brain-specific angiogenesis inhibitor 1-associated protein 2-like protein 2 isoform X5 [Halichoerus grypus]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||
| Pat_PNPLA9 | cd07212 | Patatin-like phospholipase domain containing protein 9; PNPLA9 is a Ca-independent ... |
11-289 | 9.12e-177 | |||||
Patatin-like phospholipase domain containing protein 9; PNPLA9 is a Ca-independent phospholipase that catalyzes the hydrolysis of glycerophospholipids at the sn-2 position. PNPLA9 is also known as PLA2G6 (phospholipase A2 group VI) or iPLA2beta. PLA2G6 is stimulated by ATP and inhibited by bromoenol lactone (BEL). In humans, PNPLA9 in expressed ubiquitously and is involved in signal transduction, cell proliferation, and apoptotic cell death. Mutations in human PLA2G6 leads to infantile neuroaxonal dystrophy (INAD) and idiopathic neurodegeneration with brain iron accumulation (NBIA). This family includes PLA2G6 from Homo sapiens and Rattus norvegicus. : Pssm-ID: 132851 [Multi-domain] Cd Length: 312 Bit Score: 511.11 E-value: 9.12e-177
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| I-BAR_IMD_BAIAP2L2 | cd07644 | Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific ... |
326-540 | 3.58e-141 | |||||
Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; The IMD domain, also called Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, is a dimerization and lipid-binding module that bends membranes and induces membrane protrusions. This group is composed of uncharacterized proteins known as BAIAP2L2 (Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2). They contain an N-terminal IMD, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The related proteins, BAIAP2L1 and IRSp53, function as regulators of membrane dynamics and the actin cytoskeleton. The IMD domain binds and bundles actin filaments, binds membranes and produces membrane protrusions, and interacts with the small GTPase Rac. : Pssm-ID: 153328 Cd Length: 215 Bit Score: 416.25 E-value: 3.58e-141
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| SH3_BAIAP2L2 | cd11914 | Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; ... |
645-703 | 4.14e-31 | |||||
Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; BAIAP2L2 co-localizes with clathrin plaques but its function has not been determined. It contains an N-terminal IMD or Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The related proteins, BAIAP2L1 and IRSp53, function as regulators of membrane dynamics and the actin cytoskeleton. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. : Pssm-ID: 212847 [Multi-domain] Cd Length: 59 Bit Score: 115.68 E-value: 4.14e-31
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| PHA03307 super family | cl33723 | transcriptional regulator ICP4; Provisional |
535-798 | 6.86e-04 | |||||
transcriptional regulator ICP4; Provisional The actual alignment was detected with superfamily member PHA03307: Pssm-ID: 223039 [Multi-domain] Cd Length: 1352 Bit Score: 43.62 E-value: 6.86e-04
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| Name | Accession | Description | Interval | E-value | |||||
| Pat_PNPLA9 | cd07212 | Patatin-like phospholipase domain containing protein 9; PNPLA9 is a Ca-independent ... |
11-289 | 9.12e-177 | |||||
Patatin-like phospholipase domain containing protein 9; PNPLA9 is a Ca-independent phospholipase that catalyzes the hydrolysis of glycerophospholipids at the sn-2 position. PNPLA9 is also known as PLA2G6 (phospholipase A2 group VI) or iPLA2beta. PLA2G6 is stimulated by ATP and inhibited by bromoenol lactone (BEL). In humans, PNPLA9 in expressed ubiquitously and is involved in signal transduction, cell proliferation, and apoptotic cell death. Mutations in human PLA2G6 leads to infantile neuroaxonal dystrophy (INAD) and idiopathic neurodegeneration with brain iron accumulation (NBIA). This family includes PLA2G6 from Homo sapiens and Rattus norvegicus. Pssm-ID: 132851 [Multi-domain] Cd Length: 312 Bit Score: 511.11 E-value: 9.12e-177
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| I-BAR_IMD_BAIAP2L2 | cd07644 | Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific ... |
326-540 | 3.58e-141 | |||||
Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; The IMD domain, also called Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, is a dimerization and lipid-binding module that bends membranes and induces membrane protrusions. This group is composed of uncharacterized proteins known as BAIAP2L2 (Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2). They contain an N-terminal IMD, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The related proteins, BAIAP2L1 and IRSp53, function as regulators of membrane dynamics and the actin cytoskeleton. The IMD domain binds and bundles actin filaments, binds membranes and produces membrane protrusions, and interacts with the small GTPase Rac. Pssm-ID: 153328 Cd Length: 215 Bit Score: 416.25 E-value: 3.58e-141
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| IMD | pfam08397 | IRSp53/MIM homology domain; The N-terminal predicted helical stretch of the insulin receptor ... |
336-545 | 8.72e-106 | |||||
IRSp53/MIM homology domain; The N-terminal predicted helical stretch of the insulin receptor tyrosine kinase substrate p53 (IRSp53) is an evolutionary conserved F-actin bundling domain involved in filopodium formation. The domain has been named IMD after the IRSp53 and missing in metastasis (MIM) proteins in which it occurs. Filopodium-inducing IMD activity is regulated by Cdc42 and Rac1 and is SH3-independent. Pssm-ID: 429972 Cd Length: 218 Bit Score: 324.52 E-value: 8.72e-106
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| PATA | COG3621 | Patatin-like phospholipase/acyl hydrolase, includes sporulation protein CotR [General function ... |
1-231 | 3.69e-42 | |||||
Patatin-like phospholipase/acyl hydrolase, includes sporulation protein CotR [General function prediction only]; Pssm-ID: 442839 [Multi-domain] Cd Length: 296 Bit Score: 155.83 E-value: 3.69e-42
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| SH3_BAIAP2L2 | cd11914 | Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; ... |
645-703 | 4.14e-31 | |||||
Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; BAIAP2L2 co-localizes with clathrin plaques but its function has not been determined. It contains an N-terminal IMD or Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The related proteins, BAIAP2L1 and IRSp53, function as regulators of membrane dynamics and the actin cytoskeleton. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212847 [Multi-domain] Cd Length: 59 Bit Score: 115.68 E-value: 4.14e-31
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| CBASS_lipase | NF041079 | CBASS cGAMP-activated phospholipase; |
10-229 | 2.27e-22 | |||||
CBASS cGAMP-activated phospholipase; Pssm-ID: 469006 [Multi-domain] Cd Length: 317 Bit Score: 98.72 E-value: 2.27e-22
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| Patatin | pfam01734 | Patatin-like phospholipase; This family consists of various patatin glycoproteins from plants. ... |
12-196 | 3.68e-21 | |||||
Patatin-like phospholipase; This family consists of various patatin glycoproteins from plants. The patatin protein accounts for up to 40% of the total soluble protein in potato tubers. Patatin is a storage protein but it also has the enzymatic activity of lipid acyl hydrolase, catalysing the cleavage of fatty acids from membrane lipids. Members of this family have been found also in vertebrates. Pssm-ID: 396341 Cd Length: 190 Bit Score: 91.90 E-value: 3.68e-21
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| SH3 | smart00326 | Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences ... |
644-701 | 7.30e-08 | |||||
Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences containing proline and hydrophobic amino acids. Pro-containing polypeptides may bind to SH3 domains in 2 different binding orientations. Pssm-ID: 214620 [Multi-domain] Cd Length: 56 Bit Score: 49.46 E-value: 7.30e-08
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| SH3_2 | pfam07653 | Variant SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in ... |
646-703 | 2.54e-04 | |||||
Variant SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organization. First described in the Src cytoplasmic tyrosine kinase. The structure is a partly opened beta barrel. Pssm-ID: 429575 [Multi-domain] Cd Length: 54 Bit Score: 39.50 E-value: 2.54e-04
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| PHA03307 | PHA03307 | transcriptional regulator ICP4; Provisional |
535-798 | 6.86e-04 | |||||
transcriptional regulator ICP4; Provisional Pssm-ID: 223039 [Multi-domain] Cd Length: 1352 Bit Score: 43.62 E-value: 6.86e-04
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| Name | Accession | Description | Interval | E-value | ||||||
| Pat_PNPLA9 | cd07212 | Patatin-like phospholipase domain containing protein 9; PNPLA9 is a Ca-independent ... |
11-289 | 9.12e-177 | ||||||
Patatin-like phospholipase domain containing protein 9; PNPLA9 is a Ca-independent phospholipase that catalyzes the hydrolysis of glycerophospholipids at the sn-2 position. PNPLA9 is also known as PLA2G6 (phospholipase A2 group VI) or iPLA2beta. PLA2G6 is stimulated by ATP and inhibited by bromoenol lactone (BEL). In humans, PNPLA9 in expressed ubiquitously and is involved in signal transduction, cell proliferation, and apoptotic cell death. Mutations in human PLA2G6 leads to infantile neuroaxonal dystrophy (INAD) and idiopathic neurodegeneration with brain iron accumulation (NBIA). This family includes PLA2G6 from Homo sapiens and Rattus norvegicus. Pssm-ID: 132851 [Multi-domain] Cd Length: 312 Bit Score: 511.11 E-value: 9.12e-177
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| I-BAR_IMD_BAIAP2L2 | cd07644 | Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific ... |
326-540 | 3.58e-141 | ||||||
Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; The IMD domain, also called Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, is a dimerization and lipid-binding module that bends membranes and induces membrane protrusions. This group is composed of uncharacterized proteins known as BAIAP2L2 (Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2). They contain an N-terminal IMD, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The related proteins, BAIAP2L1 and IRSp53, function as regulators of membrane dynamics and the actin cytoskeleton. The IMD domain binds and bundles actin filaments, binds membranes and produces membrane protrusions, and interacts with the small GTPase Rac. Pssm-ID: 153328 Cd Length: 215 Bit Score: 416.25 E-value: 3.58e-141
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| IMD | pfam08397 | IRSp53/MIM homology domain; The N-terminal predicted helical stretch of the insulin receptor ... |
336-545 | 8.72e-106 | ||||||
IRSp53/MIM homology domain; The N-terminal predicted helical stretch of the insulin receptor tyrosine kinase substrate p53 (IRSp53) is an evolutionary conserved F-actin bundling domain involved in filopodium formation. The domain has been named IMD after the IRSp53 and missing in metastasis (MIM) proteins in which it occurs. Filopodium-inducing IMD activity is regulated by Cdc42 and Rac1 and is SH3-independent. Pssm-ID: 429972 Cd Length: 218 Bit Score: 324.52 E-value: 8.72e-106
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| I-BAR_IMD | cd07605 | Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), a dimerization module ... |
326-540 | 1.46e-91 | ||||||
Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), a dimerization module that binds and bends membranes; Inverse (I)-BAR (or IMD) is a member of the Bin/Amphiphysin/Rvs (BAR) domain family. It is a dimerization and lipid-binding module that bends membranes and induces membrane protrusions in the opposite direction compared to classical BAR and F-BAR domains, which produce membrane invaginations. IMD domains are found in Insulin Receptor tyrosine kinase Substrate p53 (IRSp53), Missing in Metastasis (MIM), and Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-like (BAIAP2L) proteins. These are multi-domain proteins that act as scaffolding proteins and transducers of a variety of signaling pathways that link membrane dynamics and the underlying actin cytoskeleton. Most members contain an N-terminal IMD, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus, exccept for MIM which does not carry an SH3 domain. Some members contain additional domains and motifs. The IMD domain binds and bundles actin filaments, binds membranes and produces membrane protrusions, and interacts with the small GTPase Rac. Pssm-ID: 153289 [Multi-domain] Cd Length: 223 Bit Score: 287.73 E-value: 1.46e-91
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| Pat17_PNPLA8_PNPLA9_like | cd07199 | Patatin-like phospholipase; includes PNPLA8, PNPLA9, and Pat17; Patatin is a storage protein ... |
12-289 | 4.74e-46 | ||||||
Patatin-like phospholipase; includes PNPLA8, PNPLA9, and Pat17; Patatin is a storage protein of the potato tuber that shows Phospholipase A2 activity (PLA2; EC 3.1.1.4). Patatin catalyzes the nonspecific hydrolysis of phospholipids, glycolipids, sulfolipids, and mono- and diacylglycerols, thereby showing lipid acyl hydrolase activity. The active site includes an oxyanion hole with a conserved GGxR motif; it is found in almost all the members of this family. The catalytic dyad is formed by a serine and an aspartate. Patatin belongs to the alpha-beta hydrolase family which is identified by a characteristic nucleophile elbow with a consensus sequence of Sm-X-Nu-Sm (Sm = small residue, X = any residue and Nu = nucleophile). Members of this family have been found also in vertebrates. This family includes subfamily of PNPLA8 (iPLA2-gamma) and PNPLA9 (iPLA2-beta) like phospholipases from human as well as the Pat17 isozyme from Solanum cardiophyllum. Pssm-ID: 132838 [Multi-domain] Cd Length: 258 Bit Score: 165.58 E-value: 4.74e-46
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| I-BAR_IMD_BAIAP2L1 | cd07645 | Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific ... |
326-538 | 2.72e-44 | ||||||
Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 1; The IMD domain, also called Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, is a dimerization and lipid-binding module that bends membranes and induces membrane protrusions. BAIAP2L1 (Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 1) is also known as IRTKS (Insulin Receptor Tyrosine Kinase Substrate). It is widely expressed, serves as a substrate for the insulin receptor, and binds the small GTPase Rac. It plays a role in regulating the actin cytoskeleton and colocalizes with F-actin, cortactin, VASP, and vinculin. BAIAP2L1 expression leads to the formation of short actin bundles, distinct from filopodia-like protrusions induced by the expression of the related protein IRSp53. It contains an N-terminal IMD, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The IMD domain of BAIAP2L1 binds and bundles actin filaments, and binds the small GTPase Rac. Pssm-ID: 153329 Cd Length: 226 Bit Score: 159.70 E-value: 2.72e-44
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| I-BAR_IMD_IRSp53 | cd07646 | Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Insulin Receptor ... |
326-548 | 6.18e-44 | ||||||
Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), of Insulin Receptor tyrosine kinase Substrate p53; The IMD domain, also called Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, is a dimerization and lipid-binding module that bends membranes and induces membrane protrusions. IRSp53 (Insulin Receptor tyrosine kinase Substrate p53) is also known as BAIAP2 (Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2). It is a scaffolding protein that takes part in many signaling pathways including Cdc42-induced filopodia formation, Rac-mediated lamellipodia extension, and spine morphogenesis. IRSp53 exists as multiple splicing variants that differ mainly at the C-termini. One variant (T-form) is expressed exclusively in human breast cancer cells. The gene encoding IRSp53 is a putative susceptibility gene for Gilles de la Tourette syndrome. IRSp53 contains an N-terminal IMD, a CRIB (Cdc42 and Rac interactive binding motif), an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. Its IMD domain binds and bundles actin filaments, binds membranes, and interacts with the small GTPase Rac. Pssm-ID: 153330 Cd Length: 232 Bit Score: 158.55 E-value: 6.18e-44
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| PATA | COG3621 | Patatin-like phospholipase/acyl hydrolase, includes sporulation protein CotR [General function ... |
1-231 | 3.69e-42 | ||||||
Patatin-like phospholipase/acyl hydrolase, includes sporulation protein CotR [General function prediction only]; Pssm-ID: 442839 [Multi-domain] Cd Length: 296 Bit Score: 155.83 E-value: 3.69e-42
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| Pat_PNPLA8 | cd07211 | Patatin-like phospholipase domain containing protein 8; PNPLA8 is a Ca-independent myocardial ... |
10-270 | 9.58e-35 | ||||||
Patatin-like phospholipase domain containing protein 8; PNPLA8 is a Ca-independent myocardial phospholipase which maintains mitochondrial integrity. PNPLA8 is also known as iPLA2-gamma. In humans, it is predominantly expressed in heart tissue. iPLA2-gamma can catalyze both phospholipase A1 and A2 reactions (PLA1 and PLA2 respectively). This family includes PNPLA8 (iPLA2-gamma) from Homo sapiens and iPLA2-2 from Mus musculus. Pssm-ID: 132850 [Multi-domain] Cd Length: 308 Bit Score: 134.69 E-value: 9.58e-35
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| SH3_BAIAP2L2 | cd11914 | Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; ... |
645-703 | 4.14e-31 | ||||||
Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 2; BAIAP2L2 co-localizes with clathrin plaques but its function has not been determined. It contains an N-terminal IMD or Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The related proteins, BAIAP2L1 and IRSp53, function as regulators of membrane dynamics and the actin cytoskeleton. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212847 [Multi-domain] Cd Length: 59 Bit Score: 115.68 E-value: 4.14e-31
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| Pat17_PNPLA8_PNPLA9_like2 | cd07215 | Patatin-like phospholipase of bacteria; Patatin is a storage protein of the potato tuber that ... |
11-229 | 1.14e-25 | ||||||
Patatin-like phospholipase of bacteria; Patatin is a storage protein of the potato tuber that shows Phospholipase A2 activity (PLA2; EC 3.1.1.4). Patatin catalyzes the nonspecific hydrolysis of phospholipids, glycolipids, sulfolipids, and mono- and diacylglycerols, thereby showing lipid acyl hydrolase activity. The active site includes an oxyanion hole with a conserved GGxR motif; it is found in almost all the members of this family. The catalytic dyad is formed by a serine and an aspartate. Patatin belongs to the alpha-beta hydrolase family which is identified by a characteristic nucleophile elbow with a consensus sequence of Sm-X-Nu-Sm (Sm = small residue, X = any residue and Nu = nucleophile). Members of this family have been found also in vertebrates. This family includes subfamily of PNPLA8 (iPLA2-gamma) and PNPLA9 (iPLA2-beta) like phospholipases from human as well as the Pat17 isozyme from Solanum cardiophyllum. Pssm-ID: 132854 [Multi-domain] Cd Length: 329 Bit Score: 109.03 E-value: 1.14e-25
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| Pat17_PNPLA8_PNPLA9_like1 | cd07213 | Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows ... |
12-231 | 1.01e-22 | ||||||
Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows Phospholipase A2 activity (PLA2; EC 3.1.1.4). Patatin catalyzes the nonspecific hydrolysis of phospholipids, glycolipids, sulfolipids, and mono- and diacylglycerols, thereby showing lipid acyl hydrolase activity. The active site includes an oxyanion hole with a conserved GGxR motif; it is found in almost all the members of this family. The catalytic dyad is formed by a serine and an aspartate. Patatin belongs to the alpha-beta hydrolase family which is identified by a characteristic nucleophile elbow with a consensus sequence of Sm-X-Nu-Sm (Sm = small residue, X = any residue and Nu = nucleophile). Members of this family have been found also in vertebrates. This family includes subfamily of PNPLA8 (iPLA2-gamma) and PNPLA9 (iPLA2-beta) like phospholipases from human as well as the Pat17 isozyme from Solanum cardiophyllum. Pssm-ID: 132852 [Multi-domain] Cd Length: 288 Bit Score: 99.28 E-value: 1.01e-22
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| CBASS_lipase | NF041079 | CBASS cGAMP-activated phospholipase; |
10-229 | 2.27e-22 | ||||||
CBASS cGAMP-activated phospholipase; Pssm-ID: 469006 [Multi-domain] Cd Length: 317 Bit Score: 98.72 E-value: 2.27e-22
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| SH3_Irsp53_BAIAP2L | cd11779 | Src Homology 3 domain of Insulin Receptor tyrosine kinase Substrate p53, Brain-specific ... |
645-702 | 5.31e-22 | ||||||
Src Homology 3 domain of Insulin Receptor tyrosine kinase Substrate p53, Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2 (BAIAP2)-Like proteins, and similar proteins; Proteins in this family include IRSp53, BAIAP2L1, BAIAP2L2, and similar proteins. They all contain an Inverse-Bin/Amphiphysin/Rvs (I-BAR) or IMD domain in addition to the SH3 domain. IRSp53, also known as BAIAP2, is a scaffolding protein that takes part in many signaling pathways including Cdc42-induced filopodia formation, Rac-mediated lamellipodia extension, and spine morphogenesis. IRSp53 exists as multiple splicing variants that differ mainly at the C-termini. BAIAP2L1, also called IRTKS (Insulin Receptor Tyrosine Kinase Substrate), serves as a substrate for the insulin receptor and binds the small GTPase Rac. It plays a role in regulating the actin cytoskeleton and colocalizes with F-actin, cortactin, VASP, and vinculin. IRSp53 and IRTKS also mediate the recruitment of effector proteins Tir and EspFu, which regulate host cell actin reorganization, to bacterial attachment sites. BAIAP2L2 co-localizes with clathrin plaques but its function has not been determined. The SH3 domains of IRSp53 and IRTKS have been shown to bind the proline-rich C-terminus of EspFu. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212713 [Multi-domain] Cd Length: 57 Bit Score: 89.69 E-value: 5.31e-22
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| Pat17_PNPLA8_PNPLA9_like3 | cd07216 | Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows ... |
11-289 | 2.45e-21 | ||||||
Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows Phospholipase A2 activity (PLA2; EC 3.1.1.4). Patatin catalyzes the nonspecific hydrolysis of phospholipids, glycolipids, sulfolipids, and mono- and diacylglycerols, thereby showing lipid acyl hydrolase activity. The active site includes an oxyanion hole with a conserved GGxR motif; it is found in almost all the members of this family. The catalytic dyad is formed by a serine and an aspartate. Patatin belongs to the alpha-beta hydrolase family which is identified by a characteristic nucleophile elbow with a consensus sequence of Sm-X-Nu-Sm (Sm = small residue, X = any residue and Nu = nucleophile). Members of this family have been found also in vertebrates. This family includes subfamily of PNPLA8 (iPLA2-gamma) and PNPLA9 (iPLA2-beta) like phospholipases from human as well as the Pat17 isozyme from Solanum cardiophyllum. Pssm-ID: 132855 [Multi-domain] Cd Length: 309 Bit Score: 95.45 E-value: 2.45e-21
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| Patatin | pfam01734 | Patatin-like phospholipase; This family consists of various patatin glycoproteins from plants. ... |
12-196 | 3.68e-21 | ||||||
Patatin-like phospholipase; This family consists of various patatin glycoproteins from plants. The patatin protein accounts for up to 40% of the total soluble protein in potato tubers. Patatin is a storage protein but it also has the enzymatic activity of lipid acyl hydrolase, catalysing the cleavage of fatty acids from membrane lipids. Members of this family have been found also in vertebrates. Pssm-ID: 396341 Cd Length: 190 Bit Score: 91.90 E-value: 3.68e-21
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| Pat17_PNPLA8_PNPLA9_like4 | cd07217 | Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows ... |
11-255 | 2.38e-17 | ||||||
Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows Phospholipase A2 activity (PLA2; EC 3.1.1.4). Patatin catalyzes the nonspecific hydrolysis of phospholipids, glycolipids, sulfolipids, and mono- and diacylglycerols, thereby showing lipid acyl hydrolase activity. The active site includes an oxyanion hole with a conserved GGxR motif; it is found in almost all the members of this family. The catalytic dyad is formed by a serine and an aspartate. Patatin belongs to the alpha-beta hydrolase family which is identified by a characteristic nucleophile elbow with a consensus sequence of Sm-X-Nu-Sm (Sm = small residue, X = any residue and Nu = nucleophile). Members of this family have been found also in vertebrates. This family includes subfamily of PNPLA8 (iPLA2-gamma) and PNPLA9 (iPLA2-beta) like phospholipases from human as well as the Pat17 isozyme from Solanum cardiophyllum. Pssm-ID: 132856 [Multi-domain] Cd Length: 344 Bit Score: 84.47 E-value: 2.38e-17
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| SH3_BAIAP2L1 | cd11913 | Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 1, ... |
645-702 | 2.57e-16 | ||||||
Src Homology 3 domain of Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2-Like 1, also called Insulin Receptor Tyrosine Kinase Substrate (IRTKS); BAIAP2L1 or IRTKS is widely expressed, serves as a substrate for the insulin receptor, and binds the small GTPase Rac. It plays a role in regulating the actin cytoskeleton and colocalizes with F-actin, cortactin, VASP, and vinculin. BAIAP2L1 expression leads to the formation of short actin bundles, distinct from filopodia-like protrusions induced by the expression of the related protein IRSp53. IRTKS mediates the recruitment of effector proteins Tir and EspFu, which regulate host cell actin reorganization, to bacterial attachment sites. It contains an N-terminal IMD or Inverse-Bin/Amphiphysin/Rvs (I-BAR) domain, an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The SH3 domain of IRTKS has been shown to bind the proline-rich C-terminus of EspFu. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212846 Cd Length: 58 Bit Score: 73.80 E-value: 2.57e-16
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| SH3_Irsp53 | cd11915 | Src Homology 3 domain of Insulin Receptor tyrosine kinase Substrate p53; IRSp53 is also known ... |
646-703 | 7.05e-16 | ||||||
Src Homology 3 domain of Insulin Receptor tyrosine kinase Substrate p53; IRSp53 is also known as BAIAP2 (Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2). It is a scaffolding protein that takes part in many signaling pathways including Cdc42-induced filopodia formation, Rac-mediated lamellipodia extension, and spine morphogenesis. IRSp53 exists as multiple splicing variants that differ mainly at the C-termini. One variant (T-form) is expressed exclusively in human breast cancer cells. The gene encoding IRSp53 is a putative susceptibility gene for Gilles de la Tourette syndrome. IRSp53 can also mediate the recruitment of effector proteins Tir and EspFu, which regulate host cell actin reorganization, to bacterial attachment sites. It contains an N-terminal IMD, a CRIB (Cdc42 and Rac interactive binding motif), an SH3 domain, and a WASP homology 2 (WH2) actin-binding motif at the C-terminus. The SH3 domain of IRSp53 has been shown to bind the proline-rich C-terminus of EspFu. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212848 Cd Length: 59 Bit Score: 72.35 E-value: 7.05e-16
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| Pat17_isozyme_like | cd07214 | Patatin-like phospholipase of plants; Pat17 is an isozyme of patatin cloned from Solanum ... |
11-231 | 1.24e-11 | ||||||
Patatin-like phospholipase of plants; Pat17 is an isozyme of patatin cloned from Solanum cardiophyllum. Patatin is a storage protein of the potato tuber that shows Phospholipase A2 activity (PLA2; EC 3.1.1.4). Patatin catalyzes the nonspecific hydrolysis of phospholipids, glycolipids, sulfolipids, and mono- and diacylglycerols, thereby showing lipid acyl hydrolase activity. The active site includes an oxyanion hole with a conserved GGxR motif; it is found in almost all the members of this family. The catalytic dyad is formed by a serine and an aspartate. Patatin belongs to the alpha-beta hydrolase family which is identified by a characteristic nucleophile elbow with a consensus sequence of Sm-X-Nu-Sm (Sm = small residue, X = any residue, and Nu = nucleophile). Patatin-like phospholipase are included in this group. Members of this family have also been found in vertebrates. Pssm-ID: 132853 [Multi-domain] Cd Length: 349 Bit Score: 67.08 E-value: 1.24e-11
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| SH3_Intersectin_2 | cd11837 | Second Src homology 3 domain (or SH3B) of Intersectin; Intersectins (ITSNs) are adaptor ... |
657-702 | 3.37e-08 | ||||||
Second Src homology 3 domain (or SH3B) of Intersectin; Intersectins (ITSNs) are adaptor proteins that function in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. They are essential for initiating clathrin-coated pit formation. They bind to many proteins through their multidomain structure and facilitate the assembly of multimeric complexes. Vertebrates contain two ITSN proteins, ITSN1 and ITSN2, which exist in alternatively spliced short and long isoforms. The short isoforms contain two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoforms, in addition, contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. ITSN1 and ITSN2 are both widely expressed, with variations depending on tissue type and stage of development. The second SH3 domain (or SH3B) of ITSN1 has been shown to bind WNK and CdGAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212771 [Multi-domain] Cd Length: 53 Bit Score: 50.44 E-value: 3.37e-08
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| SH3 | smart00326 | Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences ... |
644-701 | 7.30e-08 | ||||||
Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences containing proline and hydrophobic amino acids. Pro-containing polypeptides may bind to SH3 domains in 2 different binding orientations. Pssm-ID: 214620 [Multi-domain] Cd Length: 56 Bit Score: 49.46 E-value: 7.30e-08
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| SH3_MYO15 | cd11884 | Src Homology 3 domain of Myosin XV; This subfamily is composed of proteins with similarity to ... |
658-702 | 6.05e-07 | ||||||
Src Homology 3 domain of Myosin XV; This subfamily is composed of proteins with similarity to Myosin XVa. Myosin XVa is an unconventional myosin that is critical for the normal growth of mechanosensory stereocilia of inner ear hair cells. Mutations in the myosin XVa gene are associated with nonsyndromic hearing loss. Myosin XVa contains a unique N-terminal extension followed by a motor domain, light chain-binding IQ motifs, and a tail consisting of a pair of MyTH4-FERM tandems separated by a SH3 domain, and a PDZ domain. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212817 [Multi-domain] Cd Length: 56 Bit Score: 46.94 E-value: 6.05e-07
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| SH3 | cd00174 | Src Homology 3 domain superfamily; Src Homology 3 (SH3) domains are protein interaction ... |
646-699 | 6.86e-07 | ||||||
Src Homology 3 domain superfamily; Src Homology 3 (SH3) domains are protein interaction domains that bind proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. Thus, they are referred to as proline-recognition domains (PRDs). SH3 domains are less selective and show more diverse specificity compared to other PRDs. They have been shown to bind peptide sequences that lack the PxxP motif; examples include the PxxDY motif of Eps8 and the RKxxYxxY sequence in SKAP55. SH3 domain containing proteins play versatile and diverse roles in the cell, including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies, among others. Many members of this superfamily are adaptor proteins that associate with a number of protein partners, facilitating complex formation and signal transduction. Pssm-ID: 212690 [Multi-domain] Cd Length: 51 Bit Score: 46.69 E-value: 6.86e-07
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| SH3_Intersectin_1 | cd11836 | First Src homology 3 domain (or SH3A) of Intersectin; Intersectins (ITSNs) are adaptor ... |
646-700 | 1.42e-06 | ||||||
First Src homology 3 domain (or SH3A) of Intersectin; Intersectins (ITSNs) are adaptor proteins that function in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. They are essential for initiating clathrin-coated pit formation. They bind to many proteins through their multidomain structure and facilitate the assembly of multimeric complexes. Vertebrates contain two ITSN proteins, ITSN1 and ITSN2, which exist in alternatively spliced short and long isoforms. The short isoforms contain two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoforms, in addition, contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. ITSN1 and ITSN2 are both widely expressed, with variations depending on tissue type and stage of development. The first SH3 domain (or SH3A) of ITSN1 has been shown to bind many proteins including Sos1, dynamin1/2, CIN85, c-Cbl, PI3K-C2, SHIP2, N-WASP, and CdGAP, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212770 [Multi-domain] Cd Length: 55 Bit Score: 45.81 E-value: 1.42e-06
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| SH3_Intersectin2_2 | cd11990 | Second Src homology 3 domain (or SH3B) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor ... |
658-701 | 1.83e-06 | ||||||
Second Src homology 3 domain (or SH3B) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN2 also functions as a specific GEF for Cdc42 activation in epithelial morphogenesis, and is required in mitotic spindle orientation. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The second SH3 domain (or SH3B) of ITSN2 is expected to bind protein partners, similar to ITSN1 which has been shown to bind WNK and CdGAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212923 [Multi-domain] Cd Length: 52 Bit Score: 45.42 E-value: 1.83e-06
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| SH3_PIX | cd11877 | Src Homology 3 domain of Pak Interactive eXchange factors; PIX proteins are Rho guanine ... |
647-702 | 8.92e-06 | ||||||
Src Homology 3 domain of Pak Interactive eXchange factors; PIX proteins are Rho guanine nucleotide exchange factors (GEFs), which activate small GTPases by exchanging bound GDP for free GTP. They act as GEFs for both Cdc42 and Rac 1, and have been implicated in cell motility, adhesion, neurite outgrowth, and cell polarity. Vertebrates contain two proteins from the PIX subfamily, alpha-PIX and beta-PIX. Alpha-PIX, also called ARHGEF6, is localized in dendritic spines where it regulates spine morphogenesis. Mutations in the ARHGEF6 gene cause X-linked intellectual disability in humans. Beta-PIX play roles in regulating neuroendocrine exocytosis, focal adhesion maturation, cell migration, synaptic vesicle localization, and insulin secretion. PIX proteins contain an N-terminal SH3 domain followed by RhoGEF (also called Dbl-homologous or DH) and Pleckstrin Homology (PH) domains, and a C-terminal leucine-zipper domain for dimerization. The SH3 domain of PIX binds to an atypical PxxxPR motif in p21-activated kinases (PAKs) with high affinity. The binding of PAKs to PIX facilitate the localization of PAKs to focal complexes and also localizes PAKs to PIX targets Cdc43 and Rac, leading to the activation of PAKs. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212810 [Multi-domain] Cd Length: 53 Bit Score: 43.46 E-value: 8.92e-06
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| Patatin | cd07198 | Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows ... |
12-195 | 1.06e-05 | ||||||
Patatin-like phospholipase; Patatin is a storage protein of the potato tuber that shows Phospholipase A2 activity (PLA2; EC 3.1.1.4). Patatin catalyzes the nonspecific hydrolysis of phospholipids, glycolipids, sulfolipids, and mono- and diacylglycerols, thereby showing lipid acyl hydrolase activity. The active site includes an oxyanion hole with a conserved GGxR motif; it is found in almost all the members of this family. The catalytic dyad is formed by a serine and an aspartate. Patatin belongs to the alpha-beta hydrolase family which is identified by a characteristic nucleophile elbow with a consensus sequence of Sm-X-Nu-Sm (Sm = small residue, X = any residue and Nu = nucleophile). Members of this family have been found also in vertebrates. This family includes PNPLA (1-9), TGL (3-5), ExoU-like, and SDP1-like subfamilies. There are some additional hypothetical proteins included in this family. Pssm-ID: 132837 [Multi-domain] Cd Length: 172 Bit Score: 46.57 E-value: 1.06e-05
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| SH3_PACSIN1-2 | cd11998 | Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons 1 (PACSIN1) ... |
646-702 | 1.08e-05 | ||||||
Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons 1 (PACSIN1) and PACSIN 2; PACSIN 1 or Syndapin I (Synaptic dynamin-associated protein I) is expressed specifically in the brain and is localized in neurites and synaptic boutons. It binds the brain-specific proteins dynamin I, synaptojanin, synapsin I, and neural Wiskott-Aldrich syndrome protein (nWASP), and functions as a link between the cytoskeletal machinery and synaptic vesicle endocytosis. PACSIN 1 interacts with huntingtin and may be implicated in the neuropathology of Huntington's disease. PACSIN 2 or Syndapin II is expressed ubiquitously and is involved in the regulation of tubulin polymerization. It associates with Golgi membranes and forms a complex with dynamin II which is crucial in promoting vesicle formation from the trans-Golgi network. PACSINs act as regulators of cytoskeletal and membrane dynamics. Vetebrates harbor three isoforms with distinct expression patterns and specific functions. PACSINs contain an N-terminal F-BAR domain and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212931 [Multi-domain] Cd Length: 56 Bit Score: 43.40 E-value: 1.08e-05
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| SH3_GRAF-like | cd11882 | Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase and similar ... |
646-702 | 1.79e-05 | ||||||
Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase and similar proteins; This subfamily is composed of Rho GTPase activating proteins (GAPs) with similarity to GRAF. Members contain an N-terminal BAR domain, followed by a Pleckstrin homology (PH) domain, a Rho GAP domain, and a C-terminal SH3 domain. Although vertebrates harbor four Rho GAPs in the GRAF subfamily including GRAF, GRAF2, GRAF3, and Oligophrenin-1 (OPHN1), only three are included in this model. OPHN1 contains the BAR, PH and GAP domains, but not the C-terminal SH3 domain. GRAF and GRAF2 show GAP activity towards RhoA and Cdc42. GRAF influences Rho-mediated cytoskeletal rearrangements and binds focal adhesion kinase. GRAF2 regulates caspase-activated p21-activated protein kinase-2. The SH3 domain of GRAF and GRAF2 binds PKNbeta, a target of the small GTPase Rho. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212815 [Multi-domain] Cd Length: 54 Bit Score: 42.67 E-value: 1.79e-05
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| SH3_GAS7 | cd11829 | Src homology 3 domain of Growth Arrest Specific protein 7; GAS7 is mainly expressed in the ... |
653-700 | 3.65e-05 | ||||||
Src homology 3 domain of Growth Arrest Specific protein 7; GAS7 is mainly expressed in the brain and is required for neurite outgrowth. It may also play a role in the protection and migration of embryonic stem cells. Treatment-related acute myeloid leukemia (AML) has been reported resulting from mixed-lineage leukemia (MLL)-GAS7 translocations as a complication of primary cancer treatment. GAS7 contains an N-terminal SH3 domain, followed by a WW domain, and a central F-BAR domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212763 [Multi-domain] Cd Length: 52 Bit Score: 41.73 E-value: 3.65e-05
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| SH3_VAV_1 | cd11831 | First Src homology 3 domain of VAV proteins; VAV proteins function both as cytoplasmic guanine ... |
656-702 | 4.81e-05 | ||||||
First Src homology 3 domain of VAV proteins; VAV proteins function both as cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho GTPases and scaffold proteins and they play important roles in cell signaling by coupling cell surface receptors to various effector functions. They play key roles in processes that require cytoskeletal reorganization including immune synapse formation, phagocytosis, cell spreading, and platelet aggregation, among others. Vertebrates have three VAV proteins (VAV1, VAV2, and VAV3). VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The SH3 domain of VAV is involved in the localization of proteins to specific sites within the cell, by interacting with proline-rich sequences within target proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212765 Cd Length: 62 Bit Score: 41.82 E-value: 4.81e-05
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| SH3_Intersectin1_2 | cd11989 | Second Src homology 3 domain (or SH3B) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
658-701 | 5.16e-05 | ||||||
Second Src homology 3 domain (or SH3B) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The second SH3 domain (or SH3B) of ITSN1 has been shown to bind WNK and CdGAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212922 [Multi-domain] Cd Length: 52 Bit Score: 41.62 E-value: 5.16e-05
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| SH3_Intersectin2_1 | cd11988 | First Src homology 3 domain (or SH3A) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor ... |
655-701 | 5.36e-05 | ||||||
First Src homology 3 domain (or SH3A) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN2 also functions as a specific GEF for Cdc42 activation in epithelial morphogenesis, and is required in mitotic spindle orientation. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The first SH3 domain (or SH3A) of ITSN2 is expected to bind many protein partners, similar to ITSN1 which has been shown to bind Sos1, dynamin1/2, CIN85, c-Cbl, PI3K-C2, SHIP2, N-WASP, and CdGAP, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212921 [Multi-domain] Cd Length: 57 Bit Score: 41.40 E-value: 5.36e-05
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| SH3_PACSIN | cd11843 | Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons (PACSIN) ... |
646-700 | 5.69e-05 | ||||||
Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons (PACSIN) proteins; PACSINs, also called Synaptic dynamin-associated proteins (Syndapins), act as regulators of cytoskeletal and membrane dynamics. They bind both dynamin and Wiskott-Aldrich syndrome protein (WASP), and may provide direct links between the actin cytoskeletal machinery through WASP and dynamin-dependent endocytosis. Vetebrates harbor three isoforms with distinct expression patterns and specific functions. PACSINs contain an N-terminal F-BAR domain and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212777 [Multi-domain] Cd Length: 53 Bit Score: 41.25 E-value: 5.69e-05
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| SH3_Amphiphysin | cd11790 | Src Homology 3 domain of Amphiphysin and related domains; Amphiphysins function primarily in ... |
646-703 | 2.34e-04 | ||||||
Src Homology 3 domain of Amphiphysin and related domains; Amphiphysins function primarily in endocytosis and other membrane remodeling events. They exist in several isoforms and mammals possess two amphiphysin proteins from distinct genes. Amphiphysin I proteins, enriched in the brain and nervous system, contain domains that bind clathrin, Adaptor Protein complex 2 (AP2), dynamin, and synaptojanin. They function in synaptic vesicle endocytosis. Human autoantibodies to amphiphysin I hinder GABAergic signaling and contribute to the pathogenesis of paraneoplastic stiff-person syndrome. Some amphiphysin II isoforms, also called Bridging integrator 1 (Bin1), are localized in many different tissues and may function in intracellular vesicle trafficking. In skeletal muscle, Bin1 plays a role in the organization and maintenance of the T-tubule network. Mutations in Bin1 are associated with autosomal recessive centronuclear myopathy. Amphiphysins contain an N-terminal BAR domain with an additional N-terminal amphipathic helix (an N-BAR), a variable central domain, and a C-terminal SH3 domain. The SH3 domain of amphiphysins bind proline-rich motifs present in binding partners such as dynamin, synaptojanin, and nsP3. It also belongs to a subset of SH3 domains that bind ubiquitin in a site that overlaps with the peptide binding site. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212724 [Multi-domain] Cd Length: 64 Bit Score: 40.00 E-value: 2.34e-04
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| SH3_2 | pfam07653 | Variant SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in ... |
646-703 | 2.54e-04 | ||||||
Variant SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organization. First described in the Src cytoplasmic tyrosine kinase. The structure is a partly opened beta barrel. Pssm-ID: 429575 [Multi-domain] Cd Length: 54 Bit Score: 39.50 E-value: 2.54e-04
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| SH3_VAV1_1 | cd11979 | First Src homology 3 domain of VAV1 protein; VAV1 is expressed predominantly in the ... |
656-702 | 3.02e-04 | ||||||
First Src homology 3 domain of VAV1 protein; VAV1 is expressed predominantly in the hematopoietic system and it plays an important role in the development and activation of B and T cells. It is activated by tyrosine phosphorylation to function as a guanine nucleotide exchange factor (GEF) for Rho GTPases following cell surface receptor activation, triggering various effects such as cytoskeletal reorganization, transcription regulation, cell cycle progression, and calcium mobilization. It also serves as a scaffold protein and has been shown to interact with Ku70, Socs1, Janus kinase 2, SIAH2, S100B, Abl gene, ZAP-70, SLP76, and Syk, among others. VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The first SH3 domain of Vav1 has been shown to bind the adaptor protein Grb2. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212912 Cd Length: 63 Bit Score: 39.58 E-value: 3.02e-04
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| SH3_Myosin-I_fungi | cd11858 | Src homology 3 domain of Type I fungal Myosins; Type I myosins (myosin-I) are actin-dependent ... |
662-702 | 6.82e-04 | ||||||
Src homology 3 domain of Type I fungal Myosins; Type I myosins (myosin-I) are actin-dependent motors in endocytic actin structures and actin patches. They play roles in membrane traffic in endocytic and secretory pathways, cell motility, and mechanosensing. Saccharomyces cerevisiae has two myosins-I, Myo3 and Myo5, which are involved in endocytosis and the polarization of the actin cytoskeleton. Myosin-I contains an N-terminal actin-activated ATPase, a phospholipid-binding TH1 (tail homology 1) domain, and a C-terminal extension which includes an F-actin-binding TH2 domain, an SH3 domain, and an acidic peptide that participates in activating the Arp2/3complex. The SH3 domain of myosin-I is required for myosin-I-induced actin polymerization. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212792 [Multi-domain] Cd Length: 55 Bit Score: 38.52 E-value: 6.82e-04
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| PHA03307 | PHA03307 | transcriptional regulator ICP4; Provisional |
535-798 | 6.86e-04 | ||||||
transcriptional regulator ICP4; Provisional Pssm-ID: 223039 [Multi-domain] Cd Length: 1352 Bit Score: 43.62 E-value: 6.86e-04
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| SH3_VAV_2 | cd11830 | C-terminal (or second) Src homology 3 domain of VAV proteins; VAV proteins function both as ... |
662-701 | 7.85e-04 | ||||||
C-terminal (or second) Src homology 3 domain of VAV proteins; VAV proteins function both as cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho GTPases and scaffold proteins and they play important roles in cell signaling by coupling cell surface receptors to various effector functions. They play key roles in processes that require cytoskeletal reorganization including immune synapse formation, phagocytosis, cell spreading, and platelet aggregation, among others. Vertebrates have three VAV proteins (VAV1, VAV2, and VAV3). VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The SH3 domain of VAV is involved in the localization of proteins to specific sites within the cell, by interacting with proline-rich sequences within target proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212764 [Multi-domain] Cd Length: 54 Bit Score: 38.38 E-value: 7.85e-04
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| SH3_betaPIX | cd12061 | Src Homology 3 domain of beta-Pak Interactive eXchange factor; Beta-PIX, also called Rho ... |
647-701 | 7.89e-04 | ||||||
Src Homology 3 domain of beta-Pak Interactive eXchange factor; Beta-PIX, also called Rho guanine nucleotide exchange factor 7 (ARHGEF7) or Cool (Cloned out of Library)-1, activates small GTPases by exchanging bound GDP for free GTP. It acts as a GEF for both Cdc42 and Rac 1, and plays important roles in regulating neuroendocrine exocytosis, focal adhesion maturation, cell migration, synaptic vesicle localization, and insulin secretion. PIX proteins contain an N-terminal SH3 domain followed by RhoGEF (also called Dbl-homologous or DH) and Pleckstrin Homology (PH) domains, and a C-terminal leucine-zipper domain for dimerization. The SH3 domain of PIX binds to an atypical PxxxPR motif in p21-activated kinases (PAKs) with high affinity. The binding of PAKs to PIX facilitate the localization of PAKs to focal complexes and also localizes PAKs to PIX targets Cdc43 and Rac, leading to the activation of PAKs. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212994 [Multi-domain] Cd Length: 54 Bit Score: 38.13 E-value: 7.89e-04
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| SH3_VAV1_2 | cd11976 | C-terminal (or second) Src homology 3 domain of VAV1 protein; VAV1 is expressed predominantly ... |
658-701 | 7.97e-04 | ||||||
C-terminal (or second) Src homology 3 domain of VAV1 protein; VAV1 is expressed predominantly in the hematopoietic system and it plays an important role in the development and activation of B and T cells. It is activated by tyrosine phosphorylation to function as a guanine nucleotide exchange factor (GEF) for Rho GTPases following cell surface receptor activation, triggering various effects such as cytoskeletal reorganization, transcription regulation, cell cycle progression, and calcium mobilization. It also serves as a scaffold protein and has been shown to interact with Ku70, Socs1, Janus kinase 2, SIAH2, S100B, Abl gene, ZAP-70, SLP76, and Syk, among others. VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The C-terminal SH3 domain of Vav1 interacts with a wide variety of proteins including cytoskeletal regulators (zyxin), RNA-binding proteins (Sam68), transcriptional regulators, viral proteins, and dynamin 2. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212909 [Multi-domain] Cd Length: 54 Bit Score: 38.00 E-value: 7.97e-04
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| SH3_Sdc25 | cd11883 | Src Homology 3 domain of Sdc25/Cdc25 guanine nucleotide exchange factors; This subfamily is ... |
660-699 | 1.10e-03 | ||||||
Src Homology 3 domain of Sdc25/Cdc25 guanine nucleotide exchange factors; This subfamily is composed of the Saccharomyces cerevisiae guanine nucleotide exchange factors (GEFs) Sdc25 and Cdc25, and similar proteins. These GEFs regulate Ras by stimulating the GDP/GTP exchange on Ras. Cdc25 is involved in the Ras/PKA pathway that plays an important role in the regulation of metabolism, stress responses, and proliferation, depending on available nutrients and conditions. Proteins in this subfamily contain an N-terminal SH3 domain as well as REM (Ras exchanger motif) and RasGEF domains at the C-terminus. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212816 Cd Length: 55 Bit Score: 37.65 E-value: 1.10e-03
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| SH3_VAV3_2 | cd11978 | C-terminal (or second) Src homology 3 domain of VAV3 protein; VAV3 is ubiquitously expressed ... |
662-701 | 1.19e-03 | ||||||
C-terminal (or second) Src homology 3 domain of VAV3 protein; VAV3 is ubiquitously expressed and functions as a phosphorylation-dependent guanine nucleotide exchange factor (GEF) for RhoA, RhoG, and Rac1. It has been implicated to function in the hematopoietic, bone, cerebellar, and cardiovascular systems. VAV3 is essential in axon guidance in neurons that control blood pressure and respiration. It is overexpressed in prostate cancer cells and it plays a role in regulating androgen receptor transcriptional activity. VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The SH3 domain of VAV is involved in the localization of proteins to specific sites within the cell, by interacting with proline-rich sequences within target proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212911 [Multi-domain] Cd Length: 56 Bit Score: 37.70 E-value: 1.19e-03
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| SH3_p47phox_like | cd11856 | Src homology 3 domains of the p47phox subunit of NADPH oxidase and similar domains; This ... |
655-702 | 1.30e-03 | ||||||
Src homology 3 domains of the p47phox subunit of NADPH oxidase and similar domains; This family is composed of the tandem SH3 domains of p47phox subunit of NADPH oxidase and Nox Organizing protein 1 (NoxO1), the four SH3 domains of Tks4 (Tyr kinase substrate with four SH3 domains), the five SH3 domains of Tks5, the SH3 domain of obscurin, Myosin-I, and similar domains. Most members of this group also contain Phox homology (PX) domains, except for obscurin and Myosin-I. p47phox and NoxO1 are regulators of the phagocytic NADPH oxidase complex (also called Nox2 or gp91phox) and nonphagocytic NADPH oxidase Nox1, respectively. They play roles in the activation of their respective NADPH oxidase, which catalyzes the transfer of electrons from NADPH to molecular oxygen to form superoxide. Tks proteins are Src substrates and scaffolding proteins that play important roles in the formation of podosomes and invadopodia, the dynamic actin-rich structures that are related to cell migration and cancer cell invasion. Obscurin is a giant muscle protein that plays important roles in the organization and assembly of the myofibril and the sarcoplasmic reticulum. Type I myosins (Myosin-I) are actin-dependent motors in endocytic actin structures and actin patches. They play roles in membrane traffic in endocytic and secretory pathways, cell motility, and mechanosensing. Myosin-I contains an N-terminal actin-activated ATPase, a phospholipid-binding TH1 (tail homology 1) domain, and a C-terminal extension which includes an F-actin-binding TH2 domain, an SH3 domain, and an acidic peptide that participates in activating the Arp2/3complex. The SH3 domain of myosin-I is required for myosin-I-induced actin polymerization. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212790 [Multi-domain] Cd Length: 53 Bit Score: 37.62 E-value: 1.30e-03
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| SH3_VAV2_1 | cd11980 | First Src homology 3 domain of VAV2 protein; VAV2 is widely expressed and functions as a ... |
660-702 | 1.40e-03 | ||||||
First Src homology 3 domain of VAV2 protein; VAV2 is widely expressed and functions as a guanine nucleotide exchange factor (GEF) for RhoA, RhoB and RhoG and also activates Rac1 and Cdc42. It is implicated in many cellular and physiological functions including blood pressure control, eye development, neurite outgrowth and branching, EGFR endocytosis and degradation, and cell cluster morphology, among others. It has been reported to associate with Nek3. VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The SH3 domain of VAV is involved in the localization of proteins to specific sites within the cell, by interacting with proline-rich sequences within target proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212913 Cd Length: 60 Bit Score: 37.61 E-value: 1.40e-03
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| SH3_p47phox_1 | cd12021 | First or N-terminal Src homology 3 domain of the p47phox subunit of NADPH oxidase, also called ... |
662-702 | 1.89e-03 | ||||||
First or N-terminal Src homology 3 domain of the p47phox subunit of NADPH oxidase, also called Neutrophil Cytosolic Factor 1; p47phox, or NCF1, is a cytosolic subunit of the phagocytic NADPH oxidase complex (also called Nox2 or gp91phox), which plays a key role in the ability of phagocytes to defend against bacterial infections. NADPH oxidase catalyzes the transfer of electrons from NADPH to oxygen during phagocytosis forming superoxide and reactive oxygen species. p47phox is required for activation of NADH oxidase and plays a role in translocation. It contains an N-terminal Phox homology (PX) domain, tandem SH3 domains (N-SH3 and C-SH3), a polybasic/autoinhibitory region, and a C-terminal proline-rich region (PRR). This model characterizes the first SH3 domain (or N-SH3) of p47phox. In its inactive state, the tandem SH3 domains interact intramolecularly with the autoinhibitory region; upon activation, the tandem SH3 domains are exposed through a conformational change, resulting in their binding to the PRR of p22phox and the activation of NADPH oxidase. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212954 [Multi-domain] Cd Length: 53 Bit Score: 37.24 E-value: 1.89e-03
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| SH3_Cyk3p-like | cd11889 | Src Homology 3 domain of Cytokinesis protein 3 and similar proteins; Cytokinesis protein 3 ... |
646-700 | 2.41e-03 | ||||||
Src Homology 3 domain of Cytokinesis protein 3 and similar proteins; Cytokinesis protein 3 (Cyk3 or Cyk3p) is a component of the actomyosin ring independent cytokinesis pathway in yeast. It interacts with Inn1 and facilitates its recruitment to the bud neck, thereby promoting cytokinesis. Cyk3p contains an N-terminal SH3 domain and a C-terminal transglutaminase-like domain. The Cyk3p SH3 domain binds to the C-terminal proline-rich region of Inn1. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212822 Cd Length: 53 Bit Score: 36.71 E-value: 2.41e-03
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| SH3_Lasp1_C | cd11934 | C-terminal Src Homology 3 domain of LIM and SH3 domain protein 1; Lasp1 is a cytoplasmic ... |
644-703 | 2.50e-03 | ||||||
C-terminal Src Homology 3 domain of LIM and SH3 domain protein 1; Lasp1 is a cytoplasmic protein that binds focal adhesion proteins and is involved in cell signaling, migration, and proliferation. It is overexpressed in several cancer cells including breast, ovarian, bladder, and liver. In cancer cells, it can be found in the nucleus; its degree of nuclear localization correlates with tumor size and poor prognosis. Lasp1 is a 36kD protein containing an N-terminal LIM domain, two nebulin repeats, and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212867 [Multi-domain] Cd Length: 59 Bit Score: 36.90 E-value: 2.50e-03
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| SH3_GRAF | cd12064 | Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase; GRAF, also ... |
645-703 | 4.61e-03 | ||||||
Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase; GRAF, also called Rho GTPase activating protein 26 (ARHGAP26), Oligophrenin-1-like (OPHN1L) or GRAF1, is a GAP with activity towards RhoA and Cdc42 and is only weakly active towards Rac1. It influences Rho-mediated cytoskeletal rearrangements and binds focal adhesion kinase (FAK), which is a critical component of integrin signaling. It is essential for the major clathrin-independent endocytic pathway mediated by pleiomorphic membranes. GRAF contains an N-terminal BAR domain, followed by a Pleckstrin homology (PH) domain, a Rho GAP domain, and a C-terminal SH3 domain. The SH3 domain of GRAF binds PKNbeta, a target of the small GTPase Rho. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212997 Cd Length: 56 Bit Score: 36.25 E-value: 4.61e-03
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| SH3_ARHGEF9_like | cd11828 | Src homology 3 domain of ARHGEF9-like Rho guanine nucleotide exchange factors; Members of this ... |
662-701 | 6.03e-03 | ||||||
Src homology 3 domain of ARHGEF9-like Rho guanine nucleotide exchange factors; Members of this family contain a SH3 domain followed by RhoGEF (also called Dbl-homologous or DH) and Pleckstrin Homology (PH) domains. They include the Rho guanine nucleotide exchange factors ARHGEF9, ASEF (also called ARHGEF4), ASEF2, and similar proteins. GEFs activate small GTPases by exchanging bound GDP for free GTP. ARHGEF9 specifically activates Cdc42, while both ASEF and ASEF2 can activate Rac1 and Cdc42. ARHGEF9 is highly expressed in the brain and it interacts with gephyrin, a postsynaptic protein associated with GABA and glycine receptors. ASEF plays a role in angiogenesis and cell migration. ASEF2 is important in cell migration and adhesion dynamics. ASEF exists in an autoinhibited form and is activated upon binding of the tumor suppressor APC (adenomatous polyposis coli), leading to the activation of Rac1 or Cdc42. In its autoinhibited form, the SH3 domain of ASEF forms an extensive interface with the DH and PH domains, blocking the Rac binding site. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212762 [Multi-domain] Cd Length: 53 Bit Score: 35.82 E-value: 6.03e-03
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| PHA03247 | PHA03247 | large tegument protein UL36; Provisional |
532-824 | 8.54e-03 | ||||||
large tegument protein UL36; Provisional Pssm-ID: 223021 [Multi-domain] Cd Length: 3151 Bit Score: 39.92 E-value: 8.54e-03
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