ferrous iron transport protein B [Clostridium tetani]
Protein Classification
ferrous iron transporter B( domain architecture ID 11417566)
ferrous iron transporter B is part of an Fe(2+) uptake system that is probably driven by GTP hydrolysis
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||||||||
| FeoB | COG0370 | Fe2+ transporter FeoB [Inorganic ion transport and metabolism]; |
1-666 | 0e+00 | ||||||||||
Fe2+ transporter FeoB [Inorganic ion transport and metabolism]; : Pssm-ID: 440139 [Multi-domain] Cd Length: 662 Bit Score: 994.63 E-value: 0e+00
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| Name | Accession | Description | Interval | E-value | |||||||||||
| FeoB | COG0370 | Fe2+ transporter FeoB [Inorganic ion transport and metabolism]; |
1-666 | 0e+00 | |||||||||||
Fe2+ transporter FeoB [Inorganic ion transport and metabolism]; Pssm-ID: 440139 [Multi-domain] Cd Length: 662 Bit Score: 994.63 E-value: 0e+00
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| feoB | TIGR00437 | ferrous iron transporter FeoB; FeoB (773 amino acids in E. coli), a cytoplasmic membrane ... |
8-633 | 0e+00 | |||||||||||
ferrous iron transporter FeoB; FeoB (773 amino acids in E. coli), a cytoplasmic membrane protein required for iron(II) update, is encoded in an operon with FeoA (75 amino acids), which is also required, and is regulated by Fur. There appear to be two copies in Archaeoglobus fulgidus and Clostridium acetobutylicum. [Transport and binding proteins, Cations and iron carrying compounds] Pssm-ID: 273077 [Multi-domain] Cd Length: 591 Bit Score: 593.64 E-value: 0e+00
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| feoB | PRK09554 | Fe(2+) transporter permease subunit FeoB; |
3-663 | 0e+00 | |||||||||||
Fe(2+) transporter permease subunit FeoB; Pssm-ID: 236563 [Multi-domain] Cd Length: 772 Bit Score: 584.37 E-value: 0e+00
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| FeoB_N | pfam02421 | Ferrous iron transport protein B; Escherichia coli has an iron(II) transport system (feo) ... |
3-156 | 3.58e-99 | |||||||||||
Ferrous iron transport protein B; Escherichia coli has an iron(II) transport system (feo) which may make an important contribution to the iron supply of the cell under anaerobic conditions. FeoB has been identified as part of this transport system. FeoB is a large 700-800 amino acid integral membrane protein. The N terminus contains a P-loop motif suggesting that iron transport may be ATP dependent. Pssm-ID: 460552 [Multi-domain] Cd Length: 156 Bit Score: 300.52 E-value: 3.58e-99
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| FeoB | cd01879 | Ferrous iron transport protein B (FeoB) family; Ferrous iron transport protein B (FeoB) ... |
5-153 | 1.08e-96 | |||||||||||
Ferrous iron transport protein B (FeoB) family; Ferrous iron transport protein B (FeoB) subfamily. E. coli has an iron(II) transport system, known as feo, which may make an important contribution to the iron supply of the cell under anaerobic conditions. FeoB has been identified as part of this transport system. FeoB is a large 700-800 amino acid integral membrane protein. The N terminus contains a P-loop motif suggesting that iron transport may be ATP dependent. Pssm-ID: 206667 [Multi-domain] Cd Length: 159 Bit Score: 293.98 E-value: 1.08e-96
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| Name | Accession | Description | Interval | E-value | |||||||||||
| FeoB | COG0370 | Fe2+ transporter FeoB [Inorganic ion transport and metabolism]; |
1-666 | 0e+00 | |||||||||||
Fe2+ transporter FeoB [Inorganic ion transport and metabolism]; Pssm-ID: 440139 [Multi-domain] Cd Length: 662 Bit Score: 994.63 E-value: 0e+00
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| feoB | TIGR00437 | ferrous iron transporter FeoB; FeoB (773 amino acids in E. coli), a cytoplasmic membrane ... |
8-633 | 0e+00 | |||||||||||
ferrous iron transporter FeoB; FeoB (773 amino acids in E. coli), a cytoplasmic membrane protein required for iron(II) update, is encoded in an operon with FeoA (75 amino acids), which is also required, and is regulated by Fur. There appear to be two copies in Archaeoglobus fulgidus and Clostridium acetobutylicum. [Transport and binding proteins, Cations and iron carrying compounds] Pssm-ID: 273077 [Multi-domain] Cd Length: 591 Bit Score: 593.64 E-value: 0e+00
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| feoB | PRK09554 | Fe(2+) transporter permease subunit FeoB; |
3-663 | 0e+00 | |||||||||||
Fe(2+) transporter permease subunit FeoB; Pssm-ID: 236563 [Multi-domain] Cd Length: 772 Bit Score: 584.37 E-value: 0e+00
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| FeoB_N | pfam02421 | Ferrous iron transport protein B; Escherichia coli has an iron(II) transport system (feo) ... |
3-156 | 3.58e-99 | |||||||||||
Ferrous iron transport protein B; Escherichia coli has an iron(II) transport system (feo) which may make an important contribution to the iron supply of the cell under anaerobic conditions. FeoB has been identified as part of this transport system. FeoB is a large 700-800 amino acid integral membrane protein. The N terminus contains a P-loop motif suggesting that iron transport may be ATP dependent. Pssm-ID: 460552 [Multi-domain] Cd Length: 156 Bit Score: 300.52 E-value: 3.58e-99
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| FeoB | cd01879 | Ferrous iron transport protein B (FeoB) family; Ferrous iron transport protein B (FeoB) ... |
5-153 | 1.08e-96 | |||||||||||
Ferrous iron transport protein B (FeoB) family; Ferrous iron transport protein B (FeoB) subfamily. E. coli has an iron(II) transport system, known as feo, which may make an important contribution to the iron supply of the cell under anaerobic conditions. FeoB has been identified as part of this transport system. FeoB is a large 700-800 amino acid integral membrane protein. The N terminus contains a P-loop motif suggesting that iron transport may be ATP dependent. Pssm-ID: 206667 [Multi-domain] Cd Length: 159 Bit Score: 293.98 E-value: 1.08e-96
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| MMR_HSR1 | pfam01926 | 50S ribosome-binding GTPase; The full-length GTPase protein is required for the complete ... |
3-115 | 1.78e-23 | |||||||||||
50S ribosome-binding GTPase; The full-length GTPase protein is required for the complete activity of the protein of interacting with the 50S ribosome and binding of both adenine and guanine nucleotides, with a preference for guanine nucleotide. Pssm-ID: 460387 [Multi-domain] Cd Length: 113 Bit Score: 95.76 E-value: 1.78e-23
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| Era_like | cd00880 | E. coli Ras-like protein (Era)-like GTPase; The Era (E. coli Ras-like protein)-like family ... |
5-156 | 2.69e-22 | |||||||||||
E. coli Ras-like protein (Era)-like GTPase; The Era (E. coli Ras-like protein)-like family includes several distinct subfamilies (TrmE/ThdF, FeoB, YihA (EngB), Era, and EngA/YfgK) that generally show sequence conservation in the region between the Walker A and B motifs (G1 and G3 box motifs), to the exclusion of other GTPases. TrmE is ubiquitous in bacteria and is a widespread mitochondrial protein in eukaryotes, but is absent from archaea. The yeast member of TrmE family, MSS1, is involved in mitochondrial translation; bacterial members are often present in translation-related operons. FeoB represents an unusual adaptation of GTPases for high-affinity iron (II) transport. YihA (EngB) family of GTPases is typified by the E. coli YihA, which is an essential protein involved in cell division control. Era is characterized by a distinct derivative of the KH domain (the pseudo-KH domain) which is located C-terminal to the GTPase domain. EngA and its orthologs are composed of two GTPase domains and, since the sequences of the two domains are more similar to each other than to other GTPases, it is likely that an ancient gene duplication, rather than a fusion of evolutionarily distinct GTPases, gave rise to this family. Pssm-ID: 206646 [Multi-domain] Cd Length: 161 Bit Score: 93.85 E-value: 2.69e-22
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| Ras_like_GTPase | cd00882 | Rat sarcoma (Ras)-like superfamily of small guanosine triphosphatases (GTPases); Ras-like ... |
5-156 | 1.46e-17 | |||||||||||
Rat sarcoma (Ras)-like superfamily of small guanosine triphosphatases (GTPases); Ras-like GTPase superfamily. The Ras-like superfamily of small GTPases consists of several families with an extremely high degree of structural and functional similarity. The Ras superfamily is divided into at least four families in eukaryotes: the Ras, Rho, Rab, and Sar1/Arf families. This superfamily also includes proteins like the GTP translation factors, Era-like GTPases, and G-alpha chain of the heterotrimeric G proteins. Members of the Ras superfamily regulate a wide variety of cellular functions: the Ras family regulates gene expression, the Rho family regulates cytoskeletal reorganization and gene expression, the Rab and Sar1/Arf families regulate vesicle trafficking, and the Ran family regulates nucleocytoplasmic transport and microtubule organization. The GTP translation factor family regulates initiation, elongation, termination, and release in translation, and the Era-like GTPase family regulates cell division, sporulation, and DNA replication. Members of the Ras superfamily are identified by the GTP binding site, which is made up of five characteristic sequence motifs, and the switch I and switch II regions. Pssm-ID: 206648 [Multi-domain] Cd Length: 161 Bit Score: 80.19 E-value: 1.46e-17
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| FeoB_C | pfam07664 | Ferrous iron transport protein B C terminus; Escherichia coli has an iron(II) transport system ... |
455-504 | 3.54e-17 | |||||||||||
Ferrous iron transport protein B C terminus; Escherichia coli has an iron(II) transport system (feo) which may make an important contribution to the iron supply of the cell under anaerobic conditions. FeoB has been identified as part of this transport system. FeoB is a large 700-800 amino acid integral membrane protein. The N-terminus has been previously erroneously described as being ATP-binding. Recent work shows that it is similar to eukaryotic G-proteins and that it is a GTPase. Pssm-ID: 462224 [Multi-domain] Cd Length: 51 Bit Score: 75.52 E-value: 3.54e-17
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| FeoB_Cyto | pfam17910 | FeoB cytosolic helical domain; FeoB is a G-protein coupled membrane protein essential for Fe ... |
173-261 | 5.26e-16 | |||||||||||
FeoB cytosolic helical domain; FeoB is a G-protein coupled membrane protein essential for Fe(II) uptake in prokaryotes. In the structures, a canonical G-protein domain (G domain) is followed by a helical bundle domain (S-domain) which is represented by this entry. Pssm-ID: 465561 [Multi-domain] Cd Length: 90 Bit Score: 73.43 E-value: 5.26e-16
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| Gate | pfam07670 | Nucleoside recognition; This region in the nucleoside transporter proteins are responsible for ... |
350-443 | 1.23e-15 | |||||||||||
Nucleoside recognition; This region in the nucleoside transporter proteins are responsible for determining nucleoside specificity in the human CNT1 and CNT2 proteins. In the FeoB proteins, which are believed to be Fe2+ transporters, it includes the membrane pore region, so the function of this region is likely to be more general than just nucleoside specificity. This family may represent the pore and gate, with a wide potential range of specificity. Hence its name 'Gate'. Pssm-ID: 429586 [Multi-domain] Cd Length: 101 Bit Score: 72.67 E-value: 1.23e-15
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| EngA1 | cd01894 | EngA1 GTPase contains the first domain of EngA; This EngA1 subfamily CD represents the first ... |
5-161 | 3.08e-14 | |||||||||||
EngA1 GTPase contains the first domain of EngA; This EngA1 subfamily CD represents the first GTPase domain of EngA and its orthologs, which are composed of two adjacent GTPase domains. Since the sequences of the two domains are more similar to each other than to other GTPases, it is likely that an ancient gene duplication, rather than a fusion of evolutionarily distinct GTPases, gave rise to this family. Although the exact function of these proteins has not been elucidated, studies have revealed that the E. coli EngA homolog, Der, and Neisseria gonorrhoeae EngA are essential for cell viability. A recent report suggests that E. coli Der functions in ribosome assembly and stability. Pssm-ID: 206681 [Multi-domain] Cd Length: 157 Bit Score: 70.54 E-value: 3.08e-14
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| Obg_like | cd01881 | Obg-like family of GTPases consist of five subfamilies: Obg, DRG, YyaF/YchF, Ygr210, and NOG1; ... |
5-156 | 1.69e-13 | |||||||||||
Obg-like family of GTPases consist of five subfamilies: Obg, DRG, YyaF/YchF, Ygr210, and NOG1; The Obg-like subfamily consists of five well-delimited, ancient subfamilies, namely Obg, DRG, YyaF/YchF, Ygr210, and NOG1. Four of these groups (Obg, DRG, YyaF/YchF, and Ygr210) are characterized by a distinct glycine-rich motif immediately following the Walker B motif (G3 box). Obg/CgtA is an essential gene that is involved in the initiation of sporulation and DNA replication in the bacteria Caulobacter and Bacillus, but its exact molecular role is unknown. Furthermore, several OBG family members possess a C-terminal RNA-binding domain, the TGS domain, which is also present in threonyl-tRNA synthetase and in bacterial guanosine polyphosphatase SpoT. Nog1 is a nucleolar protein that might function in ribosome assembly. The DRG and Nog1 subfamilies are ubiquitous in archaea and eukaryotes, the Ygr210 subfamily is present in archaea and fungi, and the Obg and YyaF/YchF subfamilies are ubiquitous in bacteria and eukaryotes. The Obg/Nog1 and DRG subfamilies appear to form one major branch of the Obg family and the Ygr210 and YchF subfamilies form another branch. No GEFs, GAPs, or GDIs for Obg have been identified. Pssm-ID: 206668 [Multi-domain] Cd Length: 167 Bit Score: 68.96 E-value: 1.69e-13
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| EngA2 | cd01895 | EngA2 GTPase contains the second domain of EngA; This EngA2 subfamily CD represents the second ... |
4-159 | 8.25e-13 | |||||||||||
EngA2 GTPase contains the second domain of EngA; This EngA2 subfamily CD represents the second GTPase domain of EngA and its orthologs, which are composed of two adjacent GTPase domains. Since the sequences of the two domains are more similar to each other than to other GTPases, it is likely that an ancient gene duplication, rather than a fusion of evolutionarily distinct GTPases, gave rise to this family. Although the exact function of these proteins has not been elucidated, studies have revealed that the E. coli EngA homolog, Der, and Neisseria gonorrhoeae EngA are essential for cell viability. A recent report suggests that E. coli Der functions in ribosome assembly and stability. Pssm-ID: 206682 [Multi-domain] Cd Length: 174 Bit Score: 67.07 E-value: 8.25e-13
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| Der | COG1160 | Double Era-like domain GTPase Der [Translation, ribosomal structure and biogenesis]; |
1-165 | 1.36e-12 | |||||||||||
Double Era-like domain GTPase Der [Translation, ribosomal structure and biogenesis]; Pssm-ID: 440774 [Multi-domain] Cd Length: 438 Bit Score: 70.05 E-value: 1.36e-12
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| Gate | pfam07670 | Nucleoside recognition; This region in the nucleoside transporter proteins are responsible for ... |
512-634 | 5.29e-12 | |||||||||||
Nucleoside recognition; This region in the nucleoside transporter proteins are responsible for determining nucleoside specificity in the human CNT1 and CNT2 proteins. In the FeoB proteins, which are believed to be Fe2+ transporters, it includes the membrane pore region, so the function of this region is likely to be more general than just nucleoside specificity. This family may represent the pore and gate, with a wide potential range of specificity. Hence its name 'Gate'. Pssm-ID: 429586 [Multi-domain] Cd Length: 101 Bit Score: 62.66 E-value: 5.29e-12
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| PRK00093 | PRK00093 | GTP-binding protein Der; Reviewed |
1-171 | 1.69e-10 | |||||||||||
GTP-binding protein Der; Reviewed Pssm-ID: 234628 [Multi-domain] Cd Length: 435 Bit Score: 63.53 E-value: 1.69e-10
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| Obg | cd01898 | Obg GTPase; The Obg nucleotide binding protein subfamily has been implicated in stress ... |
6-161 | 2.39e-10 | |||||||||||
Obg GTPase; The Obg nucleotide binding protein subfamily has been implicated in stress response, chromosome partitioning, replication initiation, mycelium development, and sporulation. Obg proteins are among a large group of GTP binding proteins conserved from bacteria to humans. The E. coli homolog, ObgE is believed to function in ribosomal biogenesis. Members of the subfamily contain two equally and highly conserved domains, a C-terminal GTP binding domain and an N-terminal glycine-rich domain. Pssm-ID: 206685 [Multi-domain] Cd Length: 170 Bit Score: 59.75 E-value: 2.39e-10
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| Gem1 | COG1100 | GTPase SAR1 family domain [General function prediction only]; |
5-156 | 2.07e-09 | |||||||||||
GTPase SAR1 family domain [General function prediction only]; Pssm-ID: 440717 [Multi-domain] Cd Length: 177 Bit Score: 57.30 E-value: 2.07e-09
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| PRK00093 | PRK00093 | GTP-binding protein Der; Reviewed |
4-159 | 3.27e-09 | |||||||||||
GTP-binding protein Der; Reviewed Pssm-ID: 234628 [Multi-domain] Cd Length: 435 Bit Score: 59.68 E-value: 3.27e-09
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| DRG | cd01896 | Developmentally Regulated GTP-binding protein (DRG); The developmentally regulated GTP-binding ... |
2-93 | 3.51e-09 | |||||||||||
Developmentally Regulated GTP-binding protein (DRG); The developmentally regulated GTP-binding protein (DRG) subfamily is an uncharacterized member of the Obg family, an evolutionary branch of GTPase superfamily proteins. GTPases act as molecular switches regulating diverse cellular processes. DRG2 and DRG1 comprise the DRG subfamily in eukaryotes. In view of their widespread expression in various tissues and high conservation among distantly related species in eukaryotes and archaea, DRG proteins may regulate fundamental cellular processes. It is proposed that the DRG subfamily proteins play their physiological roles through RNA binding. Pssm-ID: 206683 [Multi-domain] Cd Length: 233 Bit Score: 57.56 E-value: 3.51e-09
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| SR_beta | cd04105 | Signal recognition particle receptor, beta subunit (SR-beta), together with SR-alpha, forms ... |
2-136 | 9.16e-09 | |||||||||||
Signal recognition particle receptor, beta subunit (SR-beta), together with SR-alpha, forms the heterodimeric signal recognition particle (SRP); Signal recognition particle receptor, beta subunit (SR-beta). SR-beta and SR-alpha form the heterodimeric signal recognition particle (SRP or SR) receptor that binds SRP to regulate protein translocation across the ER membrane. Nascent polypeptide chains are synthesized with an N-terminal hydrophobic signal sequence that binds SRP54, a component of the SRP. SRP directs targeting of the ribosome-nascent chain complex (RNC) to the ER membrane via interaction with the SR, which is localized to the ER membrane. The RNC is then transferred to the protein-conducting channel, or translocon, which facilitates polypeptide translation across the ER membrane or integration into the ER membrane. SR-beta is found only in eukaryotes; it is believed to control the release of the signal sequence from SRP54 upon binding of the ribosome to the translocon. High expression of SR-beta has been observed in human colon cancer, suggesting it may play a role in the development of this type of cancer. Pssm-ID: 206691 [Multi-domain] Cd Length: 202 Bit Score: 55.79 E-value: 9.16e-09
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| small_GTP | TIGR00231 | small GTP-binding protein domain; Proteins with a small GTP-binding domain recognized by this ... |
5-156 | 1.09e-08 | |||||||||||
small GTP-binding protein domain; Proteins with a small GTP-binding domain recognized by this model include Ras, RhoA, Rab11, translation elongation factor G, translation initiation factor IF-2, tetratcycline resistance protein TetM, CDC42, Era, ADP-ribosylation factors, tdhF, and many others. In some proteins the domain occurs more than once.This model recognizes a large number of small GTP-binding proteins and related domains in larger proteins. Note that the alpha chains of heterotrimeric G proteins are larger proteins in which the NKXD motif is separated from the GxxxxGK[ST] motif (P-loop) by a long insert and are not easily detected by this model. [Unknown function, General] Pssm-ID: 272973 [Multi-domain] Cd Length: 162 Bit Score: 54.69 E-value: 1.09e-08
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| YihA_EngB | cd01876 | YihA (EngB) GTPase family; The YihA (EngB) subfamily of GTPases is typified by the E. coli ... |
4-156 | 2.44e-08 | |||||||||||
YihA (EngB) GTPase family; The YihA (EngB) subfamily of GTPases is typified by the E. coli YihA, an essential protein involved in cell division control. YihA and its orthologs are small proteins that typically contain less than 200 amino acid residues and consists of the GTPase domain only (some of the eukaryotic homologs contain an N-terminal extension of about 120 residues that might be involved in organellar targeting). Homologs of yihA are found in most Gram-positive and Gram-negative pathogenic bacteria, with the exception of Mycobacterium tuberculosis. The broad-spectrum nature of YihA and its essentiality for cell viability in bacteria make it an attractive antibacterial target. Pssm-ID: 206665 [Multi-domain] Cd Length: 170 Bit Score: 54.05 E-value: 2.44e-08
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| PRK04213 | PRK04213 | GTP-binding protein EngB; |
1-146 | 2.74e-08 | |||||||||||
GTP-binding protein EngB; Pssm-ID: 179790 [Multi-domain] Cd Length: 201 Bit Score: 54.54 E-value: 2.74e-08
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| PRK09518 | PRK09518 | bifunctional cytidylate kinase/GTPase Der; Reviewed |
3-159 | 4.50e-08 | |||||||||||
bifunctional cytidylate kinase/GTPase Der; Reviewed Pssm-ID: 236546 [Multi-domain] Cd Length: 712 Bit Score: 56.34 E-value: 4.50e-08
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| Der | COG1160 | Double Era-like domain GTPase Der [Translation, ribosomal structure and biogenesis]; |
4-190 | 1.09e-07 | |||||||||||
Double Era-like domain GTPase Der [Translation, ribosomal structure and biogenesis]; Pssm-ID: 440774 [Multi-domain] Cd Length: 438 Bit Score: 54.64 E-value: 1.09e-07
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| NOG | cd01897 | Nucleolar GTP-binding protein (NOG); NOG1 is a nucleolar GTP-binding protein present in ... |
3-159 | 2.00e-07 | |||||||||||
Nucleolar GTP-binding protein (NOG); NOG1 is a nucleolar GTP-binding protein present in eukaryotes ranging from trypanosomes to humans. NOG1 is functionally linked to ribosome biogenesis and found in association with the nuclear pore complexes and identified in many preribosomal complexes. Thus, defects in NOG1 can lead to defects in 60S biogenesis. The S. cerevisiae NOG1 gene is essential for cell viability, and mutations in the predicted G motifs abrogate function. It is a member of the ODN family of GTP-binding proteins that also includes the bacterial Obg and DRG proteins. Pssm-ID: 206684 [Multi-domain] Cd Length: 167 Bit Score: 51.02 E-value: 2.00e-07
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| SRPRB | pfam09439 | Signal recognition particle receptor beta subunit; The beta subunit of the signal recognition ... |
3-136 | 3.54e-07 | |||||||||||
Signal recognition particle receptor beta subunit; The beta subunit of the signal recognition particle receptor (SRP) is a transmembrane GTPase which anchors the alpha subunit to the endoplasmic reticulum membrane. Pssm-ID: 462797 [Multi-domain] Cd Length: 181 Bit Score: 50.90 E-value: 3.54e-07
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| HflX | cd01878 | HflX GTPase family; HflX subfamily. A distinct conserved domain with a glycine-rich segment ... |
1-158 | 4.43e-07 | |||||||||||
HflX GTPase family; HflX subfamily. A distinct conserved domain with a glycine-rich segment N-terminal of the GTPase domain characterizes the HflX subfamily. The E. coli HflX has been implicated in the control of the lambda cII repressor proteolysis, but the actual biological functions of these GTPases remain unclear. HflX is widespread, but not universally represented in all three superkingdoms. Pssm-ID: 206666 [Multi-domain] Cd Length: 204 Bit Score: 50.92 E-value: 4.43e-07
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| YeeP | COG3596 | Predicted GTPase [General function prediction only]; |
3-119 | 2.15e-06 | |||||||||||
Predicted GTPase [General function prediction only]; Pssm-ID: 442815 [Multi-domain] Cd Length: 318 Bit Score: 50.15 E-value: 2.15e-06
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| IF2_eIF5B | cd01887 | Initiation Factor 2 (IF2)/ eukaryotic Initiation Factor 5B (eIF5B) family; IF2/eIF5B ... |
13-154 | 7.67e-06 | |||||||||||
Initiation Factor 2 (IF2)/ eukaryotic Initiation Factor 5B (eIF5B) family; IF2/eIF5B contribute to ribosomal subunit joining and function as GTPases that are maximally activated by the presence of both ribosomal subunits. As seen in other GTPases, IF2/IF5B undergoes conformational changes between its GTP- and GDP-bound states. Eukaryotic IF2/eIF5Bs possess three characteristic segments, including a divergent N-terminal region followed by conserved central and C-terminal segments. This core region is conserved among all known eukaryotic and archaeal IF2/eIF5Bs and eubacterial IF2s. Pssm-ID: 206674 [Multi-domain] Cd Length: 169 Bit Score: 46.70 E-value: 7.67e-06
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| GTP_EFTU | pfam00009 | Elongation factor Tu GTP binding domain; This domain contains a P-loop motif, also found in ... |
4-154 | 1.91e-05 | |||||||||||
Elongation factor Tu GTP binding domain; This domain contains a P-loop motif, also found in several other families such as pfam00071, pfam00025 and pfam00063. Elongation factor Tu consists of three structural domains, this plus two C-terminal beta barrel domains. Pssm-ID: 425418 [Multi-domain] Cd Length: 187 Bit Score: 45.98 E-value: 1.91e-05
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| HflX | COG2262 | 50S ribosomal subunit-associated GTPase HflX [Translation, ribosomal structure and biogenesis]; ... |
3-164 | 4.54e-05 | |||||||||||
50S ribosomal subunit-associated GTPase HflX [Translation, ribosomal structure and biogenesis]; Pssm-ID: 441863 [Multi-domain] Cd Length: 419 Bit Score: 46.23 E-value: 4.54e-05
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| PRK09518 | PRK09518 | bifunctional cytidylate kinase/GTPase Der; Reviewed |
5-118 | 5.57e-05 | |||||||||||
bifunctional cytidylate kinase/GTPase Der; Reviewed Pssm-ID: 236546 [Multi-domain] Cd Length: 712 Bit Score: 46.33 E-value: 5.57e-05
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| trmE | cd04164 | trmE is a tRNA modification GTPase; TrmE (MnmE, ThdF, MSS1) is a 3-domain protein found in ... |
5-156 | 8.11e-05 | |||||||||||
trmE is a tRNA modification GTPase; TrmE (MnmE, ThdF, MSS1) is a 3-domain protein found in bacteria and eukaryotes. It controls modification of the uridine at the wobble position (U34) of tRNAs that read codons ending with A or G in the mixed codon family boxes. TrmE contains a GTPase domain that forms a canonical Ras-like fold. It functions a molecular switch GTPase, and apparently uses a conformational change associated with GTP hydrolysis to promote the tRNA modification reaction, in which the conserved cysteine in the C-terminal domain is thought to function as a catalytic residue. In bacteria that are able to survive in extremely low pH conditions, TrmE regulates glutamate-dependent acid resistance. Pssm-ID: 206727 [Multi-domain] Cd Length: 159 Bit Score: 43.25 E-value: 8.11e-05
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| YlqF | cd01856 | Circularly permuted YlqF GTPase; Proteins of the YlqF family contain all sequence motifs ... |
7-57 | 8.62e-05 | |||||||||||
Circularly permuted YlqF GTPase; Proteins of the YlqF family contain all sequence motifs typical of the vast class of P-loop-containing GTPases, but show a circular permutation, with a G4-G1-G3 pattern of motifs as opposed to the regular G1-G3-G4 pattern seen in most GTPases. The YlqF subfamily is represented in all eukaryotes as well as a phylogenetically diverse array of bacteria (including gram-positive bacteria, proteobacteria, Synechocystis, Borrelia, and Thermotoga). Pssm-ID: 206749 [Multi-domain] Cd Length: 171 Bit Score: 43.67 E-value: 8.62e-05
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| Ygr210 | cd01899 | Ygr210 GTPase; Ygr210 is a member of Obg-like family and present in archaea and fungi. They ... |
5-37 | 2.96e-04 | |||||||||||
Ygr210 GTPase; Ygr210 is a member of Obg-like family and present in archaea and fungi. They are characterized by a distinct glycine-rich motif immediately following the Walker B motif. The Ygr210 and YyaF/YchF subfamilies appear to form one major branch of the Obg-like family. Among eukaryotes, the Ygr210 subfamily is represented only in fungi. These fungal proteins form a tight cluster with their archaeal orthologs, which suggests the possibility of horizontal transfer from archaea to fungi. Pssm-ID: 206686 [Multi-domain] Cd Length: 318 Bit Score: 43.37 E-value: 2.96e-04
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| YfjP | cd11383 | YfjP GTPase; The Era (E. coli Ras-like protein)-like YfjP subfamily includes several ... |
5-154 | 3.67e-04 | |||||||||||
YfjP GTPase; The Era (E. coli Ras-like protein)-like YfjP subfamily includes several uncharacterized bacterial GTPases that are similar to Era. They generally show sequence conservation in the region between the Walker A and B motifs (G1 and G3 box motifs), to the exclusion of other GTPases. Era is characterized by a distinct derivative of the KH domain (the pseudo-KH domain) which is located C-terminal to the GTPase domain. Pssm-ID: 206743 [Multi-domain] Cd Length: 140 Bit Score: 41.17 E-value: 3.67e-04
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| PRK09602 | PRK09602 | translation-associated GTPase; Reviewed |
1-37 | 4.28e-04 | |||||||||||
translation-associated GTPase; Reviewed Pssm-ID: 236584 [Multi-domain] Cd Length: 396 Bit Score: 43.26 E-value: 4.28e-04
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| EF-G_bact | cd04170 | Elongation factor G (EF-G) family; Translocation is mediated by EF-G (also called translocase). ... |
3-156 | 4.51e-04 | |||||||||||
Elongation factor G (EF-G) family; Translocation is mediated by EF-G (also called translocase). The structure of EF-G closely resembles that of the complex between EF-Tu and tRNA. This is an example of molecular mimicry; a protein domain evolved so that it mimics the shape of a tRNA molecule. EF-G in the GTP form binds to the ribosome, primarily through the interaction of its EF-Tu-like domain with the 50S subunit. The binding of EF-G to the ribosome in this manner stimulates the GTPase activity of EF-G. On GTP hydrolysis, EF-G undergoes a conformational change that forces its arm deeper into the A site on the 30S subunit. To accommodate this domain, the peptidyl-tRNA in the A site moves to the P site, carrying the mRNA and the deacylated tRNA with it. The ribosome may be prepared for these rearrangements by the initial binding of EF-G as well. The dissociation of EF-G leaves the ribosome ready to accept the next aminoacyl-tRNA into the A site. This group contains only bacterial members. Pssm-ID: 206733 [Multi-domain] Cd Length: 268 Bit Score: 42.58 E-value: 4.51e-04
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| GTP_translation_factor | cd00881 | GTP translation factor family primarily contains translation initiation, elongation and ... |
3-162 | 1.15e-03 | |||||||||||
GTP translation factor family primarily contains translation initiation, elongation and release factors; The GTP translation factor family consists primarily of translation initiation, elongation, and release factors, which play specific roles in protein translation. In addition, the family includes Snu114p, a component of the U5 small nuclear riboprotein particle which is a component of the spliceosome and is involved in excision of introns, TetM, a tetracycline resistance gene that protects the ribosome from tetracycline binding, and the unusual subfamily CysN/ATPS, which has an unrelated function (ATP sulfurylase) acquired through lateral transfer of the EF1-alpha gene and development of a new function. Pssm-ID: 206647 [Multi-domain] Cd Length: 183 Bit Score: 40.36 E-value: 1.15e-03
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| PRK03003 | PRK03003 | GTP-binding protein Der; Reviewed |
3-90 | 1.17e-03 | |||||||||||
GTP-binding protein Der; Reviewed Pssm-ID: 179525 [Multi-domain] Cd Length: 472 Bit Score: 41.88 E-value: 1.17e-03
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| YqeH | cd01855 | Circularly permuted YqeH GTPase; YqeH is an essential GTP-binding protein. Depletion of YqeH ... |
6-57 | 1.42e-03 | |||||||||||
Circularly permuted YqeH GTPase; YqeH is an essential GTP-binding protein. Depletion of YqeH induces an excess initiation of DNA replication, suggesting that it negatively controls initiation of chromosome replication. The YqeH subfamily is common in eukaryotes and sporadically present in bacteria with probable acquisition by plants from chloroplasts. Proteins of the YqeH family contain all sequence motifs typical of the vast class of P-loop-containing GTPases, but show a circular permutation, with a G4-G1-G3 pattern of motifs as opposed to the regular G1-G3-G4 pattern seen in most GTPases. Pssm-ID: 206748 [Multi-domain] Cd Length: 191 Bit Score: 40.33 E-value: 1.42e-03
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| Arf_Arl | cd00878 | ADP-ribosylation factor(Arf)/Arf-like (Arl) small GTPases; Arf (ADP-ribosylation factor)/Arl ... |
6-155 | 2.83e-03 | |||||||||||
ADP-ribosylation factor(Arf)/Arf-like (Arl) small GTPases; Arf (ADP-ribosylation factor)/Arl (Arf-like) small GTPases. Arf proteins are activators of phospholipase D isoforms. Unlike Ras proteins they lack cysteine residues at their C-termini and therefore are unlikely to be prenylated. Arfs are N-terminally myristoylated. Members of the Arf family are regulators of vesicle formation in intracellular traffic that interact reversibly with membranes of the secretory and endocytic compartments in a GTP-dependent manner. They depart from other small GTP-binding proteins by a unique structural device, interswitch toggle, that implements front-back communication from N-terminus to the nucleotide binding site. Arf-like (Arl) proteins are close relatives of the Arf, but only Arl1 has been shown to function in membrane traffic like the Arf proteins. Arl2 has an unrelated function in the folding of native tubulin, and Arl4 may function in the nucleus. Most other Arf family proteins are so far relatively poorly characterized. Thus, despite their significant sequence homologies, Arf family proteins may regulate unrelated functions. Pssm-ID: 206644 [Multi-domain] Cd Length: 158 Bit Score: 38.71 E-value: 2.83e-03
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| PTZ00258 | PTZ00258 | GTP-binding protein; Provisional |
6-51 | 6.06e-03 | |||||||||||
GTP-binding protein; Provisional Pssm-ID: 240334 [Multi-domain] Cd Length: 390 Bit Score: 39.54 E-value: 6.06e-03
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| Era | cd04163 | E. coli Ras-like protein (Era) is a multifunctional GTPase; Era (E. coli Ras-like protein) is ... |
5-156 | 8.26e-03 | |||||||||||
E. coli Ras-like protein (Era) is a multifunctional GTPase; Era (E. coli Ras-like protein) is a multifunctional GTPase found in all bacteria except some eubacteria. It binds to the 16S ribosomal RNA (rRNA) of the 30S subunit and appears to play a role in the assembly of the 30S subunit, possibly by chaperoning the 16S rRNA. It also contacts several assembly elements of the 30S subunit. Era couples cell growth with cytokinesis and plays a role in cell division and energy metabolism. Homologs have also been found in eukaryotes. Era contains two domains: the N-terminal GTPase domain and a C-terminal domain KH domain that is critical for RNA binding. Both domains are important for Era function. Era is functionally able to compensate for deletion of RbfA, a cold-shock adaptation protein that is required for efficient processing of the 16S rRNA. Pssm-ID: 206726 [Multi-domain] Cd Length: 168 Bit Score: 37.83 E-value: 8.26e-03
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| MJ1464 | cd01859 | An uncharacterized, circularly permuted subfamily of the Ras GTPases; This family represents ... |
5-57 | 8.39e-03 | |||||||||||
An uncharacterized, circularly permuted subfamily of the Ras GTPases; This family represents archaeal GTPase typified by the protein MJ1464 from Methanococcus jannaschii. The members of this family show a circular permutation of the GTPase signature motifs so that C-terminal strands 5, 6, and 7 (strands 6 contain the NKxD motif) are relocated to the N terminus. Pssm-ID: 206752 [Multi-domain] Cd Length: 157 Bit Score: 37.68 E-value: 8.39e-03
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