoxic lymphocyte (CTL) target cells. They share high sequence similarity and are expressed in a wide variety of cell types. TIA-1 can be phosphorylated by a serine/threonine kinase that is activated during Fas-mediated apoptosis.TIAR is mainly localized in the nucleus of hematopoietic and nonhematopoietic cells. It is translocated from the nucleus to the cytoplasm in response to exogenous triggers of apoptosis. Both TIA-1 and TIAR bind specifically to poly(A) but not to poly(C) homopolymers. They are composed of three N-terminal highly homologous RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glutamine-rich C-terminal auxiliary domain containing a lysosome-targeting motif. TIA-1 and TIAR interact with RNAs containing short stretches of uridylates and their RRM2 can mediate the specific binding to uridylate-rich RNAs. The C-terminal auxiliary domain may be responsible for interacting with other proteins. In addition, TIA-1 and TIAR share a potential serine protease-cleavage site (Phe-Val-Arg) localized at the junction between their RNA binding domains and their C-terminal auxiliary domains. This subfamily also includes a yeast nuclear and cytoplasmic polyadenylated RNA-binding protein PUB1, termed ARS consensus-binding protein ACBP-60, or poly uridylate-binding protein, or poly(U)-binding protein, which has been identified as both a heterogeneous nuclear RNA-binding protein (hnRNP) and a cytoplasmic mRNA-binding protein (mRNP). It may be stably bound to a translationally inactive subpopulation of mRNAs within the cytoplasm. PUB1 is distributed in both, the nucleus and the cytoplasm, and binds to poly(A)+ RNA (mRNA or pre-mRNA). Although it is one of the major cellular proteins cross-linked by UV light to polyadenylated RNAs in vivo, PUB1 is nonessential for cell growth in yeast. PUB1 also binds to T-rich single stranded DNA (ssDNA); however, there is no strong evidence implicating PUB1 in the mechanism of DNA replication. PUB1 contains three RRMs, and a GAR motif (glycine and arginine rich stretch) that is located between RRM2 and RRM3. Pssm-ID: 409790 [Multi-domain] Cd Length: 71 Bit Score: 41.11 E-value: 3.08e-04
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| RRM_SNP1_like | cd21615 | RNA recognition motif (RRM) found in Saccharomyces cerevisiae U1 small nuclear ... |
2436-2502 | 3.24e-04 | |||||||||
RNA recognition motif (RRM) found in Saccharomyces cerevisiae U1 small nuclear ribonucleoprotein SNP1 and similar proteins; SNP1, also called U1 snRNP protein SNP1, or U1 small nuclear ribonucleoprotein 70 kDa homolog, or U1 70K, or U1 snRNP 70 kDa homolog, interacts with mRNA and is involved in nuclear mRNA splicing. It is a component of the spliceosome, where it is associated with snRNP U1 by binding stem loop I of U1 snRNA. Members in this family contain an N-terminal U1snRNP70 domain and an RNA recognition motif (RRM), also called RBD (RNA binding domain) or RNP (ribonucleoprotein domain). Pssm-ID: 410194 [Multi-domain] Cd Length: 118 Bit Score: 42.68 E-value: 3.24e-04
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| RRM1_2_CELF1-6_like | cd12361 | RNA recognition motif 1 (RRM1) and 2 (RRM2) found in CELF/Bruno-like family of RNA binding ... |
2345-2390 | 3.50e-04 | |||||||||
RNA recognition motif 1 (RRM1) and 2 (RRM2) found in CELF/Bruno-like family of RNA binding proteins and plant flowering time control protein FCA; This subfamily corresponds to the RRM1 and RRM2 domains of the CUGBP1 and ETR-3-like factors (CELF) as well as plant flowering time control protein FCA. CELF, also termed BRUNOL (Bruno-like) proteins, is a family of structurally related RNA-binding proteins involved in regulation of pre-mRNA splicing in the nucleus, and control of mRNA translation and deadenylation in the cytoplasm. The family contains six members: CELF-1 (also known as BRUNOL-2, CUG-BP1, NAPOR, EDEN-BP), CELF-2 (also known as BRUNOL-3, ETR-3, CUG-BP2, NAPOR-2), CELF-3 (also known as BRUNOL-1, TNRC4, ETR-1, CAGH4, ER DA4), CELF-4 (BRUNOL-4), CELF-5 (BRUNOL-5) and CELF-6 (BRUNOL-6). They all contain three highly conserved RNA recognition motifs (RRMs), also known as RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains): two consecutive RRMs (RRM1 and RRM2) situated in the N-terminal region followed by a linker region and the third RRM (RRM3) close to the C-terminus of the protein. The low sequence conservation of the linker region is highly suggestive of a large variety in the co-factors that associate with the various CELF family members. Based on both, sequence similarity and function, the CELF family can be divided into two subfamilies, the first containing CELFs 1 and 2, and the second containing CELFs 3, 4, 5, and 6. The different CELF proteins may act through different sites on at least some substrates. Furthermore, CELF proteins may interact with each other in varying combinations to influence alternative splicing in different contexts. This subfamily also includes plant flowering time control protein FCA that functions in the posttranscriptional regulation of transcripts involved in the flowering process. FCA contains two RRMs, and a WW protein interaction domain. Pssm-ID: 409796 [Multi-domain] Cd Length: 77 Bit Score: 41.45 E-value: 3.50e-04
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| RRM_TRA2B | cd12641 | RNA recognition motif (RRM) found in Transformer-2 protein homolog beta (TRA-2 beta) and ... |
2354-2418 | 3.50e-04 | |||||||||
RNA recognition motif (RRM) found in Transformer-2 protein homolog beta (TRA-2 beta) and similar proteins; This subgroup corresponds to the RRM of TRA2-beta or TRA-2-beta, also termed splicing factor, arginine/serine-rich 10 (SFRS10), or transformer-2 protein homolog B, a mammalian homolog of Drosophila transformer-2 (Tra2). TRA2-beta is a serine/arginine-rich (SR) protein that controls the pre-mRNA alternative splicing of the calcitonin/calcitonin gene-related peptide (CGRP), the survival motor neuron 1 (SMN1) protein and the tau protein. It contains a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), flanked by the N- and C-terminal arginine/serine (RS)-rich regions. TRA2-beta specifically binds to two types of RNA sequences, the CAA and (GAA)2 sequences, through the RRMs in different RNA binding modes. Pssm-ID: 410046 [Multi-domain] Cd Length: 87 Bit Score: 41.53 E-value: 3.50e-04
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| RRM2_FCA | cd12637 | RNA recognition motif 2 (RRM2) found in plant flowering time control protein FCA and similar ... |
2345-2410 | 3.61e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in plant flowering time control protein FCA and similar proteins; This subgroup corresponds to the RRM2 of FCA, a gene controlling flowering time in Arabidopsis, which encodes a flowering time control protein that functions in the posttranscriptional regulation of transcripts involved in the flowering process. The flowering time control protein FCA contains two RNA recognition motifs (RRMs), also known as RBDs (RNA binding domains) or RNP (ribonucleoprotein domains), and a WW protein interaction domain. Pssm-ID: 410045 [Multi-domain] Cd Length: 81 Bit Score: 41.21 E-value: 3.61e-04
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| RRM2_Hu | cd12652 | RNA recognition motif 2 (RRM2) found in the Hu proteins family; This subfamily corresponds to ... |
2345-2390 | 3.75e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in the Hu proteins family; This subfamily corresponds to the RRM2 of Hu proteins family which represents a group of RNA-binding proteins involved in diverse biological processes. Since the Hu proteins share high homology with the Drosophila embryonic lethal abnormal vision (ELAV) protein, the Hu family is sometimes referred to as the ELAV family. Drosophila ELAV is exclusively expressed in neurons and is required for the correct differentiation and survival of neurons in flies. The neuronal members of the Hu family include Hu-antigen B (HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3 or PLE21), and Hu-antigen D (HuD or ELAV-4), which play important roles in neuronal differentiation, plasticity and memory. HuB is also expressed in gonads. Hu-antigen R (HuR or ELAV-1 or HuA) is the ubiquitously expressed Hu family member. It has a variety of biological functions mostly related to the regulation of cellular response to DNA damage and other types of stress. Moreover, HuR has an anti-apoptotic function during early cell stress response. It binds to mRNAs and enhances the expression of several anti-apoptotic proteins, such as p21waf1, p53, and prothymosin alpha. HuR also has pro-apoptotic function by promoting apoptosis when cell death is unavoidable. Furthermore, HuR may be important in muscle differentiation, adipogenesis, suppression of inflammatory response and modulation of gene expression in response to chronic ethanol exposure and amino acid starvation. Hu proteins perform their cytoplasmic and nuclear molecular functions by coordinately regulating functionally related mRNAs. In the cytoplasm, Hu proteins recognize and bind to AU-rich RNA elements (AREs) in the 3' untranslated regions (UTRs) of certain target mRNAs, such as GAP-43, vascular epithelial growth factor (VEGF), the glucose transporter GLUT1, eotaxin and c-fos, and stabilize those ARE-containing mRNAs. They also bind and regulate the translation of some target mRNAs, such as neurofilament M, GLUT1, and p27. In the nucleus, Hu proteins function as regulators of polyadenylation and alternative splicing. Each Hu protein contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). RRM1 and RRM2 may cooperate in binding to an ARE. RRM3 may help to maintain the stability of the RNA-protein complex, and might also bind to poly(A) tails or be involved in protein-protein interactions. Pssm-ID: 410055 [Multi-domain] Cd Length: 79 Bit Score: 41.16 E-value: 3.75e-04
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| SSL2 | COG1061 | Superfamily II DNA or RNA helicase [Transcription, Replication, recombination, and repair]; |
921-1100 | 3.76e-04 | |||||||||
Superfamily II DNA or RNA helicase [Transcription, Replication, recombination, and repair]; Pssm-ID: 440681 [Multi-domain] Cd Length: 566 Bit Score: 45.79 E-value: 3.76e-04
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| PRK02362 | PRK02362 | ATP-dependent DNA helicase; |
948-1005 | 3.85e-04 | |||||||||
ATP-dependent DNA helicase; Pssm-ID: 235032 [Multi-domain] Cd Length: 737 Bit Score: 46.10 E-value: 3.85e-04
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| RRM2_MRD1 | cd12566 | RNA recognition motif 2 (RRM2) found in yeast multiple RNA-binding domain-containing protein 1 ... |
2449-2501 | 3.88e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast multiple RNA-binding domain-containing protein 1 (MRD1) and similar proteins; This subgroup corresponds to the RRM2 of MRD1 which is encoded by a novel yeast gene MRD1 (multiple RNA-binding domain). It is well-conserved in yeast and its homologs exist in all eukaryotes. MRD1 is present in the nucleolus and the nucleoplasm. It interacts with the 35 S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). It is essential for the initial processing at the A0-A2 cleavage sites in the 35 S pre-rRNA. MRD1 contains 5 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which may play an important structural role in organizing specific rRNA processing events. Pssm-ID: 409982 [Multi-domain] Cd Length: 79 Bit Score: 41.25 E-value: 3.88e-04
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| RRM2_Prp24 | cd12297 | RNA recognition motif 2 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar ... |
2435-2508 | 4.04e-04 | |||||||||
RNA recognition motif 2 in fungal pre-messenger RNA splicing protein 24 (Prp24) and similar proteins; This subfamily corresponds to the RRM2 of Prp24, also termed U4/U6 snRNA-associated-splicing factor PRP24 (U4/U6 snRNP), an RNA-binding protein with four well conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). It facilitates U6 RNA base-pairing with U4 RNA during spliceosome assembly. Prp24 specifically binds free U6 RNA primarily with RRMs 1 and 2 and facilitates pairing of U6 RNA bases with U4 RNA bases. Additionally, it may also be involved in dissociation of the U4/U6 complex during spliceosome activation. Pssm-ID: 409738 [Multi-domain] Cd Length: 78 Bit Score: 41.21 E-value: 4.04e-04
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| RRM_RBM25 | cd12446 | RNA recognition motif (RRM) found in eukaryotic RNA-binding protein 25 and similar proteins; ... |
2342-2390 | 4.23e-04 | |||||||||
RNA recognition motif (RRM) found in eukaryotic RNA-binding protein 25 and similar proteins; This subfamily corresponds to the RRM of RBM25, also termed Arg/Glu/Asp-rich protein of 120 kDa (RED120), or protein S164, or RNA-binding region-containing protein 7, an evolutionary-conserved splicing coactivator SRm160 (SR-related nuclear matrix protein of 160 kDa, )-interacting protein. RBM25 belongs to a family of RNA-binding proteins containing a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), at the N-terminus, a RE/RD-rich (ER) central region, and a C-terminal proline-tryptophan-isoleucine (PWI) motif. It localizes to the nuclear speckles and associates with multiple splicing components, including splicing cofactors SRm160/300, U snRNAs, assembled splicing complexes, and spliced mRNAs. It may play an important role in pre-mRNA processing by coupling splicing with mRNA 3'-end formation. Additional research indicates that RBM25 is one of the RNA-binding regulators that direct the alternative splicing of apoptotic factors. It can activate proapoptotic Bcl-xS 5'ss by binding to the exonic splicing enhancer, CGGGCA, and stabilize the pre-mRNA-U1 snRNP through interaction with hLuc7A, a U1 snRNP-associated factor. Pssm-ID: 409880 [Multi-domain] Cd Length: 83 Bit Score: 41.36 E-value: 4.23e-04
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| RRM_SRSF2_SRSF8 | cd12311 | RNA recognition motif (RRM) found in serine/arginine-rich splicing factor SRSF2, SRSF8 and ... |
2346-2390 | 4.66e-04 | |||||||||
RNA recognition motif (RRM) found in serine/arginine-rich splicing factor SRSF2, SRSF8 and similar proteins; This subfamily corresponds to the RRM of SRSF2 and SRSF8. SRSF2, also termed protein PR264, or splicing component, 35 kDa (splicing factor SC35 or SC-35), is a prototypical SR protein that plays important roles in the alternative splicing of pre-mRNA. It is also involved in transcription elongation by directly or indirectly mediating the recruitment of elongation factors to the C-terminal domain of polymerase II. SRSF2 is exclusively localized in the nucleus and is restricted to nuclear processes. It contains a single N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), followed by a C-terminal RS domain rich in serine-arginine dipeptides. The RRM is responsible for the specific recognition of 5'-SSNG-3' (S=C/G) RNA. In the regulation of alternative splicing events, it specifically binds to cis-regulatory elements on the pre-mRNA. The RS domain modulates SRSF2 activity through phosphorylation, directly contacts RNA, and promotes protein-protein interactions with the spliceosome. SRSF8, also termed SRP46 or SFRS2B, is a novel mammalian SR splicing factor encoded by a PR264/SC35 functional retropseudogene. SRSF8 is localized in the nucleus and does not display the same activity as PR264/SC35. It functions as an essential splicing factor in complementing a HeLa cell S100 extract deficient in SR proteins. Like SRSF2, SRSF8 contains a single N-terminal RRM and a C-terminal RS domain. Pssm-ID: 409751 [Multi-domain] Cd Length: 73 Bit Score: 40.71 E-value: 4.66e-04
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| DEADc_DDX10 | cd17941 | DEAD-box helicase domain of DEAD box protein 10; Fusion of the DDX10 gene and the nucleoporin ... |
953-1029 | 4.91e-04 | |||||||||
DEAD-box helicase domain of DEAD box protein 10; Fusion of the DDX10 gene and the nucleoporin gene, NUP98, by inversion 11 (p15q22) chromosome translocation is found in the patients with de novo or therapy-related myeloid malignancies. Diseases associated with DDX10 (also known as DDX10-NUP98 Fusion Protein Type 2) include myelodysplastic syndrome and leukemia, acute myeloid. DDX10 is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350699 [Multi-domain] Cd Length: 198 Bit Score: 43.82 E-value: 4.91e-04
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| DEXHc_RecQ5 | cd18014 | DEAH-box helicase domain of RecQ5; ATP-dependent DNA helicase Q5 (RecQ5) is part of the RecQ ... |
969-1100 | 5.14e-04 | |||||||||
DEAH-box helicase domain of RecQ5; ATP-dependent DNA helicase Q5 (RecQ5) is part of the RecQ family of highly conserved DNA repair helicases that is part of the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Pssm-ID: 350772 [Multi-domain] Cd Length: 205 Bit Score: 43.61 E-value: 5.14e-04
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| RRM2_hnRNPD_like | cd12329 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein hnRNP D0, ... |
2344-2390 | 5.16e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein hnRNP D0, hnRNP A/B, hnRNP DL and similar proteins; This subfamily corresponds to the RRM2 of hnRNP D0, hnRNP A/B, hnRNP DL and similar proteins. hnRNP D0, a UUAG-specific nuclear RNA binding protein that may be involved in pre-mRNA splicing and telomere elongation. hnRNP A/B is an RNA unwinding protein with a high affinity for G- followed by U-rich regions. It has also been identified as an APOBEC1-binding protein that interacts with apolipoprotein B (apoB) mRNA transcripts around the editing site and thus plays an important role in apoB mRNA editing. hnRNP DL (or hnRNP D-like) is a dual functional protein that possesses DNA- and RNA-binding properties. It has been implicated in mRNA biogenesis at the transcriptional and post-transcriptional levels. All memembers in this family contain two putative RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glycine- and tyrosine-rich C-terminus. Pssm-ID: 240775 [Multi-domain] Cd Length: 75 Bit Score: 40.81 E-value: 5.16e-04
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| RRM_TRA2 | cd12363 | RNA recognition motif (RRM) found in transformer-2 protein homolog TRA2-alpha, TRA2-beta and ... |
2437-2515 | 5.40e-04 | |||||||||
RNA recognition motif (RRM) found in transformer-2 protein homolog TRA2-alpha, TRA2-beta and similar proteins; This subfamily corresponds to the RRM of two mammalian homologs of Drosophila transformer-2 (Tra2), TRA2-alpha, TRA2-beta (also termed SFRS10), and similar proteins found in eukaryotes. TRA2-alpha is a 40-kDa serine/arginine-rich (SR) protein that specifically binds to gonadotropin-releasing hormone (GnRH) exonic splicing enhancer on exon 4 (ESE4) and is necessary for enhanced GnRH pre-mRNA splicing. It strongly stimulates GnRH intron A excision in a dose-dependent manner. In addition, TRA2-alpha can interact with either 9G8 or SRp30c, which may also be crucial for ESE-dependent GnRH pre-mRNA splicing. TRA2-beta is a serine/arginine-rich (SR) protein that controls the pre-mRNA alternative splicing of the calcitonin/calcitonin gene-related peptide (CGRP), the survival motor neuron 1 (SMN1) protein and the tau protein. Both, TRA2-alpha and TRA2-beta, contains a well conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), flanked by the N- and C-terminal arginine/serine (RS)-rich regions. Pssm-ID: 409798 [Multi-domain] Cd Length: 80 Bit Score: 40.68 E-value: 5.40e-04
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| PksD | COG3321 | Acyl transferase domain in polyketide synthase (PKS) enzymes [Secondary metabolites ... |
600-1155 | 5.87e-04 | |||||||||
Acyl transferase domain in polyketide synthase (PKS) enzymes [Secondary metabolites biosynthesis, transport and catabolism]; Pssm-ID: 442550 [Multi-domain] Cd Length: 1386 Bit Score: 45.63 E-value: 5.87e-04
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| RRM2_Hu_like | cd12376 | RNA recognition motif 2 (RRM2) found in the Hu proteins family, Drosophila sex-lethal (SXL), ... |
2342-2410 | 5.92e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in the Hu proteins family, Drosophila sex-lethal (SXL), and similar proteins; This subfamily corresponds to the RRM2 of Hu proteins and SXL. The Hu proteins family represents a group of RNA-binding proteins involved in diverse biological processes. Since the Hu proteins share high homology with the Drosophila embryonic lethal abnormal vision (ELAV) protein, the Hu family is sometimes referred to as the ELAV family. Drosophila ELAV is exclusively expressed in neurons and is required for the correct differentiation and survival of neurons in flies. The neuronal members of the Hu family include Hu-antigen B (HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3 or PLE21), and Hu-antigen D (HuD or ELAV-4), which play important roles in neuronal differentiation, plasticity and memory. HuB is also expressed in gonads. Hu-antigen R (HuR or ELAV-1 or HuA) is the ubiquitously expressed Hu family member. It has a variety of biological functions mostly related to the regulation of cellular response to DNA damage and other types of stress. Hu proteins perform their cytoplasmic and nuclear molecular functions by coordinately regulating functionally related mRNAs. In the cytoplasm, Hu proteins recognize and bind to AU-rich RNA elements (AREs) in the 3' untranslated regions (UTRs) of certain target mRNAs, such as GAP-43, vascular epithelial growth factor (VEGF), the glucose transporter GLUT1, eotaxin and c-fos, and stabilize those ARE-containing mRNAs. They also bind and regulate the translation of some target mRNAs, such as neurofilament M, GLUT1, and p27. In the nucleus, Hu proteins function as regulators of polyadenylation and alternative splicing. Each Hu protein contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). RRM1 and RRM2 may cooperate in binding to an ARE. RRM3 may help to maintain the stability of the RNA-protein complex, and might also bind to poly(A) tails or be involved in protein-protein interactions. Also included in this subfamily is the sex-lethal protein (SXL) from Drosophila melanogaster. SXL governs sexual differentiation and X chromosome dosage compensation in flies. It induces female-specific alternative splicing of the transformer (tra) pre-mRNA by binding to the tra uridine-rich polypyrimidine tract at the non-sex-specific 3' splice site during the sex-determination process. SXL binds also to its own pre-mRNA and promotes female-specific alternative splicing. SXL contains an N-terminal Gly/Asn-rich domain that may be responsible for the protein-protein interaction, and tandem RRMs that show high preference to bind single-stranded, uridine-rich target RNA transcripts. Pssm-ID: 240822 [Multi-domain] Cd Length: 79 Bit Score: 40.69 E-value: 5.92e-04
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| RRM2_PUB1 | cd12619 | RNA recognition motif 2 (RRM2) found in yeast nuclear and cytoplasmic polyadenylated ... |
2344-2414 | 5.97e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast nuclear and cytoplasmic polyadenylated RNA-binding protein PUB1 and similar proteins; This subgroup corresponds to the RRM2 of yeast protein PUB1, also termed ARS consensus-binding protein ACBP-60, or poly uridylate-binding protein, or poly(U)-binding protein. PUB1 has been identified as both, a heterogeneous nuclear RNA-binding protein (hnRNP) and a cytoplasmic mRNA-binding protein (mRNP), which may be stably bound to a translationally inactive subpopulation of mRNAs within the cytoplasm. It is distributed in both, the nucleus and the cytoplasm, and binds to poly(A)+ RNA (mRNA or pre-mRNA). Although it is one of the major cellular proteins cross-linked by UV light to polyadenylated RNAs in vivo, PUB1 is nonessential for cell growth in yeast. PUB1 also binds to T-rich single stranded DNA (ssDNA). However, there is no strong evidence implicating PUB1 in the mechanism of DNA replication. PUB1 contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a GAR motif (glycine and arginine rich stretch) that is located between RRM2 and RRM3. Pssm-ID: 410031 [Multi-domain] Cd Length: 80 Bit Score: 40.56 E-value: 5.97e-04
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| RRM1_Hu | cd12650 | RNA recognition motif 1 (RRM1) found in the Hu proteins family; This subfamily corresponds to ... |
2342-2416 | 7.17e-04 | |||||||||
RNA recognition motif 1 (RRM1) found in the Hu proteins family; This subfamily corresponds to the RRM1 of the Hu proteins family which represents a group of RNA-binding proteins involved in diverse biological processes. Since the Hu proteins share high homology with the Drosophila embryonic lethal abnormal vision (ELAV) protein, the Hu family is sometimes referred to as the ELAV family. Drosophila ELAV is exclusively expressed in neurons and is required for the correct differentiation and survival of neurons in flies. The neuronal members of the Hu family include Hu-antigen B (HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3 or PLE21), and Hu-antigen D (HuD or ELAV-4), which play important roles in neuronal differentiation, plasticity and memory. HuB is also expressed in gonads. Hu-antigen R (HuR or ELAV-1 or HuA) is the ubiquitously expressed Hu family member. It has a variety of biological functions mostly related to the regulation of cellular response to DNA damage and other types of stress. HuR has an anti-apoptotic function during early cell stress response. It binds to mRNAs and enhances the expression of several anti-apoptotic proteins, such as p21waf1, p53, and prothymosin alpha. HuR also has pro-apoptotic function by promoting apoptosis when cell death is unavoidable. Furthermore, HuR may be important in muscle differentiation, adipogenesis, suppression of inflammatory response and modulation of gene expression in response to chronic ethanol exposure and amino acid starvation. Hu proteins perform their cytoplasmic and nuclear molecular functions by coordinately regulating functionally related mRNAs. In the cytoplasm, Hu proteins recognize and bind to AU-rich RNA elements (AREs) in the 3' untranslated regions (UTRs) of certain target mRNAs, such as GAP-43, vascular epithelial growth factor (VEGF), the glucose transporter GLUT1, eotaxin and c-fos, and stabilize those ARE-containing mRNAs. They also bind and regulate the translation of some target mRNAs, such as neurofilament M, GLUT1, and p27. In the nucleus, Hu proteins function as regulators of polyadenylation and alternative splicing. Each Hu protein contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). RRM1 and RRM2 may cooperate in binding to an ARE. RRM3 may help to maintain the stability of the RNA-protein complex, and might also bind to poly(A) tails or be involved in protein-protein interactions. Pssm-ID: 410053 [Multi-domain] Cd Length: 77 Bit Score: 40.47 E-value: 7.17e-04
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| RRM5_MRD1 | cd12570 | RNA recognition motif 5 (RRM5) found in yeast multiple RNA-binding domain-containing protein 1 ... |
2342-2416 | 7.60e-04 | |||||||||
RNA recognition motif 5 (RRM5) found in yeast multiple RNA-binding domain-containing protein 1 (MRD1) and similar proteins; This subgroup corresponds to the RRM5 of MRD1 which is encoded by a novel yeast gene MRD1 (multiple RNA-binding domain). It is well-conserved in yeast and its homologs exist in all eukaryotes. MRD1 is present in the nucleolus and the nucleoplasm. It interacts with the 35 S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). MRD1 is essential for the initial processing at the A0-A2 cleavage sites in the 35 S pre-rRNA. It contains 5 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which may play an important structural role in organizing specific rRNA processing events. Pssm-ID: 241014 [Multi-domain] Cd Length: 76 Bit Score: 40.18 E-value: 7.60e-04
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| RRM2_HRB1_GBP2 | cd21606 | RNA recognition motif 2 (RRM2) found in Saccharomyces cerevisiae protein HRB1, ... |
2344-2415 | 7.73e-04 | |||||||||
RNA recognition motif 2 (RRM2) found in Saccharomyces cerevisiae protein HRB1, G-strand-binding protein 2 (GBP2) and similar proteins; The family includes Saccharomyces cerevisiae protein HRB1 (also called protein TOM34) and GBP2, both of which are SR-like mRNA-binding proteins which shuttle from the nucleus to the cytoplasm when bound to the mature mRNA molecules. They act as quality control factors for spliced mRNAs. GBP2, also called RAP1 localization factor 6, is a single-strand telomeric DNA-binding protein that binds single-stranded telomeric sequences of the type (TG[1-3])n in vitro. It also binds to RNA. GBP2 influences the localization of RAP1 in the nuclei and plays a role in modulating telomere length. Members in this family contain three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the second RRM motif. Pssm-ID: 410185 [Multi-domain] Cd Length: 75 Bit Score: 40.42 E-value: 7.73e-04
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| RRM5_RBM19_like | cd12318 | RNA recognition motif 5 (RRM5) found in RNA-binding protein 19 (RBM19 or RBD-1) and similar ... |
2435-2503 | 8.33e-04 | |||||||||
RNA recognition motif 5 (RRM5) found in RNA-binding protein 19 (RBM19 or RBD-1) and similar proteins; This subfamily corresponds to the RRM5 of RBM19 and RRM4 of MRD1. RBM19, also termed RNA-binding domain-1 (RBD-1), is a nucleolar protein conserved in eukaryotes involved in ribosome biogenesis by processing rRNA and is essential for preimplantation development. It has a unique domain organization containing 6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409757 [Multi-domain] Cd Length: 80 Bit Score: 40.29 E-value: 8.33e-04
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| RRM_II_PABPN1L | cd12551 | RNA recognition motif in vertebrate type II embryonic polyadenylate-binding protein 2 (ePABP-2) ... |
2459-2511 | 8.97e-04 | |||||||||
RNA recognition motif in vertebrate type II embryonic polyadenylate-binding protein 2 (ePABP-2); This subgroup corresponds to the RRM of ePABP-2, also termed embryonic poly(A)-binding protein 2, or poly(A)-binding protein nuclear-like 1 (PABPN1L). ePABP-2 is a novel embryonic-specific cytoplasmic type II poly(A)-binding protein that is expressed during the early stages of vertebrate development and in adult ovarian tissue. It may play an important role in the poly(A) metabolism of stored mRNAs during early vertebrate development. ePABP-2 shows significant sequence similarity to the ubiquitously expressed nuclear polyadenylate-binding protein 2 (PABP-2 or PABPN1). Like PABP-2, ePABP-2 contains one RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), which is responsible for the poly(A) binding. In addition, it possesses an acidic N-terminal domain predicted to form a coiled-coil and an arginine-rich C-terminal domain. Pssm-ID: 409967 [Multi-domain] Cd Length: 77 Bit Score: 40.20 E-value: 8.97e-04
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| RRM_FUS_TAF15 | cd12535 | RNA recognition motif (RRM) found in vertebrate fused in Ewing's sarcoma protein (FUS), ... |
2433-2511 | 9.36e-04 | |||||||||
RNA recognition motif (RRM) found in vertebrate fused in Ewing's sarcoma protein (FUS), TATA-binding protein-associated factor 15 (TAF15) and similar proteins; This subgroup corresponds to the RRM of FUS and TAF15. FUS (TLS or Pigpen or hnRNP P2), also termed 75 kDa DNA-pairing protein (POMp75), or oncoprotein TLS (Translocated in liposarcoma), is a member of the FET (previously TET) (FUS/TLS, EWS, TAF15) family of RNA- and DNA-binding proteins whose expression is altered in cancer. It is a multi-functional protein and has been implicated in pre-mRNA splicing, chromosome stability, cell spreading, and transcription. FUS was originally identified in human myxoid and round cell liposarcomas as an oncogenic fusion with the stress-induced DNA-binding transcription factor CHOP (CCAAT enhancer-binding homologous protein) and later as hnRNP P2, a component of hnRNP H complex assembled on pre-mRNA. It can form ternary complexes with hnRNP A1 and hnRNP C1/C2. Additional research indicates that FUS binds preferentially to GGUG-containing RNAs. In the presence of Mg2+, it can bind both single- and double-stranded DNA (ssDNA/dsDNA) and promote ATP-independent annealing of complementary ssDNA and D-loop formation in superhelical dsDNA. FUS has been shown to be recruited by single stranded noncoding RNAs to the regulatory regions of target genes such as cyclin D1, where it represses transcription by disrupting complex formation. TAF15 (TAFII68), also termed TATA-binding protein-associated factor 2N (TAF2N), or RNA-binding protein 56 (RBP56), originally identified as a TAF in the general transcription initiation TFIID complex, is a novel RNA/ssDNA-binding protein with homology to the proto-oncoproteins FUS and EWS (also termed EWSR1), belonging to the FET family as well. TAF15 likely functions in RNA polymerase II (RNAP II) transcription by interacting with TFIID and subunits of RNAP II itself. TAF15 is also associated with U1 snRNA, chromatin and RNA, in a complex distinct from the Sm-containing U1 snRNP that functions in splicing. Like other members in the FET family, both FUS and TAF15 contain an N-terminal Ser, Gly, Gln and Tyr-rich region composed of multiple copies of a degenerate hexapeptide repeat motif. The C-terminal region consists of a conserved nuclear import and retention signal (C-NLS), a C2/C2 zinc-finger motif, a conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and at least 1 arginine-glycine-glycine (RGG)-repeat region. Pssm-ID: 409951 [Multi-domain] Cd Length: 86 Bit Score: 40.28 E-value: 9.36e-04
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| RRM_NCBP2 | cd12240 | RNA recognition motif (RRM) found in nuclear cap-binding protein subunit 2 (CBP20) and similar ... |
2344-2390 | 9.81e-04 | |||||||||
RNA recognition motif (RRM) found in nuclear cap-binding protein subunit 2 (CBP20) and similar proteins; This subfamily corresponds to the RRM of CBP20, also termed nuclear cap-binding protein subunit 2 (NCBP2), or cell proliferation-inducing gene 55 protein, or NCBP-interacting protein 1 (NIP1). CBP20 is the small subunit of the nuclear cap binding complex (CBC), which is a conserved eukaryotic heterodimeric protein complex binding to 5'-capped polymerase II transcripts and plays a central role in the maturation of pre-mRNA and uracil-rich small nuclear RNA (U snRNA). CBP20 is most likely responsible for the binding of capped RNA. It contains an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and interacts with the second and third domains of CBP80, the large subunit of CBC. Pssm-ID: 409686 [Multi-domain] Cd Length: 78 Bit Score: 39.86 E-value: 9.81e-04
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| RRM2_hnRPDL | cd12585 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein D-like (hnRNP ... |
2437-2491 | 1.31e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein D-like (hnRNP DL) and similar proteins; This subgroup corresponds to the RRM2 of hnRNP DL (or hnRNP D-like), also termed AU-rich element RNA-binding factor, or JKT41-binding protein (protein laAUF1 or JKTBP), is a dual functional protein that possesses DNA- and RNA-binding properties. It has been implicated in mRNA biogenesis at the transcriptional and post-transcriptional levels. hnRNP DL binds single-stranded DNA (ssDNA) or double-stranded DNA (dsDNA) in a non-sequencespecific manner, and interacts with poly(G) and poly(A) tenaciously. It contains two putative two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glycine- and tyrosine-rich C-terminus. Pssm-ID: 409998 [Multi-domain] Cd Length: 75 Bit Score: 39.60 E-value: 1.31e-03
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| SrmB | COG0513 | Superfamily II DNA and RNA helicase [Replication, recombination and repair]; |
949-1098 | 1.33e-03 | |||||||||
Superfamily II DNA and RNA helicase [Replication, recombination and repair]; Pssm-ID: 440279 [Multi-domain] Cd Length: 420 Bit Score: 43.98 E-value: 1.33e-03
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| DEADc_DDX21_DDX50 | cd17944 | DEAD-box helicase domain of DEAD box proteins 21 and 50; DDX21 (also called Gu-Alpha and ... |
953-1098 | 1.34e-03 | |||||||||
DEAD-box helicase domain of DEAD box proteins 21 and 50; DDX21 (also called Gu-Alpha and nucleolar RNA helicase 2) is an RNA helicase that acts as a sensor of the transcriptional status of both RNA polymerase (Pol) I and II. It promotes ribosomal RNA (rRNA) processing and transcription from polymerase II (Pol II) and binds various RNAs, such as rRNAs, snoRNAs, 7SK and, at lower extent, mRNAs. DDX50 (also called Gu-Beta, Nucleolar Protein Gu2, and malignant cell derived RNA helicase). DDX21 and DDX50 have similar genomic structures and are in tandem orientation on chromosome 10, suggesting that the two genes arose by gene duplication in evolution. Diseases associated with DDX21 include stomach disease and cerebral creatine deficiency syndrome 3. Diseases associated with DDX50 include rectal disease. Both are members of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. Their name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP- binding region. Pssm-ID: 350702 [Multi-domain] Cd Length: 202 Bit Score: 42.53 E-value: 1.34e-03
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| RRM_G3BP | cd12229 | RNA recognition motif (RRM) found in ras GTPase-activating protein-binding protein G3BP1, ... |
2344-2390 | 1.43e-03 | |||||||||
RNA recognition motif (RRM) found in ras GTPase-activating protein-binding protein G3BP1, G3BP2 and similar proteins; This subfamily corresponds to the RRM domain in the G3BP family of RNA-binding and SH3 domain-binding proteins. G3BP acts at the level of RNA metabolism in response to cell signaling, possibly as RNA transcript stabilizing factors or an RNase. Members include G3BP1, G3BP2 and similar proteins. These proteins associate directly with the SH3 domain of GTPase-activating protein (GAP), which functions as an inhibitor of Ras. They all contain an N-terminal nuclear transfer factor 2 (NTF2)-like domain, an acidic domain, a domain containing PXXP motif(s), an RNA recognition motif (RRM), and an Arg-Gly-rich region (RGG-rich region, or arginine methylation motif). Pssm-ID: 409676 [Multi-domain] Cd Length: 81 Bit Score: 39.70 E-value: 1.43e-03
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| RRM2_Nop12p_like | cd12670 | RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 12 (Nop12p) and similar ... |
2437-2503 | 1.57e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in yeast nucleolar protein 12 (Nop12p) and similar proteins; This subgroup corresponds to the RRM2 of Nop12p, which is encoded by YOL041C from Saccharomyces cerevisiae. It is a novel nucleolar protein required for pre-25S rRNA processing and normal rates of cell growth at low temperatures. Nop12p shares high sequence similarity with nucleolar protein 13 (Nop13p). Both, Nop12p and Nop13p, are not essential for growth. However, unlike Nop13p that localizes primarily to the nucleolus but is also present in the nucleoplasm to a lesser extent, Nop12p is localized to the nucleolus. Nop12p contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 410071 [Multi-domain] Cd Length: 77 Bit Score: 39.35 E-value: 1.57e-03
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| RRM1_hnRNPH_hnRNPH2_hnRNPF | cd12729 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein hnRNP H , ... |
2344-2390 | 1.69e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein hnRNP H , hnRNP H2, hnRNP F and similar proteins; This subgroup corresponds to the RRM1 of hnRNP H (also termed mcs94-1), hnRNP H2 (also termed FTP-3 or hnRNP H') and hnRNP F. These represent a group of nuclear RNA binding proteins that play important roles in the regulation of alternative splicing decisions. hnRNP H and hnRNP F are two closely related proteins, both of which bind to the RNA sequence DGGGD. They are present in a complex with the tissue-specific splicing factor Fox2, and regulate the alternative splicing of the fibroblast growth factor receptor 2 (FGFR2) transcripts. The presence of Fox 2 can allows hnRNP H and hnRNP F to better compete with the SR protein ASF/SF2 for binding to FGFR2 exon IIIc. Thus, hnRNP H and hnRNP F can function as potent silencers of FGFR2 exon IIIc inclusion through an interaction with the exonic GGG motifs. Furthermore, hnRNP H and hnRNP H2 are almost identical. Both of them have been found to bind nuclear-matrix proteins. hnRNP H activates exon inclusion by binding G-rich intronic elements downstream of the 5' splice site in the transcripts of c-src, human immunodeficiency virus type 1 (HIV-1), Bcl-X, GRIN1, and myelin. It silences exons when bound to exonic elements in the transcripts of beta-tropomyosin, HIV-1, and alpha-tropomyosin. hnRNP H2 has been implicated in pre-mRNA 3' end formation. Members in this family contain three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). RRM1 and RRM2 are responsible for the binding to the RNA at DGGGD motifs, and they play an important role in efficiently silencing the exon. In addition, the family members have an extensive glycine-rich region near the C-terminus, which may allow them to homo- or heterodimerize. Pssm-ID: 410128 [Multi-domain] Cd Length: 79 Bit Score: 39.38 E-value: 1.69e-03
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| RRM_snRNP35 | cd12237 | RNA recognition motif (RRM) found in U11/U12 small nuclear ribonucleoprotein 35 kDa protein ... |
2343-2390 | 1.91e-03 | |||||||||
RNA recognition motif (RRM) found in U11/U12 small nuclear ribonucleoprotein 35 kDa protein (U11/U12-35K) and similar proteins; This subfamily corresponds to the RRM of U11/U12-35K, also termed protein HM-1, or U1 snRNP-binding protein homolog, and is one of the components of the U11/U12 snRNP, which is a subunit of the minor (U12-dependent) spliceosome required for splicing U12-type nuclear pre-mRNA introns. U11/U12-35K is highly conserved among bilateria and plants, but lacks in some organisms, such as Saccharomyces cerevisiae and Caenorhabditis elegans. Moreover, U11/U12-35K shows significant sequence homology to U1 snRNP-specific 70 kDa protein (U1-70K or snRNP70). It contains a conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), followed by an adjacent glycine-rich region, and Arg-Asp and Arg-Glu dipeptide repeats rich domain, making U11/U12-35K a possible functional analog of U1-70K. It may facilitate 5' splice site recognition in the minor spliceosome and play a role in exon bridging, interacting with components of the major spliceosome bound to the pyrimidine tract of an upstream U2-type intron. The family corresponds to the RRM of U11/U12-35K that may directly contact the U11 or U12 snRNA through the RRM domain. Pssm-ID: 409683 [Multi-domain] Cd Length: 94 Bit Score: 39.62 E-value: 1.91e-03
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| RRM_NOL8 | cd12226 | RNA recognition motif (RRM) found in nucleolar protein 8 (NOL8) and similar proteins; This ... |
2344-2390 | 2.01e-03 | |||||||||
RNA recognition motif (RRM) found in nucleolar protein 8 (NOL8) and similar proteins; This model corresponds to the RRM of NOL8 (also termed Nop132) encoded by a novel NOL8 gene that is up-regulated in the majority of diffuse-type, but not intestinal-type, gastric cancers. Thus, NOL8 may be a good molecular target for treatment of diffuse-type gastric cancer. Also, NOL8 is a phosphorylated protein that contains an N-terminal RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), suggesting NOL8 is likely to function as a novel RNA-binding protein. It may be involved in regulation of gene expression at the post-transcriptional level or in ribosome biogenesis in cancer cells. Pssm-ID: 409673 [Multi-domain] Cd Length: 77 Bit Score: 39.10 E-value: 2.01e-03
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| RRM2_hnRNPAB | cd12584 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A/B (hnRNP A/B) ... |
2344-2390 | 2.01e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein A/B (hnRNP A/B) and similar proteins; This subgroup corresponds to the RRM2 of hnRNP A/B, also termed APOBEC1-binding protein 1 (ABBP-1), an RNA unwinding protein with a high affinity for G- followed by U-rich regions. hnRNP A/B has also been identified as an APOBEC1-binding protein that interacts with apolipoprotein B (apoB) mRNA transcripts around the editing site and thus plays an important role in apoB mRNA editing. hnRNP A/B contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), followed by a long C-terminal glycine-rich domain that contains a potential ATP/GTP binding loop. Pssm-ID: 409997 [Multi-domain] Cd Length: 80 Bit Score: 39.16 E-value: 2.01e-03
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| PLN03134 | PLN03134 | glycine-rich RNA-binding protein 4; Provisional |
2435-2520 | 2.07e-03 | |||||||||
glycine-rich RNA-binding protein 4; Provisional Pssm-ID: 178680 [Multi-domain] Cd Length: 144 Bit Score: 40.79 E-value: 2.07e-03
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| RRM1_NCL | cd12403 | RNA recognition motif 1 (RRM1) found in vertebrate nucleolin; This subfamily corresponds to ... |
2436-2512 | 2.17e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in vertebrate nucleolin; This subfamily corresponds to the RRM1 of ubiquitously expressed protein nucleolin, also termed protein C23. Nucleolin is a multifunctional major nucleolar phosphoprotein that has been implicated in various metabolic processes, such as ribosome biogenesis, cytokinesis, nucleogenesis, cell proliferation and growth, cytoplasmic-nucleolar transport of ribosomal components, transcriptional repression, replication, signal transduction, inducing chromatin decondensation, etc. Nucleolin exhibits intrinsic self-cleaving, DNA helicase, RNA helicase and DNA-dependent ATPase activities. It can be phosphorylated by many protein kinases, such as the major mitotic kinase Cdc2, casein kinase 2 (CK2), and protein kinase C-zeta. Nucleolin shares similar domain architecture with gar2 from Schizosaccharomyces pombe and NSR1 from Saccharomyces cerevisiae. The highly phosphorylated N-terminal domain of nucleolin is made up of highly acidic regions separated from each other by basic sequences, and contains multiple phosphorylation sites. The central domain of nucleolin contains four closely adjacent N-terminal RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which suggests that nucleolin is potentially able to interact with multiple RNA targets. The C-terminal RGG (or GAR) domain of nucleolin is rich in glycine, arginine and phenylalanine residues, and contains high levels of NG,NG-dimethylarginines. RRM1, together with RRM2, binds specifically to RNA stem-loops containing the sequence (U/G)CCCG(A/G) in the loop. Pssm-ID: 409837 [Multi-domain] Cd Length: 75 Bit Score: 38.94 E-value: 2.17e-03
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| RRM_Nop15p | cd12552 | RNA recognition motif in yeast ribosome biogenesis protein 15 (Nop15p) and similar proteins; ... |
2343-2390 | 2.17e-03 | |||||||||
RNA recognition motif in yeast ribosome biogenesis protein 15 (Nop15p) and similar proteins; This subgroup corresponds to the RRM of Nop15p, also termed nucleolar protein 15, which is encoded by YNL110C from Saccharomyces cerevisiae, and localizes to the nucleoplasm and nucleolus. Nop15p has been identified as a component of a pre-60S particle. It interacts with RNA components of the early pre-60S particles. Furthermore, Nop15p binds directly to a pre-rRNA transcript in vitro and is required for pre-rRNA processing. It functions as a ribosome synthesis factor required for the 5' to 3' exonuclease digestion that generates the 5' end of the major, short form of the 5.8S rRNA as well as for processing of 27SB to 7S pre-rRNA. Nop15p also play a specific role in cell cycle progression. Nop15p contains an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). Pssm-ID: 409968 [Multi-domain] Cd Length: 77 Bit Score: 39.08 E-value: 2.17e-03
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| RRM1_CID8_like | cd12459 | RNA recognition motif 1 (RRM1) found in Arabidopsis thaliana CTC-interacting domain protein ... |
2343-2390 | 2.30e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in Arabidopsis thaliana CTC-interacting domain protein CID8, CID9, CID10, CID11, CID12, CID 13 and similar proteins; This subgroup corresponds to the RRM1 domains found in A. thaliana CID8, CID9, CID10, CID11, CID12, CID 13 and mainly their plant homologs. These highly related RNA-binding proteins contain an N-terminal PAM2 domain (PABP-interacting motif 2), two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a basic region that resembles a bipartite nuclear localization signal. The biological role of this family remains unclear. Pssm-ID: 409892 [Multi-domain] Cd Length: 80 Bit Score: 38.94 E-value: 2.30e-03
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| RRM3_RBM28_like | cd12415 | RNA recognition motif 3 (RRM3) found in RNA-binding protein 28 (RBM28) and similar proteins; ... |
2436-2512 | 2.39e-03 | |||||||||
RNA recognition motif 3 (RRM3) found in RNA-binding protein 28 (RBM28) and similar proteins; This subfamily corresponds to the RRM3 of RBM28 and Nop4p. RBM28 is a specific nucleolar component of the spliceosomal small nuclear ribonucleoproteins (snRNPs), possibly coordinating their transition through the nucleolus. It specifically associates with U1, U2, U4, U5, and U6 small nuclear RNAs (snRNAs), and may play a role in the maturation of both small nuclear and ribosomal RNAs. RBM28 has four RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an extremely acidic region between RRM2 and RRM3. The family also includes nucleolar protein 4 (Nop4p or Nop77p) encoded by YPL043W from Saccharomyces cerevisiae. It is an essential nucleolar protein involved in processing and maturation of 27S pre-rRNA and biogenesis of 60S ribosomal subunits. Nop4p also contains four RRMs. Pssm-ID: 409849 [Multi-domain] Cd Length: 83 Bit Score: 39.12 E-value: 2.39e-03
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| RRM2_SREK1 | cd12260 | RNA recognition motif 2 (RRM2) found in splicing regulatory glutamine/lysine-rich protein 1 ... |
2436-2511 | 2.40e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in splicing regulatory glutamine/lysine-rich protein 1 (SREK1) and similar proteins; This subfamily corresponds to the RRM2 of SREK1, also termed serine/arginine-rich-splicing regulatory protein 86-kDa (SRrp86), or splicing factor arginine/serine-rich 12 (SFRS12), or splicing regulatory protein 508 amino acid (SRrp508). SREK1 belongs to a family of proteins containing regions rich in serine-arginine dipeptides (SR proteins family), which is involved in bridge-complex formation and splicing by mediating protein-protein interactions across either introns or exons. It is a unique SR family member and it may play a crucial role in determining tissue specific patterns of alternative splicing. SREK1 can alter splice site selection by both positively and negatively modulating the activity of other SR proteins. For instance, SREK1 can activate SRp20 and repress SC35 in a dose-dependent manner both in vitro and in vivo. In addition, SREK1 contains two (some contain only one) RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and two serine-arginine (SR)-rich domains (SR domains) separated by an unusual glutamic acid-lysine (EK) rich region. The RRM and SR domains are highly conserved among other members of the SR superfamily. However, the EK domain is unique to SREK1. It plays a modulatory role controlling SR domain function by involvement in the inhibition of both constitutive and alternative splicing and in the selection of splice-site. Pssm-ID: 409705 [Multi-domain] Cd Length: 85 Bit Score: 39.21 E-value: 2.40e-03
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| PRK11057 | PRK11057 | ATP-dependent DNA helicase RecQ; Provisional |
952-1100 | 2.42e-03 | |||||||||
ATP-dependent DNA helicase RecQ; Provisional Pssm-ID: 182933 [Multi-domain] Cd Length: 607 Bit Score: 43.16 E-value: 2.42e-03
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| RRM2_PSRP2 | cd21610 | RNA recognition motif 2 (RRM2) found in chloroplastic plastid-specific 30S ribosomal protein 2 ... |
2344-2390 | 2.48e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in chloroplastic plastid-specific 30S ribosomal protein 2 (PSRP-2) and similar proteins; PSRP-2, also called chloroplastic 30S ribosomal protein 2, or chloroplastic small ribosomal subunit protein cS22, is a component of the chloroplast ribosome (chloro-ribosome), a dedicated translation machinery responsible for the synthesis of chloroplast genome-encoded proteins, including proteins of the transcription and translation machinery and components of the photosynthetic apparatus. It binds single strand DNA (ssDNA) and RNA in vitro. It exhibits RNA chaperone activity and regulates negatively resistance responses to abiotic stresses during seed germination (e.g. salt, dehydration, and low temperature) and seedling growth (e.g. salt). PSRP-2 contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). The model corresponds to the second RRM motif. Pssm-ID: 410189 [Multi-domain] Cd Length: 79 Bit Score: 39.14 E-value: 2.48e-03
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| RRM1_hnRNPR | cd12482 | RNA recognition motif 1 (RRM1) found in vertebrate heterogeneous nuclear ribonucleoprotein R ... |
2342-2390 | 2.58e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in vertebrate heterogeneous nuclear ribonucleoprotein R (hnRNP R); This subgroup corresponds to the RRM1 of hnRNP R, which is a ubiquitously expressed nuclear RNA-binding protein that specifically binds mRNAs with a preference for poly(U) stretches. Upon binding of RNA, hnRNP R forms oligomers, most probably dimers. hnRNP R has been implicated in mRNA processing and mRNA transport, and also acts as a regulator to modify binding to ribosomes and RNA translation. It is predominantly located in axons of motor neurons and to a much lower degree in sensory axons. In axons of motor neurons, it also functions as a cytosolic protein and interacts with wild type of survival motor neuron (SMN) proteins directly, further providing a molecular link between SMN and the spliceosome. Moreover, hnRNP R plays an important role in neural differentiation and development, and in retinal development and light-elicited cellular activities. hnRNP R contains an acidic auxiliary N-terminal region, followed by two well defined and one degenerated RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal RGG motif; it binds RNA through its RRM domains. Pssm-ID: 409909 [Multi-domain] Cd Length: 79 Bit Score: 38.80 E-value: 2.58e-03
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| RRM1_hnRNPM_like | cd12385 | RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein M (hnRNP M) ... |
2344-2415 | 2.66e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in heterogeneous nuclear ribonucleoprotein M (hnRNP M) and similar proteins; This subfamily corresponds to the RRM1 of heterogeneous nuclear ribonucleoprotein M (hnRNP M), myelin expression factor 2 (MEF-2 or MyEF-2 or MST156) and similar proteins. hnRNP M is pre-mRNA binding protein that may play an important role in the pre-mRNA processing. It also preferentially binds to poly(G) and poly(U) RNA homopolymers. Moreover, hnRNP M is able to interact with early spliceosomes, further influencing splicing patterns of specific pre-mRNAs. hnRNP M functions as the receptor of carcinoembryonic antigen (CEA) that contains the penta-peptide sequence PELPK signaling motif. In addition, hnRNP M and another splicing factor Nova-1 work together as dopamine D2 receptor (D2R) pre-mRNA-binding proteins. They regulate alternative splicing of D2R pre-mRNA in an antagonistic manner. hnRNP M contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an unusual hexapeptide-repeat region rich in methionine and arginine residues (MR repeat motif). MEF-2 is a sequence-specific single-stranded DNA (ssDNA) binding protein that binds specifically to ssDNA derived from the proximal (MB1) element of the myelin basic protein (MBP) promoter and represses transcription of the MBP gene. MEF-2 shows high sequence homology with hnRNP M. It also contains three RRMs, which may be responsible for its ssDNA binding activity. Pssm-ID: 409819 [Multi-domain] Cd Length: 76 Bit Score: 38.94 E-value: 2.66e-03
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| DEXHc_RecQ3 | cd18017 | DEAH-box helicase domain of RecQ3; DEAD-like helicase RecQ3 (also called Werner syndrome ... |
975-1112 | 3.05e-03 | |||||||||
DEAH-box helicase domain of RecQ3; DEAD-like helicase RecQ3 (also called Werner syndrome ATP-dependent helicase or WRN) is part of the RecQ family of highly conserved DNA repair helicases that is part of the type II DEAD box helicase superfamily, a diverse family of proteins involved in ATP-dependent RNA or DNA unwinding. This domain contains the ATP-binding region. Mutations cause Werner's syndrome. Pssm-ID: 350775 [Multi-domain] Cd Length: 193 Bit Score: 41.30 E-value: 3.05e-03
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| RRM6_RBM19_RRM5_MRD1 | cd12320 | RNA recognition motif 6 (RRM6) found in RNA-binding protein 19 (RBM19 or RBD-1) and RNA ... |
2450-2512 | 3.08e-03 | |||||||||
RNA recognition motif 6 (RRM6) found in RNA-binding protein 19 (RBM19 or RBD-1) and RNA recognition motif 5 (RRM5) found in multiple RNA-binding domain-containing protein 1 (MRD1); This subfamily corresponds to the RRM6 of RBM19 and RRM5 of MRD1. RBM19, also termed RNA-binding domain-1 (RBD-1), is a nucleolar protein conserved in eukaryotes. It is involved in ribosome biogenesis by processing rRNA and is essential for preimplantation development. It has a unique domain organization containing 6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). MRD1 is encoded by a novel yeast gene MRD1 (multiple RNA-binding domain). It is well-conserved in yeast and its homologs exist in all eukaryotes. MRD1 is present in the nucleolus and the nucleoplasm. It interacts with the 35 S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). It is essential for the initial processing at the A0-A2 cleavage sites in the 35 S pre-rRNA. MRD1 contains 5 conserved RRMs, which may play an important structural role in organizing specific rRNA processing events. Pssm-ID: 409759 [Multi-domain] Cd Length: 76 Bit Score: 38.75 E-value: 3.08e-03
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| RRM4_RBM12_like | cd12514 | RNA recognition motif 4 (RRM4) found in RNA-binding protein RBM12, RBM12B and similar proteins; ... |
2344-2412 | 3.32e-03 | |||||||||
RNA recognition motif 4 (RRM4) found in RNA-binding protein RBM12, RBM12B and similar proteins; This subfamily corresponds to the RRM4 of RBM12 and RBM12B. RBM12, also termed SH3/WW domain anchor protein in the nucleus (SWAN), is ubiquitously expressed. It contains five distinct RNA binding motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), two proline-rich regions, and several putative transmembrane domains. RBM12B show high sequence semilarity with RBM12. It contains five distinct RRMs as well. The biological roles of both RBM12 and RBM12B remain unclear. Pssm-ID: 409936 [Multi-domain] Cd Length: 73 Bit Score: 38.55 E-value: 3.32e-03
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| RRM_SR140 | cd12223 | RNA recognition motif (RRM) found in U2-associated protein SR140 and similar proteins; This ... |
2341-2390 | 3.60e-03 | |||||||||
RNA recognition motif (RRM) found in U2-associated protein SR140 and similar proteins; This subgroup corresponds to the RRM of SR140 (also termed U2 snRNP-associated SURP motif-containing protein orU2SURP, or 140 kDa Ser/Arg-rich domain protein) which is a putative splicing factor mainly found in higher eukaryotes. Although it is initially identified as one of the 17S U2 snRNP-associated proteins, the molecular and physiological function of SR140 remains unclear. SR140 contains an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), a SWAP/SURP domain that is found in a number of pre-mRNA splicing factors in the middle region, and a C-terminal arginine/serine-rich domain (RS domain). Pssm-ID: 409670 [Multi-domain] Cd Length: 84 Bit Score: 38.81 E-value: 3.60e-03
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| RRM1_Hu_like | cd12375 | RNA recognition motif 1 (RRM1) found in the Hu proteins family, Drosophila sex-lethal (SXL), ... |
2346-2390 | 3.70e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in the Hu proteins family, Drosophila sex-lethal (SXL), and similar proteins; This subfamily corresponds to the RRM1 of Hu proteins and SXL. The Hu proteins family represents a group of RNA-binding proteins involved in diverse biological processes. Since the Hu proteins share high homology with the Drosophila embryonic lethal abnormal vision (ELAV) protein, the Hu family is sometimes referred to as the ELAV family. Drosophila ELAV is exclusively expressed in neurons and is required for the correct differentiation and survival of neurons in flies. The neuronal members of the Hu family include Hu-antigen B (HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3 or PLE21), and Hu-antigen D (HuD or ELAV-4), which play important roles in neuronal differentiation, plasticity and memory. HuB is also expressed in gonads. Hu-antigen R (HuR or ELAV-1 or HuA) is ubiquitously expressed Hu family member. It has a variety of biological functions mostly related to the regulation of cellular response to DNA damage and other types of stress. Hu proteins perform their cytoplasmic and nuclear molecular functions by coordinately regulating functionally related mRNAs. In the cytoplasm, Hu proteins recognize and bind to AU-rich RNA elements (AREs) in the 3' untranslated regions (UTRs) of certain target mRNAs, such as GAP-43, vascular epithelial growth factor (VEGF), the glucose transporter GLUT1, eotaxin and c-fos, and stabilize those ARE-containing mRNAs. They also bind and regulate the translation of some target mRNAs, such as neurofilament M, GLUT1, and p27. In the nucleus, Hu proteins function as regulators of polyadenylation and alternative splicing. Each Hu protein contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). RRM1 and RRM2 may cooperate in binding to an ARE. RRM3 may help to maintain the stability of the RNA-protein complex, and might also bind to poly(A) tails or be involved in protein-protein interactions. This family also includes the sex-lethal protein (SXL) from Drosophila melanogaster. SXL governs sexual differentiation and X chromosome dosage compensation in flies. It induces female-specific alternative splicing of the transformer (tra) pre-mRNA by binding to the tra uridine-rich polypyrimidine tract at the non-sex-specific 3' splice site during the sex-determination process. SXL binds to its own pre-mRNA and promotes female-specific alternative splicing. It contains an N-terminal Gly/Asn-rich domain that may be responsible for the protein-protein interaction, and tandem RRMs that show high preference to bind single-stranded, uridine-rich target RNA transcripts. Pssm-ID: 409810 [Multi-domain] Cd Length: 76 Bit Score: 38.54 E-value: 3.70e-03
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| RRM3_CELF1-6 | cd12362 | RNA recognition motif 3 (RRM3) found in CELF/Bruno-like family of RNA binding proteins CELF1, ... |
2344-2390 | 3.79e-03 | |||||||||
RNA recognition motif 3 (RRM3) found in CELF/Bruno-like family of RNA binding proteins CELF1, CELF2, CELF3, CELF4, CELF5, CELF6 and similar proteins; This subgroup corresponds to the RRM3 of the CUGBP1 and ETR-3-like factors (CELF) or BRUNOL (Bruno-like) proteins, a family of structurally related RNA-binding proteins involved in the regulation of pre-mRNA splicing in the nucleus and in the control of mRNA translation and deadenylation in the cytoplasm. The family contains six members: CELF-1 (also termed BRUNOL-2, or CUG-BP1, or NAPOR, or EDEN-BP), CELF-2 (also termed BRUNOL-3, or ETR-3, or CUG-BP2, or NAPOR-2), CELF-3 (also termed BRUNOL-1, or TNRC4, or ETR-1, or CAGH4, or ER DA4), CELF-4 (also termed BRUNOL-4), CELF-5 (also termed BRUNOL-5), CELF-6 (also termed BRUNOL-6). They all contain three highly conserved RNA recognition motifs (RRMs), also known as RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains): two consecutive RRMs (RRM1 and RRM2) situated in the N-terminal region followed by a linker region and the third RRM (RRM3) close to the C-terminus of the protein. The low sequence conservation of the linker region is highly suggestive of a large variety in the co-factors that associate with the various CELF family members. Based on both sequence similarity and function, the CELF family can be divided into two subfamilies, the first containing CELFs 1 and 2, and the second containing CELFs 3, 4, 5, and 6. The different CELF proteins may act through different sites on at least some substrates. Furthermore, CELF proteins may interact with each other in varying combinations to influence alternative splicing in different contexts. Pssm-ID: 409797 [Multi-domain] Cd Length: 73 Bit Score: 38.37 E-value: 3.79e-03
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| PRK00254 | PRK00254 | ski2-like helicase; Provisional |
948-1027 | 3.87e-03 | |||||||||
ski2-like helicase; Provisional Pssm-ID: 234702 [Multi-domain] Cd Length: 720 Bit Score: 42.50 E-value: 3.87e-03
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| PRK12678 | PRK12678 | transcription termination factor Rho; Provisional |
661-795 | 3.96e-03 | |||||||||
transcription termination factor Rho; Provisional Pssm-ID: 237171 [Multi-domain] Cd Length: 672 Bit Score: 42.58 E-value: 3.96e-03
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| RRM_NIFK_like | cd12307 | RNA recognition motif in nucleolar protein interacting with the FHA domain of pKI-67 (NIFK) ... |
2455-2501 | 4.25e-03 | |||||||||
RNA recognition motif in nucleolar protein interacting with the FHA domain of pKI-67 (NIFK) and similar proteins; This subgroup corresponds to the RRM of NIFK and Nop15p. NIFK, also termed MKI67 FHA domain-interacting nucleolar phosphoprotein, or nucleolar phosphoprotein Nopp34, is a putative RNA-binding protein interacting with the forkhead associated (FHA) domain of pKi-67 antigen in a mitosis-specific and phosphorylation-dependent manner. It is nucleolar in interphase but associates with condensed mitotic chromosomes. This family also includes Saccharomyces cerevisiae YNL110C gene encoding ribosome biogenesis protein 15 (Nop15p), also termed nucleolar protein 15. Both, NIFK and Nop15p, contain an RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain). Pssm-ID: 409748 [Multi-domain] Cd Length: 74 Bit Score: 37.94 E-value: 4.25e-03
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| RRM1_MRD1 | cd12565 | RNA recognition motif 1 (RRM1) found in yeast multiple RNA-binding domain-containing protein 1 ... |
2342-2390 | 4.43e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in yeast multiple RNA-binding domain-containing protein 1 (MRD1) and similar proteins; This subgroup corresponds to the RRM1 of MRD1 which is encoded by a novel yeast gene MRD1 (multiple RNA-binding domain). It is well-conserved in yeast and its homologs exist in all eukaryotes. MRD1 is present in the nucleolus and the nucleoplasm. It interacts with the 35 S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). MRD1 is essential for the initial processing at the A0-A2 cleavage sites in the 35 S pre-rRNA. It contains 5 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which may play an important structural role in organizing specific rRNA processing events. Pssm-ID: 409981 [Multi-domain] Cd Length: 76 Bit Score: 37.93 E-value: 4.43e-03
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| PRK11057 | PRK11057 | ATP-dependent DNA helicase RecQ; Provisional |
1493-1597 | 4.66e-03 | |||||||||
ATP-dependent DNA helicase RecQ; Provisional Pssm-ID: 182933 [Multi-domain] Cd Length: 607 Bit Score: 42.39 E-value: 4.66e-03
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| RRM1_MSI | cd12576 | RNA recognition motif 1 (RRM1) found in RNA-binding protein Musashi homolog Musashi-1, ... |
2345-2390 | 4.93e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in RNA-binding protein Musashi homolog Musashi-1, Musashi-2 and similar proteins; This subfamily corresponds to the RRM1 in Musashi-1 and Musashi-2. Musashi-1 (also termed Msi1) is a neural RNA-binding protein putatively expressed in central nervous system (CNS) stem cells and neural progenitor cells, and associated with asymmetric divisions in neural progenitor cells. It is evolutionarily conserved from invertebrates to vertebrates. Musashi-1 is a homolog of Drosophila Musashi and Xenopus laevis nervous system-specific RNP protein-1 (Nrp-1). It has been implicated in the maintenance of the stem-cell state, differentiation, and tumorigenesis. It translationally regulates the expression of a mammalian numb gene by binding to the 3'-untranslated region of mRNA of Numb, encoding a membrane-associated inhibitor of Notch signaling, and further influences neural development. Moreover, Musashi-1 represses translation by interacting with the poly(A)-binding protein and competes for binding of the eukaryotic initiation factor-4G (eIF-4G). Musashi-2 (also termed Msi2) has been identified as a regulator of the hematopoietic stem cell (HSC) compartment and of leukemic stem cells after transplantation of cells with loss and gain of function of the gene. It influences proliferation and differentiation of HSCs and myeloid progenitors, and further modulates normal hematopoiesis and promotes aggressive myeloid leukemia. Both, Musashi-1 and Musashi-2, contain two conserved N-terminal tandem RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), along with other domains of unknown function. Pssm-ID: 409990 [Multi-domain] Cd Length: 76 Bit Score: 38.20 E-value: 4.93e-03
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| RRM6_RBM19 | cd12571 | RNA recognition motif 6 (RRM6) found in RNA-binding protein 19 (RBM19) and similar proteins; ... |
2342-2390 | 5.12e-03 | |||||||||
RNA recognition motif 6 (RRM6) found in RNA-binding protein 19 (RBM19) and similar proteins; This subgroup corresponds to the RRM6 of RBM19, also termed RNA-binding domain-1 (RBD-1), which is a nucleolar protein conserved in eukaryotes. It is involved in ribosome biogenesis by processing rRNA. In addition, it is essential for preimplantation development. RBM19 has a unique domain organization containing 6 conserved RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409985 [Multi-domain] Cd Length: 79 Bit Score: 38.18 E-value: 5.12e-03
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| RRM_II_PABPN1 | cd12550 | RNA recognition motif in type II polyadenylate-binding protein 2 (PABP-2) and similar proteins; ... |
2455-2511 | 5.25e-03 | |||||||||
RNA recognition motif in type II polyadenylate-binding protein 2 (PABP-2) and similar proteins; This subgroup corresponds to the RRM of PABP-2, also termed poly(A)-binding protein 2, or nuclear poly(A)-binding protein 1 (PABPN1), or poly(A)-binding protein II (PABII), which is a ubiquitously expressed type II nuclear poly(A)-binding protein that directs the elongation of mRNA poly(A) tails during pre-mRNA processing. Although PABP-2 binds poly(A) with high affinity and specificity as type I poly(A)-binding proteins, it contains only one highly conserved RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), which is responsible for the poly(A) binding. In addition, PABP-2 possesses an acidic N-terminal domain that is essential for the stimulation of PAP, and an arginine-rich C-terminal domain. Pssm-ID: 409966 [Multi-domain] Cd Length: 76 Bit Score: 37.86 E-value: 5.25e-03
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| RRM2_hnRPDL | cd12585 | RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein D-like (hnRNP ... |
2344-2390 | 5.27e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in heterogeneous nuclear ribonucleoprotein D-like (hnRNP DL) and similar proteins; This subgroup corresponds to the RRM2 of hnRNP DL (or hnRNP D-like), also termed AU-rich element RNA-binding factor, or JKT41-binding protein (protein laAUF1 or JKTBP), is a dual functional protein that possesses DNA- and RNA-binding properties. It has been implicated in mRNA biogenesis at the transcriptional and post-transcriptional levels. hnRNP DL binds single-stranded DNA (ssDNA) or double-stranded DNA (dsDNA) in a non-sequencespecific manner, and interacts with poly(G) and poly(A) tenaciously. It contains two putative two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a glycine- and tyrosine-rich C-terminus. Pssm-ID: 409998 [Multi-domain] Cd Length: 75 Bit Score: 38.06 E-value: 5.27e-03
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| DEADc_DDX31 | cd17949 | DEAD-box helicase domain of DEAD box protein 31; DDX31 (also called helicain or G2 helicase) ... |
969-1023 | 5.33e-03 | |||||||||
DEAD-box helicase domain of DEAD box protein 31; DDX31 (also called helicain or G2 helicase) plays a role in ribosome biogenesis and TP53/p53 regulation through its interaction with NPM1. DDX31 is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350707 [Multi-domain] Cd Length: 214 Bit Score: 40.65 E-value: 5.33e-03
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| PABP-1234 | TIGR01628 | polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins ... |
2313-2413 | 5.56e-03 | |||||||||
polyadenylate binding protein, human types 1, 2, 3, 4 family; These eukaryotic proteins recognize the poly-A of mRNA and consists of four tandem RNA recognition domains at the N-terminus (rrm: pfam00076) followed by a PABP-specific domain (pfam00658) at the C-terminus. The protein is involved in the transport of mRNA's from the nucleus to the cytoplasm. There are four paralogs in Homo sapiens which are expressed in testis, platelets, broadly expressed and of unknown tissue range. Pssm-ID: 130689 [Multi-domain] Cd Length: 562 Bit Score: 42.10 E-value: 5.56e-03
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| RRM2_HuR | cd12773 | RNA recognition motif 2 (RRM2) found in vertebrate Hu-antigen R (HuR); This subgroup ... |
2455-2516 | 5.60e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in vertebrate Hu-antigen R (HuR); This subgroup corresponds to the RRM2 of HuR, also termed ELAV-like protein 1 (ELAV-1), the ubiquitously expressed Hu family member. It has a variety of biological functions mostly related to the regulation of cellular response to DNA damage and other types of stress. HuR has an anti-apoptotic function during early cell stress response. It binds to mRNAs and enhances the expression of several anti-apoptotic proteins, such as p21waf1, p53, and prothymosin alpha. HuR also has pro-apoptotic function by promoting apoptosis when cell death is unavoidable. Furthermore, HuR may be important in muscle differentiation, adipogenesis, suppression of inflammatory response and modulation of gene expression in response to chronic ethanol exposure and amino acid starvation. Like other Hu proteins, HuR contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). RRM1 and RRM2 may cooperate in binding to an AU-rich RNA element (ARE). RRM3 may help to maintain the stability of the RNA-protein complex, and might also bind to poly(A) tails or be involved in protein-protein interactions. Pssm-ID: 410166 [Multi-domain] Cd Length: 84 Bit Score: 37.97 E-value: 5.60e-03
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| RRM2_PUF60 | cd12371 | RNA recognition motif 2 (RRM2) found in (U)-binding-splicing factor PUF60 and similar proteins; ... |
2457-2511 | 6.05e-03 | |||||||||
RNA recognition motif 2 (RRM2) found in (U)-binding-splicing factor PUF60 and similar proteins; This subfamily corresponds to the RRM2 of PUF60, also termed FUSE-binding protein-interacting repressor (FBP-interacting repressor or FIR), or Ro-binding protein 1 (RoBP1), or Siah-binding protein 1 (Siah-BP1). PUF60 is an essential splicing factor that functions as a poly-U RNA-binding protein required to reconstitute splicing in depleted nuclear extracts. Its function is enhanced through interaction with U2 auxiliary factor U2AF65. PUF60 also controls human c-myc gene expression by binding and inhibiting the transcription factor far upstream sequence element (FUSE)-binding-protein (FBP), an activator of c-myc promoters. PUF60 contains two central RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a C-terminal U2AF (U2 auxiliary factor) homology motifs (UHM) that harbors another RRM and binds to tryptophan-containing linear peptide motifs (UHM ligand motifs, ULMs) in several nuclear proteins. Research indicates that PUF60 binds FUSE as a dimer, and only the first two RRM domains participate in the single-stranded DNA recognition. Pssm-ID: 409806 [Multi-domain] Cd Length: 77 Bit Score: 37.65 E-value: 6.05e-03
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| RRM_RNPS1 | cd12365 | RNA recognition motif (RRM) found in RNA-binding protein with serine-rich domain 1 (RNPS1) and ... |
2344-2390 | 6.05e-03 | |||||||||
RNA recognition motif (RRM) found in RNA-binding protein with serine-rich domain 1 (RNPS1) and similar proteins; This subfamily corresponds to the RRM of RNPS1 and its eukaryotic homologs. RNPS1, also termed RNA-binding protein prevalent during the S phase, or SR-related protein LDC2, was originally characterized as a general pre-mRNA splicing activator, which activates both constitutive and alternative splicing of pre-mRNA in vitro.It has been identified as a protein component of the splicing-dependent mRNP complex, or exon-exon junction complex (EJC), and is directly involved in mRNA surveillance. Furthermore, RNPS1 is a splicing regulator whose activator function is controlled in part by CK2 (casein kinase II) protein kinase phosphorylation. It can also function as a squamous-cell carcinoma antigen recognized by T cells-3 (SART3)-binding protein, and is involved in the regulation of mRNA splicing. RNPS1 contains an N-terminal serine-rich (S) domain, a central RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and the C-terminal arginine/serine/proline-rich (RS/P) domain. Pssm-ID: 409800 [Multi-domain] Cd Length: 73 Bit Score: 37.53 E-value: 6.05e-03
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| RRM1_GRSF1 | cd12730 | RNA recognition motif 1 (RRM1) found in G-rich sequence factor 1 (GRSF-1) and similar proteins; ... |
2349-2390 | 6.14e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in G-rich sequence factor 1 (GRSF-1) and similar proteins; This subgroup corresponds to the RRM1 of GRSF-1, a cytoplasmic poly(A)+ mRNA binding protein which interacts with RNA in a G-rich element-dependent manner. It may function in RNA packaging, stabilization of RNA secondary structure, or other macromolecular interactions. GRSF-1 contains three potential RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), which are responsible for the RNA binding. In addition, GRSF-1 has two auxiliary domains, an acidic alpha-helical domain and an N-terminal alanine-rich region, that may play a role in protein-protein interactions and provide binding specificity. Pssm-ID: 410129 [Multi-domain] Cd Length: 79 Bit Score: 37.86 E-value: 6.14e-03
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| RRM3_NGR1_NAM8_like | cd12346 | RNA recognition motif 3 (RRM3) found in yeast negative growth regulatory protein NGR1 (RBP1), ... |
2435-2502 | 6.45e-03 | |||||||||
RNA recognition motif 3 (RRM3) found in yeast negative growth regulatory protein NGR1 (RBP1), yeast protein NAM8 and similar proteins; This subfamily corresponds to the RRM3 of NGR1 and NAM8. NGR1, also termed RNA-binding protein RBP1, is a putative glucose-repressible protein that binds both RNA and single-stranded DNA (ssDNA) in yeast. It may function in regulating cell growth in early log phase, possibly through its participation in RNA metabolism. NGR1 contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), followed by a glutamine-rich stretch that may be involved in transcriptional activity. In addition, NGR1 has an asparagine-rich region near the carboxyl terminus which also harbors a methionine-rich region. The family also includes protein NAM8, which is a putative RNA-binding protein that acts as a suppressor of mitochondrial splicing deficiencies when overexpressed in yeast. It may be a non-essential component of the mitochondrial splicing machinery. Like NGR1, NAM8 contains two RRMs. Pssm-ID: 409782 [Multi-domain] Cd Length: 72 Bit Score: 37.69 E-value: 6.45e-03
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| DEADc_DDX55 | cd17960 | DEAD-box helicase domain of DEAD box protein 55; DDX55 is a member of the DEAD-box helicases, ... |
969-1098 | 7.24e-03 | |||||||||
DEAD-box helicase domain of DEAD box protein 55; DDX55 is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350718 [Multi-domain] Cd Length: 202 Bit Score: 40.25 E-value: 7.24e-03
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| DEADc_DDX42 | cd17952 | DEAD-box helicase domain of DEAD box protein 42; DDX42 (also called Splicing Factor ... |
969-1098 | 7.43e-03 | |||||||||
DEAD-box helicase domain of DEAD box protein 42; DDX42 (also called Splicing Factor 3B-Associated 125 kDa Protein, RHELP, or RNAHP) is an NTPase with a preference for ATP, the hydrolysis of which is enhanced by various RNA substrates. It acts as a non-processive RNA helicase with protein displacement and RNA annealing activities. DDX42 is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350710 [Multi-domain] Cd Length: 197 Bit Score: 40.09 E-value: 7.43e-03
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| DEADc_DDX54 | cd17959 | DEAD-box helicase domain of DEAD box protein 54; DDX54 interacts in a hormone-dependent manner ... |
949-1073 | 7.91e-03 | |||||||||
DEAD-box helicase domain of DEAD box protein 54; DDX54 interacts in a hormone-dependent manner with nuclear receptors, and represses their transcriptional activity. DDX54 is a member of the DEAD-box helicases, a diverse family of proteins involved in ATP-dependent RNA unwinding, needed in a variety of cellular processes including splicing, ribosome biogenesis and RNA degradation. The name derives from the sequence of the Walker B motif (motif II). This domain contains the ATP-binding region. Pssm-ID: 350717 [Multi-domain] Cd Length: 205 Bit Score: 40.37 E-value: 7.91e-03
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| RRM3_hnRNPM_like | cd12387 | RNA recognition motif 3 (RRM3) found in heterogeneous nuclear ribonucleoprotein M (hnRNP M) ... |
2344-2390 | 8.15e-03 | |||||||||
RNA recognition motif 3 (RRM3) found in heterogeneous nuclear ribonucleoprotein M (hnRNP M) and similar proteins; This subfamily corresponds to the RRM3 of heterogeneous nuclear ribonucleoprotein M (hnRNP M), myelin expression factor 2 (MEF-2 or MyEF-2 or MST156) and similar proteins. hnRNP M is pre-mRNA binding protein that may play an important role in the pre-mRNA processing. It also preferentially binds to poly(G) and poly(U) RNA homopolymers. hnRNP M is able to interact with early spliceosomes, further influencing splicing patterns of specific pre-mRNAs. hnRNP M functions as the receptor of carcinoembryonic antigen (CEA) that contains the penta-peptide sequence PELPK signaling motif. In addition, hnRNP M and another splicing factor Nova-1 work together as dopamine D2 receptor (D2R) pre-mRNA-binding proteins. They regulate alternative splicing of D2R pre-mRNA in an antagonistic manner. hnRNP M contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and an unusual hexapeptide-repeat region rich in methionine and arginine residues (MR repeat motif). MEF-2 is a sequence-specific single-stranded DNA (ssDNA) binding protein that binds specifically to ssDNA derived from the proximal (MB1) element of the myelin basic protein (MBP) promoter and represses transcription of the MBP gene. MEF-2 shows high sequence homology with hnRNP M. It also contains three RRMs, which may be responsible for its ssDNA binding activity. Pssm-ID: 409821 [Multi-domain] Cd Length: 71 Bit Score: 37.18 E-value: 8.15e-03
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| RRM1_Nop13p_fungi | cd12396 | RNA recognition motif 1 (RRM1) found in yeast nucleolar protein 13 (Nop13p) and similar ... |
2344-2419 | 8.54e-03 | |||||||||
RNA recognition motif 1 (RRM1) found in yeast nucleolar protein 13 (Nop13p) and similar proteins; This subfamily corresponds to the RRM1 of Nop13p encoded by YNL175c from Saccharomyces cerevisiae. It shares high sequence similarity with nucleolar protein 12 (Nop12p). Both, Nop12p and Nop13p, are not essential for growth. However, unlike Nop12p that is localized to the nucleolus, Nop13p localizes primarily to the nucleolus but is also present in the nucleoplasm to a lesser extent. Nop13p contains two RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains). Pssm-ID: 409830 [Multi-domain] Cd Length: 85 Bit Score: 37.43 E-value: 8.54e-03
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| RRM3_PUB1 | cd12622 | RNA recognition motif 3 (RRM3) found in yeast nuclear and cytoplasmic polyadenylated ... |
2342-2390 | 9.02e-03 | |||||||||
RNA recognition motif 3 (RRM3) found in yeast nuclear and cytoplasmic polyadenylated RNA-binding protein PUB1 and similar proteins; This subfamily corresponds to the RRM3 of yeast protein PUB1, also termed ARS consensus-binding protein ACBP-60, or poly uridylate-binding protein, or poly(U)-binding protein. PUB1 has been identified as both, a heterogeneous nuclear RNA-binding protein (hnRNP) and a cytoplasmic mRNA-binding protein (mRNP), which may be stably bound to a translationally inactive subpopulation of mRNAs within the cytoplasm. PUB1 is distributed in both, the nucleus and the cytoplasm, and binds to poly(A)+ RNA (mRNA or pre-mRNA). Although it is one of the major cellular proteins cross-linked by UV light to polyadenylated RNAs in vivo, PUB1 is nonessential for cell growth in yeast. PUB1 also binds to T-rich single stranded DNA (ssDNA); however, there is no strong evidence implicating PUB1 in the mechanism of DNA replication. PUB1 contains three RNA recognition motifs (RRMs), also termed RBDs (RNA binding domains) or RNPs (ribonucleoprotein domains), and a GAR motif (glycine and arginine rich stretch) that is located between RRM2 and RRM3. Pssm-ID: 410033 [Multi-domain] Cd Length: 74 Bit Score: 37.05 E-value: 9.02e-03
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| RRM_FET | cd12280 | RNA recognition motif (RRM) found in the FET family of RNA-binding proteins; This subfamily ... |
2344-2390 | 9.57e-03 | |||||||||
RNA recognition motif (RRM) found in the FET family of RNA-binding proteins; This subfamily corresponds to the RRM of FET (previously TET) (FUS/TLS, EWS, TAF15) family of RNA-binding proteins. This ubiquitously expressed family of similarly structured proteins predominantly localizing to the nuclear, includes FUS (also known as TLS or Pigpen or hnRNP P2), EWS (also known as EWSR1), TAF15 (also known as hTAFII68 or TAF2N or RPB56), and Drosophila Cabeza (also known as SARFH). The corresponding coding genes of these proteins are involved in deleterious genomic rearrangements with transcription factor genes in a variety of human sarcomas and acute leukemias. All FET proteins interact with each other and are therefore likely to be part of the very same protein complexes, which suggests a general bridging role for FET proteins coupling RNA transcription, processing, transport, and DNA repair. The FET proteins contain multiple copies of a degenerate hexapeptide repeat motif at the N-terminus. The C-terminal region consists of a conserved nuclear import and retention signal (C-NLS), a putative zinc-finger domain, and a conserved RNA recognition motif (RRM), also known as RBD (RNA binding domain) or RNP (ribonucleoprotein domain), which is flanked by 3 arginine-glycine-glycine (RGG) boxes. FUS and EWS might have similar sequence specificity; both bind preferentially to GGUG-containing RNAs. FUS has also been shown to bind strongly to human telomeric RNA and to small low-copy-number RNAs tethered to the promoter of cyclin D1. To date, nothing is known about the RNA binding specificity of TAF15. Pssm-ID: 409722 [Multi-domain] Cd Length: 82 Bit Score: 37.39 E-value: 9.57e-03
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| RRM_RBM7_like | cd12336 | RNA recognition motif (RRM) found in RNA-binding protein 7 (RBM7) and similar proteins; This ... |
2436-2512 | 9.76e-03 | |||||||||
RNA recognition motif (RRM) found in RNA-binding protein 7 (RBM7) and similar proteins; This subfamily corresponds to the RRM of RBM7, RBM11 and their eukaryotic homologous. RBM7 is an ubiquitously expressed pre-mRNA splicing factor that enhances messenger RNA (mRNA) splicing in a cell-specific manner or in a certain developmental process, such as spermatogenesis. It interacts with splicing factors SAP145 (the spliceosomal splicing factor 3b subunit 2) and SRp20, and may play a more specific role in meiosis entry and progression. Together with additional testis-specific RNA-binding proteins, RBM7 may regulate the splicing of specific pre-mRNA species that are important in the meiotic cell cycle. RBM11 is a novel tissue-specific splicing regulator that is selectively expressed in brain, cerebellum and testis, and to a lower extent in kidney. It is localized in the nucleoplasm and enriched in SRSF2-containing splicing speckles. It may play a role in the modulation of alternative splicing during neuron and germ cell differentiation. Both, RBM7 and RBM11, contain an N-terminal RNA recognition motif (RRM), also termed RBD (RNA binding domain) or RNP (ribonucleoprotein domain), and a region lacking known homology at the C-terminus. The RRM is responsible for RNA binding, whereas the C-terminal region permits nuclear localization and homodimerization. Pssm-ID: 409773 [Multi-domain] Cd Length: 75 Bit Score: 37.28 E-value: 9.76e-03
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