MULTISPECIES: leucine-rich repeat protein [unclassified Calothrix]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||||
| RocCOR | cd09914 | Ras of complex proteins (Roc) C-terminal of Roc (COR) domain family; RocCOR (or Roco) protein ... |
470-627 | 1.83e-78 | |||||||
Ras of complex proteins (Roc) C-terminal of Roc (COR) domain family; RocCOR (or Roco) protein family is characterized by a superdomain containing a Ras-like GTPase domain, called Roc (Ras of complex proteins), and a characteristic second domain called COR (C-terminal of Roc). A kinase domain and diverse regulatory domains are also often found in Roco proteins. Their functions are diverse; in Dictyostelium discoideum, which encodes 11 Roco proteins, they are involved in cell division, chemotaxis and development, while in human, where 4 Roco proteins (LRRK1, LRRK2, DAPK1, and MFHAS1) are encoded, these proteins are involved in epilepsy and cancer. Mutations in LRRK2 (leucine-rich repeat kinase 2) are known to cause familial Parkinson's disease. : Pssm-ID: 206741 [Multi-domain] Cd Length: 161 Bit Score: 254.18 E-value: 1.83e-78
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| COR | pfam16095 | C-terminal of Roc, COR, domain; The C-terminal of Roc domain, COR, along with Roc functions as ... |
639-831 | 5.38e-64 | |||||||
C-terminal of Roc, COR, domain; The C-terminal of Roc domain, COR, along with Roc functions as the putative regulator of kinase activity. It functions as a proper GTP-binding protein with a low GTPase activity somehow stimulating the kinase activity. : Pssm-ID: 406489 Cd Length: 196 Bit Score: 215.19 E-value: 5.38e-64
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
105-515 | 6.19e-62 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; : Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 217.49 E-value: 6.19e-62
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| PPP1R42 super family | cl42388 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
34-166 | 6.95e-05 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. The actual alignment was detected with superfamily member cd21340: Pssm-ID: 455733 [Multi-domain] Cd Length: 220 Bit Score: 45.55 E-value: 6.95e-05
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| Name | Accession | Description | Interval | E-value | |||||||
| RocCOR | cd09914 | Ras of complex proteins (Roc) C-terminal of Roc (COR) domain family; RocCOR (or Roco) protein ... |
470-627 | 1.83e-78 | |||||||
Ras of complex proteins (Roc) C-terminal of Roc (COR) domain family; RocCOR (or Roco) protein family is characterized by a superdomain containing a Ras-like GTPase domain, called Roc (Ras of complex proteins), and a characteristic second domain called COR (C-terminal of Roc). A kinase domain and diverse regulatory domains are also often found in Roco proteins. Their functions are diverse; in Dictyostelium discoideum, which encodes 11 Roco proteins, they are involved in cell division, chemotaxis and development, while in human, where 4 Roco proteins (LRRK1, LRRK2, DAPK1, and MFHAS1) are encoded, these proteins are involved in epilepsy and cancer. Mutations in LRRK2 (leucine-rich repeat kinase 2) are known to cause familial Parkinson's disease. Pssm-ID: 206741 [Multi-domain] Cd Length: 161 Bit Score: 254.18 E-value: 1.83e-78
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| COR | pfam16095 | C-terminal of Roc, COR, domain; The C-terminal of Roc domain, COR, along with Roc functions as ... |
639-831 | 5.38e-64 | |||||||
C-terminal of Roc, COR, domain; The C-terminal of Roc domain, COR, along with Roc functions as the putative regulator of kinase activity. It functions as a proper GTP-binding protein with a low GTPase activity somehow stimulating the kinase activity. Pssm-ID: 406489 Cd Length: 196 Bit Score: 215.19 E-value: 5.38e-64
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
105-515 | 6.19e-62 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 217.49 E-value: 6.19e-62
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| PLN00113 | PLN00113 | leucine-rich repeat receptor-like protein kinase; Provisional |
59-441 | 8.99e-51 | |||||||
leucine-rich repeat receptor-like protein kinase; Provisional Pssm-ID: 215061 [Multi-domain] Cd Length: 968 Bit Score: 195.07 E-value: 8.99e-51
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| Roc | pfam08477 | Ras of Complex, Roc, domain of DAPkinase; Roc, or Ras of Complex, proteins are mitochondrial ... |
472-585 | 3.10e-45 | |||||||
Ras of Complex, Roc, domain of DAPkinase; Roc, or Ras of Complex, proteins are mitochondrial Rho proteins (Miro-1, and Miro-2) and atypical Rho GTPases. Full-length proteins have a unique domain organization, with tandem GTP-binding domains and two EF hand domains (pfam00036) that may bind calcium. They are also larger than classical small GTPases. It has been proposed that they are involved in mitochondrial homeostasis and apoptosis. Pssm-ID: 462490 [Multi-domain] Cd Length: 114 Bit Score: 158.44 E-value: 3.10e-45
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| Gem1 | COG1100 | GTPase SAR1 family domain [General function prediction only]; |
468-636 | 1.09e-41 | |||||||
GTPase SAR1 family domain [General function prediction only]; Pssm-ID: 440717 [Multi-domain] Cd Length: 177 Bit Score: 150.90 E-value: 1.09e-41
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
217-395 | 1.28e-34 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 132.22 E-value: 1.28e-34
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| RAB | smart00175 | Rab subfamily of small GTPases; Rab GTPases are implicated in vesicle trafficking. |
472-628 | 3.65e-19 | |||||||
Rab subfamily of small GTPases; Rab GTPases are implicated in vesicle trafficking. Pssm-ID: 197555 [Multi-domain] Cd Length: 164 Bit Score: 85.64 E-value: 3.65e-19
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| small_GTP | TIGR00231 | small GTP-binding protein domain; Proteins with a small GTP-binding domain recognized by this ... |
470-621 | 1.03e-12 | |||||||
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: 67.01 E-value: 1.03e-12
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| LRR_8 | pfam13855 | Leucine rich repeat; |
379-437 | 3.11e-10 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 56.76 E-value: 3.11e-10
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| PLN03110 | PLN03110 | Rab GTPase; Provisional |
472-628 | 3.14e-10 | |||||||
Rab GTPase; Provisional Pssm-ID: 178657 [Multi-domain] Cd Length: 216 Bit Score: 61.10 E-value: 3.14e-10
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
34-166 | 6.95e-05 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 45.55 E-value: 6.95e-05
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
21-159 | 3.07e-03 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 41.73 E-value: 3.07e-03
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| LRR_8 | pfam13855 | Leucine rich repeat; |
64-138 | 8.48e-03 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 35.96 E-value: 8.48e-03
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| Name | Accession | Description | Interval | E-value | |||||||
| RocCOR | cd09914 | Ras of complex proteins (Roc) C-terminal of Roc (COR) domain family; RocCOR (or Roco) protein ... |
470-627 | 1.83e-78 | |||||||
Ras of complex proteins (Roc) C-terminal of Roc (COR) domain family; RocCOR (or Roco) protein family is characterized by a superdomain containing a Ras-like GTPase domain, called Roc (Ras of complex proteins), and a characteristic second domain called COR (C-terminal of Roc). A kinase domain and diverse regulatory domains are also often found in Roco proteins. Their functions are diverse; in Dictyostelium discoideum, which encodes 11 Roco proteins, they are involved in cell division, chemotaxis and development, while in human, where 4 Roco proteins (LRRK1, LRRK2, DAPK1, and MFHAS1) are encoded, these proteins are involved in epilepsy and cancer. Mutations in LRRK2 (leucine-rich repeat kinase 2) are known to cause familial Parkinson's disease. Pssm-ID: 206741 [Multi-domain] Cd Length: 161 Bit Score: 254.18 E-value: 1.83e-78
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| COR | pfam16095 | C-terminal of Roc, COR, domain; The C-terminal of Roc domain, COR, along with Roc functions as ... |
639-831 | 5.38e-64 | |||||||
C-terminal of Roc, COR, domain; The C-terminal of Roc domain, COR, along with Roc functions as the putative regulator of kinase activity. It functions as a proper GTP-binding protein with a low GTPase activity somehow stimulating the kinase activity. Pssm-ID: 406489 Cd Length: 196 Bit Score: 215.19 E-value: 5.38e-64
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
105-515 | 6.19e-62 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 217.49 E-value: 6.19e-62
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
123-525 | 5.93e-61 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 214.80 E-value: 5.93e-61
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
43-430 | 8.58e-60 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 211.33 E-value: 8.58e-60
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
41-418 | 4.10e-55 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 197.85 E-value: 4.10e-55
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| PLN00113 | PLN00113 | leucine-rich repeat receptor-like protein kinase; Provisional |
59-441 | 8.99e-51 | |||||||
leucine-rich repeat receptor-like protein kinase; Provisional Pssm-ID: 215061 [Multi-domain] Cd Length: 968 Bit Score: 195.07 E-value: 8.99e-51
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| PLN00113 | PLN00113 | leucine-rich repeat receptor-like protein kinase; Provisional |
67-435 | 1.38e-48 | |||||||
leucine-rich repeat receptor-like protein kinase; Provisional Pssm-ID: 215061 [Multi-domain] Cd Length: 968 Bit Score: 188.13 E-value: 1.38e-48
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| Roc | pfam08477 | Ras of Complex, Roc, domain of DAPkinase; Roc, or Ras of Complex, proteins are mitochondrial ... |
472-585 | 3.10e-45 | |||||||
Ras of Complex, Roc, domain of DAPkinase; Roc, or Ras of Complex, proteins are mitochondrial Rho proteins (Miro-1, and Miro-2) and atypical Rho GTPases. Full-length proteins have a unique domain organization, with tandem GTP-binding domains and two EF hand domains (pfam00036) that may bind calcium. They are also larger than classical small GTPases. It has been proposed that they are involved in mitochondrial homeostasis and apoptosis. Pssm-ID: 462490 [Multi-domain] Cd Length: 114 Bit Score: 158.44 E-value: 3.10e-45
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| Gem1 | COG1100 | GTPase SAR1 family domain [General function prediction only]; |
468-636 | 1.09e-41 | |||||||
GTPase SAR1 family domain [General function prediction only]; Pssm-ID: 440717 [Multi-domain] Cd Length: 177 Bit Score: 150.90 E-value: 1.09e-41
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
19-338 | 8.08e-40 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 153.17 E-value: 8.08e-40
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| PLN00113 | PLN00113 | leucine-rich repeat receptor-like protein kinase; Provisional |
64-461 | 1.23e-36 | |||||||
leucine-rich repeat receptor-like protein kinase; Provisional Pssm-ID: 215061 [Multi-domain] Cd Length: 968 Bit Score: 150.00 E-value: 1.23e-36
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
217-395 | 1.28e-34 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 132.22 E-value: 1.28e-34
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
240-449 | 5.22e-33 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 127.59 E-value: 5.22e-33
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
125-303 | 2.37e-30 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 119.89 E-value: 2.37e-30
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| RNA1 | COG5238 | Ran GTPase-activating protein (RanGAP) involved in mRNA processing and transport [Translation, ... |
119-446 | 6.51e-30 | |||||||
Ran GTPase-activating protein (RanGAP) involved in mRNA processing and transport [Translation, ribosomal structure and biogenesis]; Pssm-ID: 444072 [Multi-domain] Cd Length: 434 Bit Score: 124.13 E-value: 6.51e-30
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| PRK15370 | PRK15370 | type III secretion system effector E3 ubiquitin transferase SlrP; |
173-471 | 1.99e-29 | |||||||
type III secretion system effector E3 ubiquitin transferase SlrP; Pssm-ID: 185268 [Multi-domain] Cd Length: 754 Bit Score: 126.35 E-value: 1.99e-29
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
171-349 | 5.65e-29 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 115.65 E-value: 5.65e-29
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| Rab | cd00154 | Ras-related in brain (Rab) family of small guanosine triphosphatases (GTPases); Rab GTPases ... |
472-626 | 5.07e-28 | |||||||
Ras-related in brain (Rab) family of small guanosine triphosphatases (GTPases); Rab GTPases form the largest family within the Ras superfamily. There are at least 60 Rab genes in the human genome, and a number of Rab GTPases are conserved from yeast to humans. Rab GTPases are small, monomeric proteins that function as molecular switches to regulate vesicle trafficking pathways. The different Rab GTPases are localized to the cytosolic face of specific intracellular membranes, where they regulate distinct steps in membrane traffic pathways. In the GTP-bound form, Rab GTPases recruit specific sets of effector proteins onto membranes. Through their effectors, Rab GTPases regulate vesicle formation, actin- and tubulin-dependent vesicle movement, and membrane fusion. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which mask C-terminal lipid binding and promote cytosolic localization. While most unicellular organisms possess 5-20 Rab members, several have been found to possess 60 or more Rabs; for many of these Rab isoforms, homologous proteins are not found in other organisms. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Since crystal structures often lack C-terminal residues, the lipid modification site is not available for annotation in many of the CDs in the hierarchy, but is included where possible. Pssm-ID: 206640 [Multi-domain] Cd Length: 159 Bit Score: 111.01 E-value: 5.07e-28
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| PRK15370 | PRK15370 | type III secretion system effector E3 ubiquitin transferase SlrP; |
219-564 | 1.65e-25 | |||||||
type III secretion system effector E3 ubiquitin transferase SlrP; Pssm-ID: 185268 [Multi-domain] Cd Length: 754 Bit Score: 113.64 E-value: 1.65e-25
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| RNA1 | COG5238 | Ran GTPase-activating protein (RanGAP) involved in mRNA processing and transport [Translation, ... |
114-306 | 3.08e-23 | |||||||
Ran GTPase-activating protein (RanGAP) involved in mRNA processing and transport [Translation, ribosomal structure and biogenesis]; Pssm-ID: 444072 [Multi-domain] Cd Length: 434 Bit Score: 104.10 E-value: 3.08e-23
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| PRK15370 | PRK15370 | type III secretion system effector E3 ubiquitin transferase SlrP; |
20-324 | 4.60e-22 | |||||||
type III secretion system effector E3 ubiquitin transferase SlrP; Pssm-ID: 185268 [Multi-domain] Cd Length: 754 Bit Score: 102.85 E-value: 4.60e-22
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
115-257 | 5.81e-20 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 89.85 E-value: 5.81e-20
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| Ras | pfam00071 | Ras family; Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop ... |
472-628 | 2.79e-19 | |||||||
Ras family; Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop motif with GTP_EFTU, arf and myosin_head. See pfam00009 pfam00025, pfam00063. As regards Rab GTPases, these are important regulators of vesicle formation, motility and fusion. They share a fold in common with all Ras GTPases: this is a six-stranded beta-sheet surrounded by five alpha-helices. Pssm-ID: 425451 [Multi-domain] Cd Length: 162 Bit Score: 86.03 E-value: 2.79e-19
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| RAB | smart00175 | Rab subfamily of small GTPases; Rab GTPases are implicated in vesicle trafficking. |
472-628 | 3.65e-19 | |||||||
Rab subfamily of small GTPases; Rab GTPases are implicated in vesicle trafficking. Pssm-ID: 197555 [Multi-domain] Cd Length: 164 Bit Score: 85.64 E-value: 3.65e-19
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| Rab21 | cd04123 | Rab GTPase family 21 (Rab21); The localization and function of Rab21 are not clearly defined, ... |
472-629 | 1.77e-18 | |||||||
Rab GTPase family 21 (Rab21); The localization and function of Rab21 are not clearly defined, with conflicting data reported. Rab21 has been reported to localize in the ER in human intestinal epithelial cells, with partial colocalization with alpha-glucosidase, a late endosomal/lysosomal marker. More recently, Rab21 was shown to colocalize with and affect the morphology of early endosomes. In Dictyostelium, GTP-bound Rab21, together with two novel LIM domain proteins, LimF and ChLim, has been shown to regulate phagocytosis. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133323 [Multi-domain] Cd Length: 162 Bit Score: 83.81 E-value: 1.77e-18
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| LRR_RI | cd00116 | Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 ... |
103-402 | 5.30e-18 | |||||||
Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 residue sequence motifs present in many proteins that participate in protein-protein interactions and have different functions and cellular locations. LRRs correspond to structural units consisting of a beta strand (LxxLxLxxN/CxL conserved pattern) and an alpha helix. This alignment contains 12 strands corresponding to 11 full repeats, consistent with the extent observed in the subfamily acting as Ran GTPase Activating Proteins (RanGAP1). Pssm-ID: 238064 [Multi-domain] Cd Length: 319 Bit Score: 86.26 E-value: 5.30e-18
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| Ras_like_GTPase | cd00882 | Rat sarcoma (Ras)-like superfamily of small guanosine triphosphatases (GTPases); Ras-like ... |
474-626 | 7.22e-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: 79.04 E-value: 7.22e-17
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| PRK15387 | PRK15387 | type III secretion system effector E3 ubiquitin transferase SspH2; |
114-403 | 3.79e-16 | |||||||
type III secretion system effector E3 ubiquitin transferase SspH2; Pssm-ID: 185285 [Multi-domain] Cd Length: 788 Bit Score: 83.67 E-value: 3.79e-16
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| Rab18 | cd01863 | Rab GTPase family 18 (Rab18); Rab18 subfamily. Mammalian Rab18 is implicated in endocytic ... |
472-628 | 4.44e-16 | |||||||
Rab GTPase family 18 (Rab18); Rab18 subfamily. Mammalian Rab18 is implicated in endocytic transport and is expressed most highly in polarized epithelial cells. However, trypanosomal Rab, TbRAB18, is upregulated in the BSF (Blood Stream Form) stage and localized predominantly to elements of the Golgi complex. In human and mouse cells, Rab18 has been identified in lipid droplets, organelles that store neutral lipids. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206656 [Multi-domain] Cd Length: 161 Bit Score: 76.97 E-value: 4.44e-16
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| PRK15387 | PRK15387 | type III secretion system effector E3 ubiquitin transferase SspH2; |
64-357 | 8.99e-16 | |||||||
type III secretion system effector E3 ubiquitin transferase SspH2; Pssm-ID: 185285 [Multi-domain] Cd Length: 788 Bit Score: 82.52 E-value: 8.99e-16
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| Rab11_like | cd01868 | Rab GTPase family 11 (Rab11)-like includes Rab11a, Rab11b, and Rab25; Rab11a, Rab11b, and ... |
472-628 | 1.44e-15 | |||||||
Rab GTPase family 11 (Rab11)-like includes Rab11a, Rab11b, and Rab25; Rab11a, Rab11b, and Rab25 are closely related, evolutionary conserved Rab proteins that are differentially expressed. Rab11a is ubiquitously synthesized, Rab11b is enriched in brain and heart and Rab25 is only found in epithelia. Rab11/25 proteins seem to regulate recycling pathways from endosomes to the plasma membrane and to the trans-Golgi network. Furthermore, Rab11a is thought to function in the histamine-induced fusion of tubulovesicles containing H+, K+ ATPase with the plasma membrane in gastric parietal cells and in insulin-stimulated insertion of GLUT4 in the plasma membrane of cardiomyocytes. Overexpression of Rab25 has recently been observed in ovarian cancer and breast cancer, and has been correlated with worsened outcomes in both diseases. In addition, Rab25 overexpression has also been observed in prostate cancer, transitional cell carcinoma of the bladder, and invasive breast tumor cells. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206660 [Multi-domain] Cd Length: 165 Bit Score: 75.29 E-value: 1.44e-15
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| RNA1 | COG5238 | Ran GTPase-activating protein (RanGAP) involved in mRNA processing and transport [Translation, ... |
76-260 | 1.52e-15 | |||||||
Ran GTPase-activating protein (RanGAP) involved in mRNA processing and transport [Translation, ribosomal structure and biogenesis]; Pssm-ID: 444072 [Multi-domain] Cd Length: 434 Bit Score: 80.60 E-value: 1.52e-15
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| PRK15387 | PRK15387 | type III secretion system effector E3 ubiquitin transferase SspH2; |
154-445 | 1.68e-15 | |||||||
type III secretion system effector E3 ubiquitin transferase SspH2; Pssm-ID: 185285 [Multi-domain] Cd Length: 788 Bit Score: 81.75 E-value: 1.68e-15
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| LRR_RI | cd00116 | Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 ... |
189-438 | 1.95e-15 | |||||||
Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 residue sequence motifs present in many proteins that participate in protein-protein interactions and have different functions and cellular locations. LRRs correspond to structural units consisting of a beta strand (LxxLxLxxN/CxL conserved pattern) and an alpha helix. This alignment contains 12 strands corresponding to 11 full repeats, consistent with the extent observed in the subfamily acting as Ran GTPase Activating Proteins (RanGAP1). Pssm-ID: 238064 [Multi-domain] Cd Length: 319 Bit Score: 78.55 E-value: 1.95e-15
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| Rab5_related | cd01860 | Rab-related GTPase family includes Rab5 and Rab22; regulates early endosome fusion; The ... |
470-628 | 4.17e-15 | |||||||
Rab-related GTPase family includes Rab5 and Rab22; regulates early endosome fusion; The Rab5-related subfamily includes Rab5 and Rab22 of mammals, Ypt51/Ypt52/Ypt53 of yeast, and RabF of plants. The members of this subfamily are involved in endocytosis and endocytic-sorting pathways. In mammals, Rab5 GTPases localize to early endosomes and regulate fusion of clathrin-coated vesicles to early endosomes and fusion between early endosomes. In yeast, Ypt51p family members similarly regulate membrane trafficking through prevacuolar compartments. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206653 [Multi-domain] Cd Length: 163 Bit Score: 74.13 E-value: 4.17e-15
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| LRR | COG4886 | Leucine-rich repeat (LRR) protein [Transcription]; |
19-260 | 1.28e-14 | |||||||
Leucine-rich repeat (LRR) protein [Transcription]; Pssm-ID: 443914 [Multi-domain] Cd Length: 414 Bit Score: 77.28 E-value: 1.28e-14
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| PLN03210 | PLN03210 | Resistant to P. syringae 6; Provisional |
173-444 | 2.94e-14 | |||||||
Resistant to P. syringae 6; Provisional Pssm-ID: 215633 [Multi-domain] Cd Length: 1153 Bit Score: 77.99 E-value: 2.94e-14
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| PLN03210 | PLN03210 | Resistant to P. syringae 6; Provisional |
80-442 | 1.25e-13 | |||||||
Resistant to P. syringae 6; Provisional Pssm-ID: 215633 [Multi-domain] Cd Length: 1153 Bit Score: 75.68 E-value: 1.25e-13
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| Rab23_like | cd04106 | Rab GTPase family 23 (Rab23)-like; Rab23-like subfamily. Rab23 is a member of the Rab family ... |
472-585 | 3.62e-13 | |||||||
Rab GTPase family 23 (Rab23)-like; Rab23-like subfamily. Rab23 is a member of the Rab family of small GTPases. In mouse, Rab23 has been shown to function as a negative regulator in the sonic hedgehog (Shh) signaling pathway. Rab23 mediates the activity of Gli2 and Gli3, transcription factors that regulate Shh signaling in the spinal cord, primarily by preventing Gli2 activation in the absence of Shh ligand. Rab23 also regulates a step in the cytoplasmic signal transduction pathway that mediates the effect of Smoothened (one of two integral membrane proteins that are essential components of the Shh signaling pathway in vertebrates). In humans, Rab23 is expressed in the retina. Mice contain an isoform that shares 93% sequence identity with the human Rab23 and an alternative splicing isoform that is specific to the brain. This isoform causes the murine open brain phenotype, indicating it may have a role in the development of the central nervous system. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133306 [Multi-domain] Cd Length: 162 Bit Score: 68.62 E-value: 3.62e-13
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| Rab12 | cd04120 | Rab GTPase family 12 (Rab12); Rab12 was first identified in canine cells, where it was ... |
472-628 | 5.06e-13 | |||||||
Rab GTPase family 12 (Rab12); Rab12 was first identified in canine cells, where it was localized to the Golgi complex. The specific function of Rab12 remains unknown, and inconsistent results about its cellular localization have been reported. More recent studies have identified Rab12 associated with post-Golgi vesicles, or with other small vesicle-like structures but not with the Golgi complex. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 206699 [Multi-domain] Cd Length: 202 Bit Score: 69.27 E-value: 5.06e-13
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| PLN00113 | PLN00113 | leucine-rich repeat receptor-like protein kinase; Provisional |
21-230 | 5.26e-13 | |||||||
leucine-rich repeat receptor-like protein kinase; Provisional Pssm-ID: 215061 [Multi-domain] Cd Length: 968 Bit Score: 73.73 E-value: 5.26e-13
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| small_GTP | TIGR00231 | small GTP-binding protein domain; Proteins with a small GTP-binding domain recognized by this ... |
470-621 | 1.03e-12 | |||||||
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: 67.01 E-value: 1.03e-12
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| LRR_RI | cd00116 | Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 ... |
92-322 | 1.30e-12 | |||||||
Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 residue sequence motifs present in many proteins that participate in protein-protein interactions and have different functions and cellular locations. LRRs correspond to structural units consisting of a beta strand (LxxLxLxxN/CxL conserved pattern) and an alpha helix. This alignment contains 12 strands corresponding to 11 full repeats, consistent with the extent observed in the subfamily acting as Ran GTPase Activating Proteins (RanGAP1). Pssm-ID: 238064 [Multi-domain] Cd Length: 319 Bit Score: 70.08 E-value: 1.30e-12
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| Rab6 | cd01861 | Rab GTPase family 6 (Rab6); Rab6 is involved in microtubule-dependent transport pathways ... |
471-620 | 1.48e-12 | |||||||
Rab GTPase family 6 (Rab6); Rab6 is involved in microtubule-dependent transport pathways through the Golgi and from endosomes to the Golgi. Rab6A of mammals is implicated in retrograde transport through the Golgi stack, and is also required for a slow, COPI-independent, retrograde transport pathway from the Golgi to the endoplasmic reticulum (ER). This pathway may allow Golgi residents to be recycled through the ER for scrutiny by ER quality-control systems. Yeast Ypt6p, the homolog of the mammalian Rab6 GTPase, is not essential for cell viability. Ypt6p acts in endosome-to-Golgi, in intra-Golgi retrograde transport, and possibly also in Golgi-to-ER trafficking. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206654 [Multi-domain] Cd Length: 161 Bit Score: 66.49 E-value: 1.48e-12
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| Rab30 | cd04114 | Rab GTPase family 30 (Rab30); Rab30 subfamily. Rab30 appears to be associated with the Golgi ... |
472-620 | 1.68e-12 | |||||||
Rab GTPase family 30 (Rab30); Rab30 subfamily. Rab30 appears to be associated with the Golgi stack. It is expressed in a wide variety of tissue types and in humans maps to chromosome 11. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133314 [Multi-domain] Cd Length: 169 Bit Score: 66.84 E-value: 1.68e-12
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| Rab4 | cd04113 | Rab GTPase family 4 (Rab4); Rab4 subfamily. Rab4 has been implicated in numerous functions ... |
472-585 | 2.23e-12 | |||||||
Rab GTPase family 4 (Rab4); Rab4 subfamily. Rab4 has been implicated in numerous functions within the cell. It helps regulate endocytosis through the sorting, recycling, and degradation of early endosomes. Mammalian Rab4 is involved in the regulation of many surface proteins including G-protein-coupled receptors, transferrin receptor, integrins, and surfactant protein A. Experimental data implicate Rab4 in regulation of the recycling of internalized receptors back to the plasma membrane. It is also believed to influence receptor-mediated antigen processing in B-lymphocytes, in calcium-dependent exocytosis in platelets, in alpha-amylase secretion in pancreatic cells, and in insulin-induced translocation of Glut4 from internal vesicles to the cell surface. Rab4 is known to share effector proteins with Rab5 and Rab11. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206696 [Multi-domain] Cd Length: 161 Bit Score: 66.30 E-value: 2.23e-12
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| Wrch_1 | cd04130 | Wnt-1 responsive Cdc42 homolog (Wrch-1) is a Rho family GTPase similar to Cdc42; Wrch-1 (Wnt-1 ... |
472-636 | 4.50e-12 | |||||||
Wnt-1 responsive Cdc42 homolog (Wrch-1) is a Rho family GTPase similar to Cdc42; Wrch-1 (Wnt-1 responsive Cdc42 homolog) is a Rho family GTPase that shares significant sequence and functional similarity with Cdc42. Wrch-1 was first identified in mouse mammary epithelial cells, where its transcription is upregulated in Wnt-1 transformation. Wrch-1 contains N- and C-terminal extensions relative to cdc42, suggesting potential differences in cellular localization and function. The Wrch-1 N-terminal extension contains putative SH3 domain-binding motifs and has been shown to bind the SH3 domain-containing protein Grb2, which increases the level of active Wrch-1 in cells. Unlike Cdc42, which localizes to the cytosol and perinuclear membranes, Wrch-1 localizes extensively with the plasma membrane and endosomes. The membrane association, localization, and biological activity of Wrch-1 indicate an atypical model of regulation distinct from other Rho family GTPases. Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133330 [Multi-domain] Cd Length: 173 Bit Score: 65.50 E-value: 4.50e-12
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| Rab19 | cd01864 | Rab GTPase family 19 (Rab19); Rab19 subfamily. Rab19 proteins are associated with Golgi stacks. ... |
472-619 | 6.14e-12 | |||||||
Rab GTPase family 19 (Rab19); Rab19 subfamily. Rab19 proteins are associated with Golgi stacks. Similarity analysis indicated that Rab41 is closely related to Rab19. However, the function of these Rabs is not yet characterized. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133267 [Multi-domain] Cd Length: 165 Bit Score: 65.15 E-value: 6.14e-12
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| Rab8_Rab10_Rab13_like | cd01867 | Rab GTPase families 8, 10, 13 (Rab8, Rab10, Rab13); Rab8/Sec4/Ypt2 are known or suspected to ... |
472-628 | 8.01e-12 | |||||||
Rab GTPase families 8, 10, 13 (Rab8, Rab10, Rab13); Rab8/Sec4/Ypt2 are known or suspected to be involved in post-Golgi transport to the plasma membrane. It is likely that these Rabs have functions that are specific to the mammalian lineage and have no orthologs in plants. Rab8 modulates polarized membrane transport through reorganization of actin and microtubules, induces the formation of new surface extensions, and has an important role in directed membrane transport to cell surfaces. The Ypt2 gene of the fission yeast Schizosaccharomyces pombe encodes a member of the Ypt/Rab family of small GTP-binding proteins, related in sequence to Sec4p of Saccharomyces cerevisiae but closer to mammalian Rab8. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206659 [Multi-domain] Cd Length: 167 Bit Score: 64.60 E-value: 8.01e-12
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| Rab35 | cd04110 | Rab GTPase family 35 (Rab35); Rab35 is one of several Rab proteins to be found to participate ... |
469-628 | 1.28e-11 | |||||||
Rab GTPase family 35 (Rab35); Rab35 is one of several Rab proteins to be found to participate in the regulation of osteoclast cells in rats. In addition, Rab35 has been identified as a protein that interacts with nucleophosmin-anaplastic lymphoma kinase (NPM-ALK) in human cells. Overexpression of NPM-ALK is a key oncogenic event in some anaplastic large-cell lymphomas; since Rab35 interacts with N|PM-ALK, it may provide a target for cancer treatments. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 133310 [Multi-domain] Cd Length: 199 Bit Score: 64.88 E-value: 1.28e-11
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| Rab3 | cd01865 | Rab GTPase family 3 contains Rab3A, Rab3B, Rab3C and Rab3D; The Rab3 subfamily contains Rab3A, ... |
472-617 | 2.90e-11 | |||||||
Rab GTPase family 3 contains Rab3A, Rab3B, Rab3C and Rab3D; The Rab3 subfamily contains Rab3A, Rab3B, Rab3C, and Rab3D. All four isoforms were found in mouse brain and endocrine tissues, with varying levels of expression. Rab3A, Rab3B, and Rab3C localized to synaptic and secretory vesicles; Rab3D was expressed at high levels only in adipose tissue, exocrine glands, and the endocrine pituitary, where it is localized to cytoplasmic secretory granules. Rab3 appears to control Ca2+-regulated exocytosis. The appropriate GDP/GTP exchange cycle of Rab3A is required for Ca2+-regulated exocytosis to occur, and interaction of the GTP-bound form of Rab3A with effector molecule(s) is widely believed to be essential for this process. Functionally, most studies point toward a role for Rab3 in the secretion of hormones and neurotransmitters. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206657 [Multi-domain] Cd Length: 165 Bit Score: 63.01 E-value: 2.90e-11
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| Rab14 | cd04122 | Rab GTPase family 14 (Rab14); Rab14 GTPases are localized to biosynthetic compartments, ... |
472-585 | 4.49e-11 | |||||||
Rab GTPase family 14 (Rab14); Rab14 GTPases are localized to biosynthetic compartments, including the rough ER, the Golgi complex, and the trans-Golgi network, and to endosomal compartments, including early endosomal vacuoles and associated vesicles. Rab14 is believed to function in both the biosynthetic and recycling pathways between the Golgi and endosomal compartments. Rab14 has also been identified on GLUT4 vesicles, and has been suggested to help regulate GLUT4 translocation. In addition, Rab14 is believed to play a role in the regulation of phagocytosis. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133322 [Multi-domain] Cd Length: 166 Bit Score: 62.55 E-value: 4.49e-11
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| RabL2 | cd04124 | Rab GTPase-like family 2 (Rab-like2); RabL2 (Rab-like2) subfamily. RabL2s are novel Rab ... |
472-594 | 5.39e-11 | |||||||
Rab GTPase-like family 2 (Rab-like2); RabL2 (Rab-like2) subfamily. RabL2s are novel Rab proteins identified recently which display features that are distinct from other Rabs, and have been termed Rab-like. RabL2 contains RabL2a and RabL2b, two very similar Rab proteins that share > 98% sequence identity in humans. RabL2b maps to the subtelomeric region of chromosome 22q13.3 and RabL2a maps to 2q13, a region that suggests it is also a subtelomeric gene. Both genes are believed to be expressed ubiquitously, suggesting that RabL2s are the first example of duplicated genes in human proximal subtelomeric regions that are both expressed actively. Like other Rab-like proteins, RabL2s lack a prenylation site at the C-terminus. The specific functions of RabL2a and RabL2b remain unknown. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Pssm-ID: 133324 [Multi-domain] Cd Length: 161 Bit Score: 62.18 E-value: 5.39e-11
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| Rab15 | cd04117 | Rab GTPase family 15 (Rab15); Rab15 colocalizes with the transferrin receptor in early ... |
472-624 | 6.30e-11 | |||||||
Rab GTPase family 15 (Rab15); Rab15 colocalizes with the transferrin receptor in early endosome compartments, but not with late endosomal markers. It codistributes with Rab4 and Rab5 on early/sorting endosomes, and with Rab11 on pericentriolar recycling endosomes. It is believed to function as an inhibitory GTPase that regulates distinct steps in early endocytic trafficking. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206698 [Multi-domain] Cd Length: 164 Bit Score: 61.92 E-value: 6.30e-11
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| Rho | cd00157 | Ras homology family (Rho) of small guanosine triphosphatases (GTPases); Members of the Rho ... |
472-585 | 6.58e-11 | |||||||
Ras homology family (Rho) of small guanosine triphosphatases (GTPases); Members of the Rho (Ras homology) family include RhoA, Cdc42, Rac, Rnd, Wrch1, RhoBTB, and Rop. There are 22 human Rho family members identified currently. These proteins are all involved in the reorganization of the actin cytoskeleton in response to external stimuli. They also have roles in cell transformation by Ras in cytokinesis, in focal adhesion formation and in the stimulation of stress-activated kinase. These various functions are controlled through distinct effector proteins and mediated through a GTP-binding/GTPase cycle involving three classes of regulating proteins: GAPs (GTPase-activating proteins), GEFs (guanine nucleotide exchange factors), and GDIs (guanine nucleotide dissociation inhibitors). Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. Since crystal structures often lack C-terminal residues, this feature is not available for annotation in many of the CDs in the hierarchy. Pssm-ID: 206641 [Multi-domain] Cd Length: 171 Bit Score: 62.18 E-value: 6.58e-11
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| Rab28 | cd04109 | Rab GTPase family 28 (Rab28); Rab28 subfamily. First identified in maize, Rab28 has been shown ... |
472-602 | 1.19e-10 | |||||||
Rab GTPase family 28 (Rab28); Rab28 subfamily. First identified in maize, Rab28 has been shown to be a late embryogenesis-abundant (Lea) protein that is regulated by the plant hormone abcisic acid (ABA). In Arabidopsis, Rab28 is expressed during embryo development and is generally restricted to provascular tissues in mature embryos. Unlike maize Rab28, it is not ABA-inducible. Characterization of the human Rab28 homolog revealed two isoforms, which differ by a 95-base pair insertion, producing an alternative sequence for the 30 amino acids at the C-terminus. The two human isoforms are presumably the result of alternative splicing. Since they differ at the C-terminus but not in the GTP-binding region, they are predicted to be targeted to different cellular locations. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 206694 [Multi-domain] Cd Length: 213 Bit Score: 62.51 E-value: 1.19e-10
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| Rab7 | cd01862 | Rab GTPase family 7 (Rab7); Rab7 subfamily. Rab7 is a small Rab GTPase that regulates ... |
472-624 | 3.11e-10 | |||||||
Rab GTPase family 7 (Rab7); Rab7 subfamily. Rab7 is a small Rab GTPase that regulates vesicular traffic from early to late endosomal stages of the endocytic pathway. The yeast Ypt7 and mammalian Rab7 are both involved in transport to the vacuole/lysosome, whereas Ypt7 is also required for homotypic vacuole fusion. Mammalian Rab7 is an essential participant in the autophagic pathway for sequestration and targeting of cytoplasmic components to the lytic compartment. Mammalian Rab7 is also proposed to function as a tumor suppressor. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206655 [Multi-domain] Cd Length: 172 Bit Score: 60.37 E-value: 3.11e-10
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| LRR_8 | pfam13855 | Leucine rich repeat; |
379-437 | 3.11e-10 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 56.76 E-value: 3.11e-10
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| PLN03110 | PLN03110 | Rab GTPase; Provisional |
472-628 | 3.14e-10 | |||||||
Rab GTPase; Provisional Pssm-ID: 178657 [Multi-domain] Cd Length: 216 Bit Score: 61.10 E-value: 3.14e-10
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| Ras | cd00876 | Rat sarcoma (Ras) family of small guanosine triphosphatases (GTPases); The Ras family of the ... |
472-628 | 3.23e-10 | |||||||
Rat sarcoma (Ras) family of small guanosine triphosphatases (GTPases); The Ras family of the Ras superfamily includes classical N-Ras, H-Ras, and K-Ras, as well as R-Ras, Rap, Ral, Rheb, Rhes, ARHI, RERG, Rin/Rit, RSR1, RRP22, Ras2, Ras-dva, and RGK proteins. Ras proteins regulate cell growth, proliferation and differentiation. Ras is activated by guanine nucleotide exchange factors (GEFs) that release GDP and allow GTP binding. Many RasGEFs have been identified. These are sequestered in the cytosol until activation by growth factors triggers recruitment to the plasma membrane or Golgi, where the GEF colocalizes with Ras. Active GTP-bound Ras interacts with several effector proteins: among the best characterized are the Raf kinases, phosphatidylinositol 3-kinase (PI3K), RalGEFs and NORE/MST1. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206642 [Multi-domain] Cd Length: 160 Bit Score: 59.85 E-value: 3.23e-10
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| PRK15387 | PRK15387 | type III secretion system effector E3 ubiquitin transferase SspH2; |
19-296 | 3.82e-10 | |||||||
type III secretion system effector E3 ubiquitin transferase SspH2; Pssm-ID: 185285 [Multi-domain] Cd Length: 788 Bit Score: 64.03 E-value: 3.82e-10
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| Ran | cd00877 | Ras-related nuclear proteins (Ran)/TC4 family of small GTPases; Ran GTPase is involved in ... |
472-585 | 3.93e-10 | |||||||
Ras-related nuclear proteins (Ran)/TC4 family of small GTPases; Ran GTPase is involved in diverse biological functions, such as nuclear transport, spindle formation during mitosis, DNA replication, and cell division. Among the Ras superfamily, Ran is a unique small G protein. It does not have a lipid modification motif at the C-terminus to bind to the membrane, which is often observed within the Ras superfamily. Ran may therefore interact with a wide range of proteins in various intracellular locations. Like other GTPases, Ran exists in GTP- and GDP-bound conformations that interact differently with effectors. Conversion between these forms and the assembly or disassembly of effector complexes requires the interaction of regulator proteins. The intrinsic GTPase activity of Ran is very low, but it is greatly stimulated by a GTPase-activating protein (RanGAP1) located in the cytoplasm. By contrast, RCC1, a guanine nucleotide exchange factor that generates RanGTP, is bound to chromatin and confined to the nucleus. Ran itself is mobile and is actively imported into the nucleus by a mechanism involving NTF-2. Together with the compartmentalization of its regulators, this is thought to produce a relatively high concentration of RanGTP in the nucleus. Pssm-ID: 206643 [Multi-domain] Cd Length: 166 Bit Score: 59.62 E-value: 3.93e-10
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| Arl3 | cd04155 | Arf-like 3 (Arl3) GTPase; Arl3 (Arf-like 3) is an Arf family protein that differs from most ... |
453-585 | 6.48e-10 | |||||||
Arf-like 3 (Arl3) GTPase; Arl3 (Arf-like 3) is an Arf family protein that differs from most Arf family members in the N-terminal extension. In is inactive, GDP-bound form, the N-terminal extension forms an elongated loop that is hydrophobically anchored into the membrane surface; however, it has been proposed that this region might form a helix in the GTP-bound form. The delta subunit of the rod-specific cyclic GMP phosphodiesterase type 6 (PDEdelta) is an Arl3 effector. Arl3 binds microtubules in a regulated manner to alter specific aspects of cytokinesis via interactions with retinitis pigmentosa 2 (RP2). It has been proposed that RP2 functions in concert with Arl3 to link the cell membrane and the cytoskeleton in photoreceptors as part of the cell signaling or vesicular transport machinery. In mice, the absence of Arl3 is associated with abnormal epithelial cell proliferation and cyst formation. Pssm-ID: 206721 [Multi-domain] Cd Length: 174 Bit Score: 59.33 E-value: 6.48e-10
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| PTZ00132 | PTZ00132 | GTP-binding nuclear protein Ran; Provisional |
470-585 | 1.18e-09 | |||||||
GTP-binding nuclear protein Ran; Provisional Pssm-ID: 240284 [Multi-domain] Cd Length: 215 Bit Score: 59.71 E-value: 1.18e-09
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| LRR_8 | pfam13855 | Leucine rich repeat; |
218-276 | 1.45e-09 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 54.84 E-value: 1.45e-09
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| Rab9 | cd04116 | Rab GTPase family 9 (Rab9); Rab9 is found in late endosomes, together with mannose 6-phosphate ... |
472-585 | 1.49e-09 | |||||||
Rab GTPase family 9 (Rab9); Rab9 is found in late endosomes, together with mannose 6-phosphate receptors (MPRs) and the tail-interacting protein of 47 kD (TIP47). Rab9 is a key mediator of vesicular transport from late endosomes to the trans-Golgi network (TGN) by redirecting the MPRs. Rab9 has been identified as a key component for the replication of several viruses, including HIV1, Ebola, Marburg, and measles, making it a potential target for inhibiting a variety of viruses. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206697 [Multi-domain] Cd Length: 170 Bit Score: 58.35 E-value: 1.49e-09
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
325-398 | 1.65e-09 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 61.76 E-value: 1.65e-09
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| Rab1_Ypt1 | cd01869 | Rab GTPase family 1 includes the yeast homolog Ypt1; Rab1/Ypt1 subfamily. Rab1 is found in ... |
472-630 | 2.82e-09 | |||||||
Rab GTPase family 1 includes the yeast homolog Ypt1; Rab1/Ypt1 subfamily. Rab1 is found in every eukaryote and is a key regulatory component for the transport of vesicles from the ER to the Golgi apparatus. Studies on mutations of Ypt1, the yeast homolog of Rab1, showed that this protein is necessary for the budding of vesicles of the ER as well as for their transport to, and fusion with, the Golgi apparatus. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206661 [Multi-domain] Cd Length: 166 Bit Score: 57.34 E-value: 2.82e-09
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| Miro1 | cd01893 | Mitochondrial Rho family 1 (Miro1), N-terminal; Miro1 subfamily. Miro (mitochondrial Rho) ... |
472-620 | 3.37e-09 | |||||||
Mitochondrial Rho family 1 (Miro1), N-terminal; Miro1 subfamily. Miro (mitochondrial Rho) proteins have tandem GTP-binding domains separated by a linker region containing putative calcium-binding EF hand motifs. Genes encoding Miro-like proteins were found in several eukaryotic organisms. This CD represents the N-terminal GTPase domain of Miro proteins. These atypical Rho GTPases have roles in mitochondrial homeostasis and apoptosis. Most Rho proteins contain a lipid modification site at the C-terminus; however, Miro is one of few Rho subfamilies that lack this feature. Pssm-ID: 206680 [Multi-domain] Cd Length: 168 Bit Score: 56.96 E-value: 3.37e-09
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
371-438 | 3.88e-09 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 60.60 E-value: 3.88e-09
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| PLN03210 | PLN03210 | Resistant to P. syringae 6; Provisional |
15-296 | 3.92e-09 | |||||||
Resistant to P. syringae 6; Provisional Pssm-ID: 215633 [Multi-domain] Cd Length: 1153 Bit Score: 61.04 E-value: 3.92e-09
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| LRR_8 | pfam13855 | Leucine rich repeat; |
195-253 | 7.94e-09 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 52.91 E-value: 7.94e-09
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| Arf_Arl | cd00878 | ADP-ribosylation factor(Arf)/Arf-like (Arl) small GTPases; Arf (ADP-ribosylation factor)/Arl ... |
472-627 | 1.39e-08 | |||||||
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: 54.89 E-value: 1.39e-08
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| LRR_8 | pfam13855 | Leucine rich repeat; |
241-299 | 1.74e-08 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 51.76 E-value: 1.74e-08
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
279-352 | 2.15e-08 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 58.29 E-value: 2.15e-08
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| Spg1 | cd04128 | Septum-promoting GTPase (Spg1); Spg1p. Spg1p (septum-promoting GTPase) was first identified in ... |
472-632 | 3.05e-08 | |||||||
Septum-promoting GTPase (Spg1); Spg1p. Spg1p (septum-promoting GTPase) was first identified in the fission yeast S. pombe, where it regulates septum formation in the septation initiation network (SIN) through the cdc7 protein kinase. Spg1p is an essential gene that localizes to the spindle pole bodies. When GTP-bound, it binds cdc7 and causes it to translocate to spindle poles. Sid4p (septation initiation defective) is required for localization of Spg1p to the spindle pole body, and the ability of Spg1p to promote septum formation from any point in the cell cycle depends on Sid4p. Spg1p is negatively regulated by Byr4 and cdc16, which form a two-component GTPase activating protein (GAP) for Spg1p. The existence of a SIN-related pathway in plants has been proposed. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Pssm-ID: 206701 [Multi-domain] Cd Length: 182 Bit Score: 54.71 E-value: 3.05e-08
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| Rab24 | cd04118 | Rab GTPase family 24 (Rab24); Rab24 is distinct from other Rabs in several ways. It exists ... |
471-629 | 3.19e-08 | |||||||
Rab GTPase family 24 (Rab24); Rab24 is distinct from other Rabs in several ways. It exists primarily in the GTP-bound state, having a low intrinsic GTPase activity; it is not efficiently geranyl-geranylated at the C-terminus; it does not form a detectable complex with Rab GDP-dissociation inhibitors (GDIs); and it has recently been shown to undergo tyrosine phosphorylation when overexpressed in vitro. The specific function of Rab24 still remains unknown. It is found in a transport route between ER-cis-Golgi and late endocytic compartments. It is putatively involved in an autophagic pathway, possibly directing misfolded proteins in the ER to degradative pathways. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 133318 [Multi-domain] Cd Length: 193 Bit Score: 54.87 E-value: 3.19e-08
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| LRR_8 | pfam13855 | Leucine rich repeat; |
333-391 | 4.72e-08 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 50.60 E-value: 4.72e-08
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| LRR_8 | pfam13855 | Leucine rich repeat; |
126-184 | 5.10e-08 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 50.60 E-value: 5.10e-08
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| LRR_8 | pfam13855 | Leucine rich repeat; |
264-322 | 5.68e-08 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 50.22 E-value: 5.68e-08
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| Rab32_Rab38 | cd04107 | Rab GTPase families 18 (Rab18) and 32 (Rab32); Rab38/Rab32 subfamily. Rab32 and Rab38 are ... |
472-619 | 6.96e-08 | |||||||
Rab GTPase families 18 (Rab18) and 32 (Rab32); Rab38/Rab32 subfamily. Rab32 and Rab38 are members of the Rab family of small GTPases. Human Rab32 was first identified in platelets but it is expressed in a variety of cell types, where it functions as an A-kinase anchoring protein (AKAP). Rab38 has been shown to be melanocyte-specific. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 206692 [Multi-domain] Cd Length: 201 Bit Score: 53.85 E-value: 6.96e-08
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| LRR_8 | pfam13855 | Leucine rich repeat; |
172-230 | 8.01e-08 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 49.83 E-value: 8.01e-08
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| PLN03071 | PLN03071 | GTP-binding nuclear protein Ran; Provisional |
472-585 | 8.07e-08 | |||||||
GTP-binding nuclear protein Ran; Provisional Pssm-ID: 178620 [Multi-domain] Cd Length: 219 Bit Score: 53.99 E-value: 8.07e-08
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| LRR_8 | pfam13855 | Leucine rich repeat; |
292-345 | 1.05e-07 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 49.45 E-value: 1.05e-07
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| PLN03118 | PLN03118 | Rab family protein; Provisional |
472-594 | 1.09e-07 | |||||||
Rab family protein; Provisional Pssm-ID: 215587 [Multi-domain] Cd Length: 211 Bit Score: 53.52 E-value: 1.09e-07
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| LRR_8 | pfam13855 | Leucine rich repeat; |
356-414 | 1.36e-07 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 49.45 E-value: 1.36e-07
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
60-211 | 1.66e-07 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 53.25 E-value: 1.66e-07
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| LRR_8 | pfam13855 | Leucine rich repeat; |
310-368 | 1.82e-07 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 49.06 E-value: 1.82e-07
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| Rho2 | cd04129 | Ras homology family 2 (Rho2) of small guanosine triphosphatases (GTPases); Rho2 is a fungal ... |
472-633 | 1.92e-07 | |||||||
Ras homology family 2 (Rho2) of small guanosine triphosphatases (GTPases); Rho2 is a fungal GTPase that plays a role in cell morphogenesis, control of cell wall integrity, control of growth polarity, and maintenance of growth direction. Rho2 activates the protein kinase C homolog Pck2, and Pck2 controls Mok1, the major (1-3) alpha-D-glucan synthase. Together with Rho1 (RhoA), Rho2 regulates the construction of the cell wall. Unlike Rho1, Rho2 is not an essential protein, but its overexpression is lethal. Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for proper intracellular localization via membrane attachment. As with other Rho family GTPases, the GDP/GTP cycling is regulated by GEFs (guanine nucleotide exchange factors), GAPs (GTPase-activating proteins) and GDIs (guanine nucleotide dissociation inhibitors). Pssm-ID: 206702 [Multi-domain] Cd Length: 190 Bit Score: 52.53 E-value: 1.92e-07
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| RHO | smart00174 | Rho (Ras homology) subfamily of Ras-like small GTPases; Members of this subfamily of Ras-like ... |
473-585 | 2.04e-07 | |||||||
Rho (Ras homology) subfamily of Ras-like small GTPases; Members of this subfamily of Ras-like small GTPases include Cdc42 and Rac, as well as Rho isoforms. Pssm-ID: 197554 [Multi-domain] Cd Length: 174 Bit Score: 52.23 E-value: 2.04e-07
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| LRR_8 | pfam13855 | Leucine rich repeat; |
149-207 | 2.20e-07 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 48.67 E-value: 2.20e-07
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| Rab26 | cd04112 | Rab GTPase family 26 (Rab26); Rab26 subfamily. First identified in rat pancreatic acinar cells, ... |
472-628 | 4.01e-07 | |||||||
Rab GTPase family 26 (Rab26); Rab26 subfamily. First identified in rat pancreatic acinar cells, Rab26 is believed to play a role in recruiting mature granules to the plasma membrane upon beta-adrenergic stimulation. Rab26 belongs to the Rab functional group III, which are considered key regulators of intracellular vesicle transport during exocytosis. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 206695 [Multi-domain] Cd Length: 191 Bit Score: 51.79 E-value: 4.01e-07
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| LRR_9 | pfam14580 | Leucine-rich repeat; |
255-372 | 7.42e-07 | |||||||
Leucine-rich repeat; Pssm-ID: 405295 [Multi-domain] Cd Length: 175 Bit Score: 50.53 E-value: 7.42e-07
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| ARF | smart00177 | ARF-like small GTPases; ARF, ADP-ribosylation factor; Ras homologues involved in vesicular ... |
470-585 | 8.67e-07 | |||||||
ARF-like small GTPases; ARF, ADP-ribosylation factor; Ras homologues involved in vesicular transport. Activator 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. Contains ATP/GTP-binding motif (P-loop). Pssm-ID: 128474 [Multi-domain] Cd Length: 175 Bit Score: 50.31 E-value: 8.67e-07
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| Rab2 | cd01866 | Rab GTPase family 2 (Rab2); Rab2 is localized on cis-Golgi membranes and interacts with Golgi ... |
472-636 | 1.06e-06 | |||||||
Rab GTPase family 2 (Rab2); Rab2 is localized on cis-Golgi membranes and interacts with Golgi matrix proteins. Rab2 is also implicated in the maturation of vesicular tubular clusters (VTCs), which are microtubule-associated intermediates in transport between the ER and Golgi apparatus. In plants, Rab2 regulates vesicle trafficking between the ER and the Golgi bodies and is important to pollen tube growth. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206658 [Multi-domain] Cd Length: 168 Bit Score: 49.73 E-value: 1.06e-06
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| RhoA_like | cd01870 | Ras homology family A (RhoA)-like includes RhoA, RhoB and RhoC; The RhoA subfamily consists of ... |
472-585 | 1.14e-06 | |||||||
Ras homology family A (RhoA)-like includes RhoA, RhoB and RhoC; The RhoA subfamily consists of RhoA, RhoB, and RhoC. RhoA promotes the formation of stress fibers and focal adhesions, regulating cell shape, attachment, and motility. RhoA can bind to multiple effector proteins, thereby triggering different downstream responses. In many cell types, RhoA mediates local assembly of the contractile ring, which is necessary for cytokinesis. RhoA is vital for muscle contraction; in vascular smooth muscle cells, RhoA plays a key role in cell contraction, differentiation, migration, and proliferation. RhoA activities appear to be elaborately regulated in a time- and space-dependent manner to control cytoskeletal changes. Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. RhoA and RhoC are observed only in geranylgeranylated forms; however, RhoB can be present in palmitoylated, farnesylated, and geranylgeranylated forms. RhoA and RhoC are highly relevant for tumor progression and invasiveness; however, RhoB has recently been suggested to be a tumor suppressor. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206662 [Multi-domain] Cd Length: 175 Bit Score: 50.12 E-value: 1.14e-06
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| Arf6 | cd04149 | ADP ribosylation factor 6 (Arf6); Arf6 subfamily. Arf6 (ADP ribosylation factor 6) proteins ... |
470-585 | 1.33e-06 | |||||||
ADP ribosylation factor 6 (Arf6); Arf6 subfamily. Arf6 (ADP ribosylation factor 6) proteins localize to the plasma membrane, where they perform a wide variety of functions. In its active, GTP-bound form, Arf6 is involved in cell spreading, Rac-induced formation of plasma membrane ruffles, cell migration, wound healing, and Fc-mediated phagocytosis. Arf6 appears to change the actin structure at the plasma membrane by activating Rac, a Rho family protein involved in membrane ruffling. Arf6 is required for and enhances Rac formation of ruffles. Arf6 can regulate dendritic branching in hippocampal neurons, and in yeast it localizes to the growing bud, where it plays a role in polarized growth and bud site selection. In leukocytes, Arf6 is required for chemokine-stimulated migration across endothelial cells. Arf6 also plays a role in down-regulation of beta2-adrenergic receptors and luteinizing hormone receptors by facilitating the release of sequestered arrestin to allow endocytosis. Arf6 is believed to function at multiple sites on the plasma membrane through interaction with a specific set of GEFs, GAPs, and effectors. Arf6 has been implicated in breast cancer and melanoma cell invasion, and in actin remodelling at the invasion site of Chlamydia infection. Pssm-ID: 206716 Cd Length: 168 Bit Score: 49.77 E-value: 1.33e-06
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| RAN | smart00176 | Ran (Ras-related nuclear proteins) /TC4 subfamily of small GTPases; Ran is involved in the ... |
476-604 | 1.45e-06 | |||||||
Ran (Ras-related nuclear proteins) /TC4 subfamily of small GTPases; Ran is involved in the active transport of proteins through nuclear pores. Pssm-ID: 128473 [Multi-domain] Cd Length: 200 Bit Score: 50.01 E-value: 1.45e-06
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| RERG_RasL11_like | cd04146 | Ras-related and Estrogen-Regulated Growth inhibitor (RERG) and Ras-like 11 (RasL11)-like ... |
472-585 | 1.60e-06 | |||||||
Ras-related and Estrogen-Regulated Growth inhibitor (RERG) and Ras-like 11 (RasL11)-like families; RERG (Ras-related and Estrogen- Regulated Growth inhibitor) and Ras-like 11 are members of a novel subfamily of Ras that were identified based on their behavior in breast and prostate tumors, respectively. RERG expression was decreased or lost in a significant fraction of primary human breast tumors that lack estrogen receptor and are correlated with poor clinical prognosis. Elevated RERG expression correlated with favorable patient outcome in a breast tumor subtype that is positive for estrogen receptor expression. In contrast to most Ras proteins, RERG overexpression inhibited the growth of breast tumor cells in vitro and in vivo. RasL11 was found to be ubiquitously expressed in human tissue, but down-regulated in prostate tumors. Both RERG and RasL11 lack the C-terminal CaaX prenylation motif, where a = an aliphatic amino acid and X = any amino acid, and are localized primarily in the cytoplasm. Both are believed to have tumor suppressor activity. Pssm-ID: 206713 [Multi-domain] Cd Length: 166 Bit Score: 49.20 E-value: 1.60e-06
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| M_R_Ras_like | cd04145 | R-Ras2/TC21, M-Ras/R-Ras3; The M-Ras/R-Ras-like subfamily contains R-Ras2/TC21, M-Ras/R-Ras3, ... |
472-619 | 1.70e-06 | |||||||
R-Ras2/TC21, M-Ras/R-Ras3; The M-Ras/R-Ras-like subfamily contains R-Ras2/TC21, M-Ras/R-Ras3, and related members of the Ras family. M-Ras is expressed in lympho-hematopoetic cells. It interacts with some of the known Ras effectors, but appears to also have its own effectors. Expression of mutated M-Ras leads to transformation of several types of cell lines, including hematopoietic cells, mammary epithelial cells, and fibroblasts. Overexpression of M-Ras is observed in carcinomas from breast, uterus, thyroid, stomach, colon, kidney, lung, and rectum. In addition, expression of a constitutively active M-Ras mutant in murine bone marrow induces a malignant mast cell leukemia that is distinct from the monocytic leukemia induced by H-Ras. TC21, along with H-Ras, has been shown to regulate the branching morphogenesis of ureteric bud cell branching in mice. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133345 [Multi-domain] Cd Length: 164 Bit Score: 49.33 E-value: 1.70e-06
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| LRR_8 | pfam13855 | Leucine rich repeat; |
80-161 | 1.92e-06 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 45.98 E-value: 1.92e-06
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| Rab27A | cd04127 | Rab GTPase family 27a (Rab27a); The Rab27a subfamily consists of Rab27a and its highly ... |
472-628 | 2.25e-06 | |||||||
Rab GTPase family 27a (Rab27a); The Rab27a subfamily consists of Rab27a and its highly homologous isoform, Rab27b. Unlike most Rab proteins whose functions remain poorly defined, Rab27a has many known functions. Rab27a has multiple effector proteins, and depending on which effector it binds, Rab27a has different functions as well as tissue distribution and/or cellular localization. Putative functions have been assigned to Rab27a when associated with the effector proteins Slp1, Slp2, Slp3, Slp4, Slp5, DmSlp, rabphilin, Dm/Ce-rabphilin, Slac2-a, Slac2-b, Slac2-c, Noc2, JFC1, and Munc13-4. Rab27a has been associated with several human diseases, including hemophagocytic syndrome (Griscelli syndrome or GS), Hermansky-Pudlak syndrome, and choroidermia. In the case of GS, a rare, autosomal recessive disease, a Rab27a mutation is directly responsible for the disorder. When Rab27a is localized to the secretory granules of pancreatic beta cells, it is believed to mediate glucose-stimulated insulin secretion, making it a potential target for diabetes therapy. When bound to JFC1 in prostate cells, Rab27a is believed to regulate the exocytosis of prostate- specific markers. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206700 [Multi-domain] Cd Length: 180 Bit Score: 49.04 E-value: 2.25e-06
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| Arf | pfam00025 | ADP-ribosylation factor family; Pfam combines a number of different Prosite families together |
471-599 | 2.31e-06 | |||||||
ADP-ribosylation factor family; Pfam combines a number of different Prosite families together Pssm-ID: 459636 [Multi-domain] Cd Length: 160 Bit Score: 48.76 E-value: 2.31e-06
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| Rab39 | cd04111 | Rab GTPase family 39 (Rab39); Found in eukaryotes, Rab39 is mainly found in epithelial cell ... |
472-647 | 2.85e-06 | |||||||
Rab GTPase family 39 (Rab39); Found in eukaryotes, Rab39 is mainly found in epithelial cell lines, but is distributed widely in various human tissues and cell lines. It is believed to be a novel Rab protein involved in regulating Golgi-associated vesicular transport during cellular endocytosis. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 133311 [Multi-domain] Cd Length: 211 Bit Score: 49.37 E-value: 2.85e-06
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| Rho4_like | cd04132 | Ras homology family 4 (Rho4) of small guanosine triphosphatases (GTPases)-like; Rho4 is a ... |
472-624 | 4.36e-06 | |||||||
Ras homology family 4 (Rho4) of small guanosine triphosphatases (GTPases)-like; Rho4 is a GTPase that controls septum degradation by regulating secretion of Eng1 or Agn1 during cytokinesis. Rho4 also plays a role in cell morphogenesis. Rho4 regulates septation and cell morphology by controlling the actin cytoskeleton and cytoplasmic microtubules. The localization of Rho4 is modulated by Rdi1, which may function as a GDI, and by Rga9, which is believed to function as a GAP. In S. pombe, both Rho4 deletion and Rho4 overexpression result in a defective cell wall, suggesting a role for Rho4 in maintaining cell wall integrity. Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. Pssm-ID: 206704 [Multi-domain] Cd Length: 197 Bit Score: 48.49 E-value: 4.36e-06
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| LRR_9 | pfam14580 | Leucine-rich repeat; |
324-441 | 5.41e-06 | |||||||
Leucine-rich repeat; Pssm-ID: 405295 [Multi-domain] Cd Length: 175 Bit Score: 47.84 E-value: 5.41e-06
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| Rac1_like | cd01871 | Ras-related C3 botulinum toxin substrate 1 (rho family, small GTP binding protein Rac1)-like ... |
472-636 | 5.77e-06 | |||||||
Ras-related C3 botulinum toxin substrate 1 (rho family, small GTP binding protein Rac1)-like consists of Rac1, Rac2 and Rac3; The Rac1-like subfamily consists of Rac1, Rac2, and Rac3 proteins, plus the splice variant Rac1b that contains a 19-residue insertion near switch II relative to Rac1. While Rac1 is ubiquitously expressed, Rac2 and Rac3 are largely restricted to hematopoietic and neural tissues respectively. Rac1 stimulates the formation of actin lamellipodia and membrane ruffles. It also plays a role in cell-matrix adhesion and cell anoikis. In intestinal epithelial cells, Rac1 is an important regulator of migration and mediates apoptosis. Rac1 is also essential for RhoA-regulated actin stress fiber and focal adhesion complex formation. In leukocytes, Rac1 and Rac2 have distinct roles in regulating cell morphology, migration, and invasion, but are not essential for macrophage migration or chemotaxis. Rac3 has biochemical properties that are closely related to Rac1, such as effector interaction, nucleotide binding, and hydrolysis; Rac2 has a slower nucleotide association and is more efficiently activated by the RacGEF Tiam1. Both Rac1 and Rac3 have been implicated in the regulation of cell migration and invasion in human metastatic breast cancer. Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206663 [Multi-domain] Cd Length: 174 Bit Score: 47.88 E-value: 5.77e-06
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| small_GTPase | smart00010 | Small GTPase of the Ras superfamily; ill-defined subfamily; SMART predicts Ras-like small ... |
470-628 | 6.06e-06 | |||||||
Small GTPase of the Ras superfamily; ill-defined subfamily; SMART predicts Ras-like small GTPases of the ARF, RAB, RAN, RAS, and SAR subfamilies. Others that could not be classified in this way are predicted to be members of the small GTPase superfamily without predictions of the subfamily. Pssm-ID: 197466 [Multi-domain] Cd Length: 166 Bit Score: 47.55 E-value: 6.06e-06
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
210-290 | 6.29e-06 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 50.20 E-value: 6.29e-06
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| RheB | cd04137 | Ras Homolog Enriched in Brain (RheB) is a small GTPase; Rheb (Ras Homolog Enriched in Brain) ... |
472-628 | 6.52e-06 | |||||||
Ras Homolog Enriched in Brain (RheB) is a small GTPase; Rheb (Ras Homolog Enriched in Brain) subfamily. Rheb was initially identified in rat brain, where its expression is elevated by seizures or by long-term potentiation. It is expressed ubiquitously, with elevated levels in muscle and brain. Rheb functions as an important mediator between the tuberous sclerosis complex proteins, TSC1 and TSC2, and the mammalian target of rapamycin (TOR) kinase to stimulate cell growth. TOR kinase regulates cell growth by controlling nutrient availability, growth factors, and the energy status of the cell. TSC1 and TSC2 form a dimeric complex that has tumor suppressor activity, and TSC2 is a GTPase activating protein (GAP) for Rheb. The TSC1/TSC2 complex inhibits the activation of TOR kinase through Rheb. Rheb has also been shown to induce the formation of large cytoplasmic vacuoles in a process that is dependent on the GTPase cycle of Rheb, but independent of the TOR kinase, suggesting Rheb plays a role in endocytic trafficking that leads to cell growth and cell-cycle progression. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Pssm-ID: 206709 [Multi-domain] Cd Length: 180 Bit Score: 47.63 E-value: 6.52e-06
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| RalA_RalB | cd04139 | Ral (Ras-like) family containing highly homologous RalA and RalB; The Ral (Ras-like) subfamily ... |
472-628 | 6.68e-06 | |||||||
Ral (Ras-like) family containing highly homologous RalA and RalB; The Ral (Ras-like) subfamily consists of the highly homologous RalA and RalB. Ral proteins are believed to play a crucial role in tumorigenesis, metastasis, endocytosis, and actin cytoskeleton dynamics. Despite their high sequence similarity (>80% sequence identity), nonoverlapping and opposing functions have been assigned to RalA and RalBs in tumor migration. In human bladder and prostate cancer cells, RalB promotes migration while RalA inhibits it. A Ral-specific set of GEFs has been identified that are activated by Ras binding. This RalGEF activity is enhanced by Ras binding to another of its target proteins, phosphatidylinositol 3-kinase (PI3K). Ral effectors include RLIP76/RalBP1, a Rac/cdc42 GAP, and the exocyst (Sec6/8) complex, a heterooctomeric protein complex that is involved in tethering vesicles to specific sites on the plasma membrane prior to exocytosis. In rat kidney cells, RalB is required for functional assembly of the exocyst and for localizing the exocyst to the leading edge of migrating cells. In human cancer cells, RalA is required to support anchorage-independent proliferation and RalB is required to suppress apoptosis. RalA has been shown to localize to the plasma membrane while RalB is localized to the intracellular vesicles. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206710 [Multi-domain] Cd Length: 163 Bit Score: 47.42 E-value: 6.68e-06
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| RAS | smart00173 | Ras subfamily of RAS small GTPases; Similar in fold and function to the bacterial EF-Tu GTPase. ... |
472-628 | 8.42e-06 | |||||||
Ras subfamily of RAS small GTPases; Similar in fold and function to the bacterial EF-Tu GTPase. p21Ras couples receptor Tyr kinases and G protein receptors to protein kinase cascades Pssm-ID: 214541 [Multi-domain] Cd Length: 164 Bit Score: 47.17 E-value: 8.42e-06
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| LRR_RI | cd00116 | Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 ... |
69-241 | 9.29e-06 | |||||||
Leucine-rich repeats (LRRs), ribonuclease inhibitor (RI)-like subfamily. LRRs are 20-29 residue sequence motifs present in many proteins that participate in protein-protein interactions and have different functions and cellular locations. LRRs correspond to structural units consisting of a beta strand (LxxLxLxxN/CxL conserved pattern) and an alpha helix. This alignment contains 12 strands corresponding to 11 full repeats, consistent with the extent observed in the subfamily acting as Ran GTPase Activating Proteins (RanGAP1). Pssm-ID: 238064 [Multi-domain] Cd Length: 319 Bit Score: 48.89 E-value: 9.29e-06
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| Rnd | cd04131 | Rho family GTPase subfamily Rnd includes Rnd1/Rho6, Rnd2/Rho7, and Rnd3/RhoE/Rho8; The Rnd ... |
472-585 | 1.09e-05 | |||||||
Rho family GTPase subfamily Rnd includes Rnd1/Rho6, Rnd2/Rho7, and Rnd3/RhoE/Rho8; The Rnd subfamily contains Rnd1/Rho6, Rnd2/Rho7, and Rnd3/RhoE/Rho8. These novel Rho family proteins have substantial structural differences compared to other Rho members, including N- and C-terminal extensions relative to other Rhos. Rnd3/RhoE is farnesylated at the C-terminal prenylation site, unlike most other Rho proteins that are geranylgeranylated. In addition, Rnd members are unable to hydrolyze GTP and are resistant to GAP activity. They are believed to exist only in the GTP-bound conformation, and are antagonists of RhoA activity. Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206703 [Multi-domain] Cd Length: 176 Bit Score: 47.04 E-value: 1.09e-05
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
187-260 | 1.25e-05 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 49.43 E-value: 1.25e-05
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| RhoG | cd01875 | Ras homolog family, member G (RhoG) of small guanosine triphosphatases (GTPases); RhoG is a ... |
472-585 | 1.76e-05 | |||||||
Ras homolog family, member G (RhoG) of small guanosine triphosphatases (GTPases); RhoG is a GTPase with high sequence similarity to members of the Rac subfamily, including the regions involved in effector recognition and binding. However, RhoG does not bind to known Rac1 and Cdc42 effectors, including proteins containing a Cdc42/Rac interacting binding (CRIB) motif. Instead, RhoG interacts directly with Elmo, an upstream regulator of Rac1, in a GTP-dependent manner and forms a ternary complex with Dock180 to induce activation of Rac1. The RhoG-Elmo-Dock180 pathway is required for activation of Rac1 and cell spreading mediated by integrin, as well as for neurite outgrowth induced by nerve growth factor. Thus RhoG activates Rac1 through Elmo and Dock180 to control cell morphology. RhoG has also been shown to play a role in caveolar trafficking and has a novel role in signaling the neutrophil respiratory burst stimulated by G protein-coupled receptor (GPCR) agonists. Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. Pssm-ID: 133277 [Multi-domain] Cd Length: 191 Bit Score: 46.93 E-value: 1.76e-05
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| Rab36_Rab34 | cd04108 | Rab GTPase families 34 (Rab34) and 36 (Rab36); Rab34/Rab36 subfamily. Rab34, found primarily ... |
471-585 | 1.92e-05 | |||||||
Rab GTPase families 34 (Rab34) and 36 (Rab36); Rab34/Rab36 subfamily. Rab34, found primarily in the Golgi, interacts with its effector, Rab-interacting lysosomal protein (RILP). This enables its participation in microtubular dynenin-dynactin-mediated repositioning of lysosomes from the cell periphery to the Golgi. A Rab34 (Rah) isoform that lacks the consensus GTP-binding region has been identified in mice. This isoform is associated with membrane ruffles and promotes macropinosome formation. Rab36 has been mapped to human chromosome 22q11.2, a region that is homozygously deleted in malignant rhabdoid tumors (MRTs). However, experimental assessments do not implicate Rab36 as a tumor suppressor that would enable tumor formation through a loss-of-function mechanism. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 206693 [Multi-domain] Cd Length: 170 Bit Score: 46.41 E-value: 1.92e-05
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| Rab33B_Rab33A | cd04115 | Rab GTPase family 33 includes Rab33A and Rab33B; Rab33B/Rab33A subfamily. Rab33B is ... |
472-613 | 1.95e-05 | |||||||
Rab GTPase family 33 includes Rab33A and Rab33B; Rab33B/Rab33A subfamily. Rab33B is ubiquitously expressed in mouse tissues and cells, where it is localized to the medial Golgi cisternae. It colocalizes with alpha-mannose II. Together with the other cisternal Rabs, Rab6A and Rab6A', it is believed to regulate the Golgi response to stress and is likely a molecular target in stress-activated signaling pathways. Rab33A (previously known as S10) is expressed primarily in the brain and immune system cells. In humans, it is located on the X chromosome at Xq26 and its expression is down-regulated in tuberculosis patients. Experimental evidence suggests that Rab33A is a novel CD8+ T cell factor that likely plays a role in tuberculosis disease processes. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133315 [Multi-domain] Cd Length: 170 Bit Score: 46.28 E-value: 1.95e-05
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| PLN00223 | PLN00223 | ADP-ribosylation factor; Provisional |
470-627 | 3.17e-05 | |||||||
ADP-ribosylation factor; Provisional Pssm-ID: 165788 Cd Length: 181 Bit Score: 45.73 E-value: 3.17e-05
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| PPP1R42 | cd21340 | protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 ... |
34-166 | 6.95e-05 | |||||||
protein phosphatase 1 regulatory subunit 42; Protein phosphatase 1 regulatory subunit 42 (PPP1R42), also known as leucine-rich repeat-containing protein 67 (lrrc67) or testis leucine-rich repeat (TLRR) protein, plays a role in centrosome separation. PPP1R42 has been shown to interact with the well-conserved signaling protein phosphatase-1 (PP1) and thereby increasing PP1's activity, which counters centrosome separation. Inhibition of PPP1R42 expression increases the number of centrosomes per cell while its depletion reduces the activity of PP1 leading to activation of NEK2, the kinase responsible for phosphorylation of centrosomal linker proteins promoting centrosome separation. Pssm-ID: 411060 [Multi-domain] Cd Length: 220 Bit Score: 45.55 E-value: 6.95e-05
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| PTZ00369 | PTZ00369 | Ras-like protein; Provisional |
470-628 | 7.03e-05 | |||||||
Ras-like protein; Provisional Pssm-ID: 240385 [Multi-domain] Cd Length: 189 Bit Score: 44.85 E-value: 7.03e-05
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| Arl4_Arl7 | cd04152 | Arf-like 4 (Arl4) and 7 (Arl7) GTPases; Arl4 (Arf-like 4) is highly expressed in testicular ... |
467-585 | 8.02e-05 | |||||||
Arf-like 4 (Arl4) and 7 (Arl7) GTPases; Arl4 (Arf-like 4) is highly expressed in testicular germ cells, and is found in the nucleus and nucleolus. In mice, Arl4 is developmentally expressed during embryogenesis, and a role in somite formation and central nervous system differentiation has been proposed. Arl7 has been identified as the only Arf/Arl protein to be induced by agonists of liver X-receptor and retinoid X-receptor and by cholesterol loading in human macrophages. Arl7 is proposed to play a role in transport between a perinuclear compartment and the plasma membrane, apparently linked to the ABCA1-mediated cholesterol secretion pathway. Older literature suggests that Arl6 is a part of the Arl4/Arl7 subfamily, but analyses based on more recent sequence data place Arl6 in its own subfamily. Pssm-ID: 206719 [Multi-domain] Cd Length: 183 Bit Score: 44.79 E-value: 8.02e-05
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| ARLTS1 | cd04156 | Arf-like tumor suppressor gene 1 (ARLTS1 or Arl11); ARLTS1 (Arf-like tumor suppressor gene 1), ... |
472-585 | 1.01e-04 | |||||||
Arf-like tumor suppressor gene 1 (ARLTS1 or Arl11); ARLTS1 (Arf-like tumor suppressor gene 1), also known as Arl11, is a member of the Arf family of small GTPases that is believed to play a major role in apoptotic signaling. ARLTS1 is widely expressed and functions as a tumor suppressor gene in several human cancers. ARLTS1 is a low-penetrance suppressor that accounts for a small percentage of familial melanoma or familial chronic lymphocytic leukemia (CLL). ARLTS1 inactivation seems to occur most frequently through biallelic down-regulation by hypermethylation of the promoter. In breast cancer, ARLTS1 alterations were typically a combination of a hypomorphic polymorphism plus loss of heterozygosity. In a case of thyroid adenoma, ARLTS1 alterations were polymorphism plus promoter hypermethylation. The nonsense polymorphism Trp149Stop occurs with significantly greater frequency in familial cancer cases than in sporadic cancer cases, and the Cys148Arg polymorphism is associated with an increase in high-risk familial breast cancer. Pssm-ID: 133356 [Multi-domain] Cd Length: 160 Bit Score: 43.94 E-value: 1.01e-04
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| PLN03108 | PLN03108 | Rab family protein; Provisional |
472-585 | 1.19e-04 | |||||||
Rab family protein; Provisional Pssm-ID: 178655 [Multi-domain] Cd Length: 210 Bit Score: 44.55 E-value: 1.19e-04
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
402-441 | 1.27e-04 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 40.31 E-value: 1.27e-04
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| Rab40 | cd04121 | Rab GTPase family 40 (Rab40) contains Rab40a, Rab40b and Rab40c; The Rab40 subfamily contains ... |
472-583 | 1.37e-04 | |||||||
Rab GTPase family 40 (Rab40) contains Rab40a, Rab40b and Rab40c; The Rab40 subfamily contains Rab40a, Rab40b, and Rab40c, which are all highly homologous. In rat, Rab40c is localized to the perinuclear recycling compartment (PRC), and is distributed in a tissue-specific manor, with high expression in brain, heart, kidney, and testis, low expression in lung and liver, and no expression in spleen and skeletal muscle. Rab40c is highly expressed in differentiated oligodendrocytes but minimally expressed in oligodendrocyte progenitors, suggesting a role in the vesicular transport of myelin components. Unlike most other Ras-superfamily proteins, Rab40c was shown to have a much lower affinity for GTP, and an affinity for GDP that is lower than for GTP. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins. Pssm-ID: 133321 [Multi-domain] Cd Length: 189 Bit Score: 44.16 E-value: 1.37e-04
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
95-168 | 1.39e-04 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 45.96 E-value: 1.39e-04
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
118-191 | 1.55e-04 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 45.96 E-value: 1.55e-04
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
241-281 | 1.96e-04 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 39.92 E-value: 1.96e-04
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| Ras2 | cd04144 | Rat sarcoma (Ras) family 2 of small guanosine triphosphatases (GTPases); The Ras2 subfamily, ... |
472-585 | 2.25e-04 | |||||||
Rat sarcoma (Ras) family 2 of small guanosine triphosphatases (GTPases); The Ras2 subfamily, found exclusively in fungi, was first identified in Ustilago maydis. In U. maydis, Ras2 is regulated by Sql2, a protein that is homologous to GEFs (guanine nucleotide exchange factors) of the CDC25 family. Ras2 has been shown to induce filamentous growth, but the signaling cascade through which Ras2 and Sql2 regulate cell morphology is not known. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Pssm-ID: 133344 [Multi-domain] Cd Length: 190 Bit Score: 43.30 E-value: 2.25e-04
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| Arl5_Arl8 | cd04153 | Arf-like 5 (Arl5) and 8 (Arl8) GTPases; Arl5/Arl8 subfamily. Arl5 (Arf-like 5) and Arl8, like ... |
470-530 | 2.63e-04 | |||||||
Arf-like 5 (Arl5) and 8 (Arl8) GTPases; Arl5/Arl8 subfamily. Arl5 (Arf-like 5) and Arl8, like Arl4 and Arl7, are localized to the nucleus and nucleolus. Arl5 is developmentally regulated during embryogenesis in mice. Human Arl5 interacts with the heterochromatin protein 1-alpha (HP1alpha), a nonhistone chromosomal protein that is associated with heterochromatin and telomeres, and prevents telomere fusion. Arl5 may also play a role in embryonic nuclear dynamics and/or signaling cascades. Arl8 was identified from a fetal cartilage cDNA library. It is found in brain, heart, lung, cartilage, and kidney. No function has been assigned for Arl8 to date. Pssm-ID: 133353 [Multi-domain] Cd Length: 174 Bit Score: 43.11 E-value: 2.63e-04
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| RabL4 | cd04101 | Rab GTPase-like family 4 (Rab-like4); RabL4 (Rab-like4) subfamily. RabL4s are novel proteins ... |
471-585 | 3.18e-04 | |||||||
Rab GTPase-like family 4 (Rab-like4); RabL4 (Rab-like4) subfamily. RabL4s are novel proteins that have high sequence similarity with Rab family members, but display features that are distinct from Rabs, and have been termed Rab-like. As in other Rab-like proteins, RabL4 lacks a prenylation site at the C-terminus. The specific function of RabL4 remains unknown. Pssm-ID: 206688 [Multi-domain] Cd Length: 167 Bit Score: 42.51 E-value: 3.18e-04
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
310-350 | 3.40e-04 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 39.15 E-value: 3.40e-04
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| Rop_like | cd04133 | Rho-related protein from plants (Rop)-like; The Rop (Rho-related protein from plants) ... |
472-585 | 4.34e-04 | |||||||
Rho-related protein from plants (Rop)-like; The Rop (Rho-related protein from plants) subfamily plays a role in diverse cellular processes, including cytoskeletal organization, pollen and vegetative cell growth, hormone responses, stress responses, and pathogen resistance. Rops are able to regulate several downstream pathways to amplify a specific signal by acting as master switches early in the signaling cascade. They transmit a variety of extracellular and intracellular signals. Rops are involved in establishing cell polarity in root-hair development, root-hair elongation, pollen-tube growth, cell-shape formation, responses to hormones such as abscisic acid (ABA) and auxin, responses to abiotic stresses such as oxygen deprivation, and disease resistance and disease susceptibility. An individual Rop can have a unique function or an overlapping function shared with other Rop proteins; in addition, a given Rop-regulated function can be controlled by one or multiple Rop proteins. For example, Rop1, Rop3, and Rop5 are all involved in pollen-tube growth; Rop2 plays a role in response to low-oxygen environments, cell-morphology, and root-hair development; root-hair development is also regulated by Rop4 and Rop6; Rop6 is also responsible for ABA response, and ABA response is also regulated by Rop10. Plants retain some of the regulatory mechanisms that are shared by other members of the Rho family, but have also developed a number of unique modes for regulating Rops. Unique RhoGEFs have been identified that are exclusively active toward Rop proteins, such as those containing the domain PRONE (plant-specific Rop nucleotide exchanger). Most Rho proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Rho proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206705 [Multi-domain] Cd Length: 173 Bit Score: 42.14 E-value: 4.34e-04
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| Arl1 | cd04151 | ADP ribosylation factor 1 (Arf1); Arl1 subfamily. Arl1 (Arf-like 1) localizes to the Golgi ... |
472-529 | 4.93e-04 | |||||||
ADP ribosylation factor 1 (Arf1); Arl1 subfamily. Arl1 (Arf-like 1) localizes to the Golgi complex, where it is believed to recruit effector proteins to the trans-Golgi network. Like most members of the Arf family, Arl1 is myristoylated at its N-terminal helix and mutation of the myristoylation site disrupts Golgi targeting. In humans, the Golgi-localized proteins golgin-97 and golgin-245 have been identified as Arl1 effectors. Golgins are large coiled-coil proteins found in the Golgi, and these golgins contain a C-terminal GRIP domain, which is the site of Arl1 binding. Additional Arl1 effectors include the GARP (Golgi-associated retrograde protein)/VFT (Vps53) vesicle-tethering complex and Arfaptin 2. Arl1 is not required for exocytosis, but appears necessary for trafficking from the endosomes to the Golgi. In Drosophila zygotes, mutation of Arl1 is lethal, and in the host-bloodstream form of Trypanosoma brucei, Arl1 is essential for viability. Pssm-ID: 206718 [Multi-domain] Cd Length: 158 Bit Score: 42.01 E-value: 4.93e-04
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| Arfrp1 | cd04160 | Arf-related protein 1 (Arfrp1); Arfrp1 (Arf-related protein 1), formerly known as ARP, is a ... |
474-530 | 5.00e-04 | |||||||
Arf-related protein 1 (Arfrp1); Arfrp1 (Arf-related protein 1), formerly known as ARP, is a membrane-associated Arf family member that lacks the N-terminal myristoylation motif. Arfrp1 is mainly associated with the trans-Golgi compartment and the trans-Golgi network, where it regulates the targeting of Arl1 and the GRIP domain-containing proteins, golgin-97 and golgin-245, onto Golgi membranes. It is also involved in the anterograde transport of the vesicular stomatitis virus G protein from the Golgi to the plasma membrane, and in the retrograde transport of TGN38 and Shiga toxin from endosomes to the trans-Golgi network. Arfrp1 also inhibits Arf/Sec7-dependent activation of phospholipase D. Deletion of Arfrp1 in mice causes embryonic lethality at the gastrulation stage and apoptosis of mesodermal cells, indicating its importance in development. Pssm-ID: 206725 [Multi-domain] Cd Length: 168 Bit Score: 41.94 E-value: 5.00e-04
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| Rap_like | cd04136 | Rap-like family consists of Rap1, Rap2 and RSR1; The Rap subfamily consists of the Rap1, Rap2, ... |
470-628 | 5.05e-04 | |||||||
Rap-like family consists of Rap1, Rap2 and RSR1; The Rap subfamily consists of the Rap1, Rap2, and RSR1. Rap subfamily proteins perform different cellular functions, depending on the isoform and its subcellular localization. For example, in rat salivary gland, neutrophils, and platelets, Rap1 localizes to secretory granules and is believed to regulate exocytosis or the formation of secretory granules. Rap1 has also been shown to localize in the Golgi of rat fibroblasts, zymogen granules, plasma membrane, and microsomal membrane of the pancreatic acini, as well as in the endocytic compartment of skeletal muscle cells and fibroblasts. Rap1 localizes in the nucleus of human oropharyngeal squamous cell carcinomas (SCCs) and cell lines. Rap1 plays a role in phagocytosis by controlling the binding of adhesion receptors (typically integrins) to their ligands. In yeast, Rap1 has been implicated in multiple functions, including activation and silencing of transcription and maintenance of telomeres. Rap2 is involved in multiple functions, including activation of c-Jun N-terminal kinase (JNK) to regulate the actin cytoskeleton and activation of the Wnt/beta-catenin signaling pathway in embryonic Xenopus. A number of effector proteins for Rap2 have been identified, including isoform 3 of the human mitogen-activated protein kinase kinase kinase kinase 4 (MAP4K4) and Traf2- and Nck-interacting kinase (TNIK), and the RalGEFs RalGDS, RGL, and Rlf, which also interact with Rap1 and Ras. RSR1 is the fungal homolog of Rap1 and Rap2. In budding yeasts, it is involved in selecting a site for bud growth, which directs the establishment of cell polarization. The Rho family GTPase Cdc42 and its GEF, Cdc24, then establish an axis of polarized growth. It is believed that Cdc42 interacts directly with RSR1 in vivo. In filamentous fungi such as Ashbya gossypii, RSR1 is a key regulator of polar growth in the hypha. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206708 [Multi-domain] Cd Length: 164 Bit Score: 41.78 E-value: 5.05e-04
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
264-304 | 6.08e-04 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 38.38 E-value: 6.08e-04
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
218-258 | 8.25e-04 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 38.00 E-value: 8.25e-04
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| RGK | cd04148 | Rem, Rem2, Rad, Gem/Kir (RGK) subfamily of Ras GTPases; RGK subfamily. The RGK (Rem, Rem2, Rad, ... |
472-628 | 8.50e-04 | |||||||
Rem, Rem2, Rad, Gem/Kir (RGK) subfamily of Ras GTPases; RGK subfamily. The RGK (Rem, Rem2, Rad, Gem/Kir) subfamily of Ras GTPases are expressed in a tissue-specific manner and are dynamically regulated by transcriptional and posttranscriptional mechanisms in response to environmental cues. RGK proteins bind to the beta subunit of L-type calcium channels, causing functional down-regulation of these voltage-dependent calcium channels, and either termination of calcium-dependent secretion or modulation of electrical conduction and contractile function. Inhibition of L-type calcium channels by Rem2 may provide a mechanism for modulating calcium-triggered exocytosis in hormone-secreting cells, and has been proposed to influence the secretion of insulin in pancreatic beta cells. RGK proteins also interact with and inhibit the Rho/Rho kinase pathway to modulate remodeling of the cytoskeleton. Two characteristics of RGK proteins cited in the literature are N-terminal and C-terminal extensions beyond the GTPase domain typical of Ras superfamily members. The N-terminal extension is not conserved among family members; the C-terminal extension is reported to be conserved among the family and lack the CaaX prenylation motif typical of membrane-associated Ras proteins. However, a putative CaaX motif has been identified in the alignment of the C-terminal residues of this CD. Pssm-ID: 206715 [Multi-domain] Cd Length: 219 Bit Score: 42.01 E-value: 8.50e-04
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| RabL3 | cd04102 | Rab GTPase-like family 3 (Rab-like3); RabL3 (Rab-like3) subfamily. RabL3s are novel proteins ... |
472-588 | 9.91e-04 | |||||||
Rab GTPase-like family 3 (Rab-like3); RabL3 (Rab-like3) subfamily. RabL3s are novel proteins that have high sequence similarity with Rab family members, but display features that are distinct from Rabs, and have been termed Rab-like. As in other Rab-like proteins, RabL3 lacks a prenylation site at the C-terminus. The specific function of RabL3 remains unknown. Pssm-ID: 206689 Cd Length: 204 Bit Score: 41.81 E-value: 9.91e-04
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
379-419 | 1.49e-03 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 37.22 E-value: 1.49e-03
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| COG4192 | COG4192 | Signal transduction histidine kinase regulating phosphoglycerate transport system [Signal ... |
291-491 | 1.71e-03 | |||||||
Signal transduction histidine kinase regulating phosphoglycerate transport system [Signal transduction mechanisms]; Pssm-ID: 443346 [Multi-domain] Cd Length: 640 Bit Score: 42.37 E-value: 1.71e-03
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| YihA_EngB | cd01876 | YihA (EngB) GTPase family; The YihA (EngB) subfamily of GTPases is typified by the E. coli ... |
475-628 | 1.76e-03 | |||||||
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: 40.57 E-value: 1.76e-03
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| Ras_dva | cd04147 | Ras - dorsal-ventral anterior localization (Ras-dva) family; Ras-dva subfamily. Ras-dva (Ras - ... |
472-655 | 1.98e-03 | |||||||
Ras - dorsal-ventral anterior localization (Ras-dva) family; Ras-dva subfamily. Ras-dva (Ras - dorsal-ventral anterior localization) subfamily consists of a set of proteins characterized only in Xenopus leavis, to date. In Xenopus Ras-dva expression is activated by the transcription factor Otx2 and begins during gastrulation throughout the anterior ectoderm. Ras-dva expression is inhibited in the anterior neural plate by factor Xanf1. Downregulation of Ras-dva results in head development abnormalities through the inhibition of several regulators of the anterior neural plate and folds patterning, including Otx2, BF-1, Xag2, Pax6, Slug, and Sox9. Downregulation of Ras-dva also interferes with the FGF-8a signaling within the anterior ectoderm. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Pssm-ID: 206714 [Multi-domain] Cd Length: 197 Bit Score: 40.59 E-value: 1.98e-03
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
356-396 | 2.08e-03 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 36.84 E-value: 2.08e-03
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
126-165 | 2.12e-03 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 36.84 E-value: 2.12e-03
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
195-235 | 2.21e-03 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 36.84 E-value: 2.21e-03
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
333-373 | 2.30e-03 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 36.84 E-value: 2.30e-03
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| Sar1 | cd00879 | Sar1 is an essential component of COPII vesicle coats; Sar1 is an essential component of COPII ... |
470-598 | 2.45e-03 | |||||||
Sar1 is an essential component of COPII vesicle coats; Sar1 is an essential component of COPII vesicle coats involved in export of cargo from the ER. The GTPase activity of Sar1 functions as a molecular switch to control protein-protein and protein-lipid interactions that direct vesicle budding from the ER. Activation of the GDP to the GTP-bound form of Sar1 involves the membrane-associated guanine nucleotide exchange factor (GEF) Sec12. Sar1 is unlike all Ras superfamily GTPases that use either myristoyl or prenyl groups to direct membrane association and function, in that Sar1 lacks such modification. Instead, Sar1 contains a unique nine-amino-acid N-terminal extension. This extension contains an evolutionarily conserved cluster of bulky hydrophobic amino acids, referred to as the Sar1-N-terminal activation recruitment (STAR) motif. The STAR motif mediates the recruitment of Sar1 to ER membranes and facilitates its interaction with mammalian Sec12 GEF leading to activation. Pssm-ID: 206645 [Multi-domain] Cd Length: 191 Bit Score: 40.34 E-value: 2.45e-03
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| COG4995 | COG4995 | Uncharacterized conserved protein, contains CHAT domain [Function unknown]; |
3-427 | 2.46e-03 | |||||||
Uncharacterized conserved protein, contains CHAT domain [Function unknown]; Pssm-ID: 444019 [Multi-domain] Cd Length: 711 Bit Score: 41.88 E-value: 2.46e-03
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| ARHI_like | cd04140 | A Ras homolog member I (ARHI); ARHI (A Ras homolog member I) is a member of the Ras family ... |
472-633 | 2.49e-03 | |||||||
A Ras homolog member I (ARHI); ARHI (A Ras homolog member I) is a member of the Ras family with several unique structural and functional properties. ARHI is expressed in normal human ovarian and breast tissue, but its expression is decreased or eliminated in breast and ovarian cancer. ARHI contains an N-terminal extension of 34 residues (human) that is required to retain its tumor suppressive activity. Unlike most other Ras family members, ARHI is maintained in the constitutively active (GTP-bound) state in resting cells and has modest GTPase activity. ARHI inhibits STAT3 (signal transducers and activators of transcription 3), a latent transcription factor whose abnormal activation plays a critical role in oncogenesis. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 206711 [Multi-domain] Cd Length: 165 Bit Score: 39.81 E-value: 2.49e-03
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| PLN00023 | PLN00023 | GTP-binding protein; Provisional |
467-593 | 2.54e-03 | |||||||
GTP-binding protein; Provisional Pssm-ID: 177661 Cd Length: 334 Bit Score: 41.39 E-value: 2.54e-03
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| Rap2 | cd04176 | Rap2 family GTPase consists of Rap2a, Rap2b, and Rap2c; The Rap2 subgroup is part of the Rap ... |
470-628 | 2.57e-03 | |||||||
Rap2 family GTPase consists of Rap2a, Rap2b, and Rap2c; The Rap2 subgroup is part of the Rap subfamily of the Ras family. It consists of Rap2a, Rap2b, and Rap2c. Both isoform 3 of the human mitogen-activated protein kinase kinase kinase kinase 4 (MAP4K4) and Traf2- and Nck-interacting kinase (TNIK) are putative effectors of Rap2 in mediating the activation of c-Jun N-terminal kinase (JNK) to regulate the actin cytoskeleton. In human platelets, Rap2 was shown to interact with the cytoskeleton by binding the actin filaments. In embryonic Xenopus development, Rap2 is necessary for the Wnt/beta-catenin signaling pathway. The Rap2 interacting protein 9 (RPIP9) is highly expressed in human breast carcinomas and correlates with a poor prognosis, suggesting a role for Rap2 in breast cancer oncogenesis. Rap2b, but not Rap2a, Rap2c, Rap1a, or Rap1b, is expressed in human red blood cells, where it is believed to be involved in vesiculation. A number of additional effector proteins for Rap2 have been identified, including the RalGEFs RalGDS, RGL, and Rlf, which also interact with Rap1 and Ras. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133376 [Multi-domain] Cd Length: 163 Bit Score: 39.82 E-value: 2.57e-03
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| PLN03150 | PLN03150 | hypothetical protein; Provisional |
21-159 | 3.07e-03 | |||||||
hypothetical protein; Provisional Pssm-ID: 178695 [Multi-domain] Cd Length: 623 Bit Score: 41.73 E-value: 3.07e-03
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| Gtr1_RagA | pfam04670 | Gtr1/RagA G protein conserved region; GTR1 was first identified in S. cerevisiae as a ... |
472-624 | 3.17e-03 | |||||||
Gtr1/RagA G protein conserved region; GTR1 was first identified in S. cerevisiae as a suppressor of a mutation in RCC1. Biochemical analysis revealed that Gtr1 is in fact a G protein of the Ras family. The RagA/B proteins are the human homologs of Gtr1. Included in this family is the human Rag C, a novel protein that has been shown to interact with RagA/B. Pssm-ID: 398377 [Multi-domain] Cd Length: 231 Bit Score: 40.26 E-value: 3.17e-03
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| trmE | cd04164 | trmE is a tRNA modification GTPase; TrmE (MnmE, ThdF, MSS1) is a 3-domain protein found in ... |
576-626 | 3.37e-03 | |||||||
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: 39.40 E-value: 3.37e-03
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| PTZ00133 | PTZ00133 | ADP-ribosylation factor; Provisional |
470-530 | 3.61e-03 | |||||||
ADP-ribosylation factor; Provisional Pssm-ID: 173423 Cd Length: 182 Bit Score: 39.83 E-value: 3.61e-03
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| HflX | cd01878 | HflX GTPase family; HflX subfamily. A distinct conserved domain with a glycine-rich segment ... |
576-628 | 4.19e-03 | |||||||
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: 39.75 E-value: 4.19e-03
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| LRR_4 | pfam12799 | Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a ... |
149-189 | 4.27e-03 | |||||||
Leucine Rich repeats (2 copies); Leucine rich repeats are short sequence motifs present in a number of proteins with diverse functions and cellular locations. These repeats are usually involved in protein-protein interactions. Each Leucine Rich Repeat is composed of a beta-alpha unit. These units form elongated non-globular structures. Leucine Rich Repeats are often flanked by cysteine rich domains. Pssm-ID: 463713 [Multi-domain] Cd Length: 44 Bit Score: 36.07 E-value: 4.27e-03
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| Rap1 | cd04175 | Rap1 family GTPase consists of Rap1a and Rap1b isoforms; The Rap1 subgroup is part of the Rap ... |
470-630 | 4.92e-03 | |||||||
Rap1 family GTPase consists of Rap1a and Rap1b isoforms; The Rap1 subgroup is part of the Rap subfamily of the Ras family. It can be further divided into the Rap1a and Rap1b isoforms. In humans, Rap1a and Rap1b share 95% sequence homology, but are products of two different genes located on chromosomes 1 and 12, respectively. Rap1a is sometimes called smg p21 or Krev1 in the older literature. Rap1 proteins are believed to perform different cellular functions, depending on the isoform, its subcellular localization, and the effector proteins it binds. For example, in rat salivary gland, neutrophils, and platelets, Rap1 localizes to secretory granules and is believed to regulate exocytosis or the formation of secretory granules. Rap1 has also been shown to localize in the Golgi of rat fibroblasts, zymogen granules, plasma membrane, and the microsomal membrane of pancreatic acini, as well as in the endocytic compartment of skeletal muscle cells and fibroblasts. High expression of Rap1 has been observed in the nucleus of human oropharyngeal squamous cell carcinomas (SCCs) and cell lines; interestingly, in the SCCs, the active GTP-bound form localized to the nucleus, while the inactive GDP-bound form localized to the cytoplasm. Rap1 plays a role in phagocytosis by controlling the binding of adhesion receptors (typically integrins) to their ligands. In yeast, Rap1 has been implicated in multiple functions, including activation and silencing of transcription and maintenance of telomeres. Rap1a, which is stimulated by T-cell receptor (TCR) activation, is a positive regulator of T cells by directing integrin activation and augmenting lymphocyte responses. In murine hippocampal neurons, Rap1b determines which neurite will become the axon and directs the recruitment of Cdc42, which is required for formation of dendrites and axons. In murine platelets, Rap1b is required for normal homeostasis in vivo and is involved in integrin activation. Most Ras proteins contain a lipid modification site at the C-terminus, with a typical sequence motif CaaX, where a = an aliphatic amino acid and X = any amino acid. Lipid binding is essential for membrane attachment, a key feature of most Ras proteins. Due to the presence of truncated sequences in this CD, the lipid modification site is not available for annotation. Pssm-ID: 133375 [Multi-domain] Cd Length: 164 Bit Score: 39.04 E-value: 4.92e-03
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| Arl2 | cd04154 | Arf-like 2 (Arl2) GTPase; Arl2 (Arf-like 2) GTPases are members of the Arf family that bind ... |
453-530 | 5.90e-03 | |||||||
Arf-like 2 (Arl2) GTPase; Arl2 (Arf-like 2) GTPases are members of the Arf family that bind GDP and GTP with very low affinity. Unlike most Arf family proteins, Arl2 is not myristoylated at its N-terminal helix. The protein PDE-delta, first identified in photoreceptor rod cells, binds specifically to Arl2 and is structurally very similar to RhoGDI. Despite the high structural similarity between Arl2 and Rho proteins and between PDE-delta and RhoGDI, the interactions between the GTPases and their effectors are very different. In its GTP bound form, Arl2 interacts with the protein Binder of Arl2 (BART), and the complex is believed to play a role in mitochondrial adenine nucleotide transport. In its GDP bound form, Arl2 interacts with tubulin- folding Cofactor D; this interaction is believed to play a role in regulation of microtubule dynamics that impact the cytoskeleton, cell division, and cytokinesis. Pssm-ID: 206720 [Multi-domain] Cd Length: 173 Bit Score: 38.85 E-value: 5.90e-03
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| LRR_8 | pfam13855 | Leucine rich repeat; |
402-440 | 7.84e-03 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 35.96 E-value: 7.84e-03
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| LRR_8 | pfam13855 | Leucine rich repeat; |
64-138 | 8.48e-03 | |||||||
Leucine rich repeat; Pssm-ID: 404697 [Multi-domain] Cd Length: 61 Bit Score: 35.96 E-value: 8.48e-03
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