SH3 domain-containing GRB2-like protein B1 [Caenorhabditis elegans]
Protein Classification
endophilin-B( domain architecture ID 10166139)
endophilin-B is cytoplasmic protein expressed mainly in the heart, placenta, and skeletal muscle; it contains an N-terminal BAR (Bin/Amphiphysin/Rvs) domain and a C-terminal SH3 (Src homology 3) domain
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||
| BAR_Endophilin_B | cd07594 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B; BAR domains are dimerization, lipid ... |
21-264 | 4.20e-130 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Vertebrates contain two endophilin-B isoforms. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. : Pssm-ID: 153278 Cd Length: 229 Bit Score: 371.72 E-value: 4.20e-130
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| SH3_Endophilin_B | cd11802 | Src homology 3 domain of Endophilin-B; Endophilins play roles in synaptic vesicle formation, ... |
311-362 | 4.15e-24 | |||||
Src homology 3 domain of Endophilin-B; Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. They are classified into two types, A and B. Vertebrates contain two endophilin-B isoforms. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, 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: 212736 [Multi-domain] Cd Length: 52 Bit Score: 93.51 E-value: 4.15e-24
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| Name | Accession | Description | Interval | E-value | |||||
| BAR_Endophilin_B | cd07594 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B; BAR domains are dimerization, lipid ... |
21-264 | 4.20e-130 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Vertebrates contain two endophilin-B isoforms. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. Pssm-ID: 153278 Cd Length: 229 Bit Score: 371.72 E-value: 4.20e-130
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| BAR | pfam03114 | BAR domain; BAR domains are dimerization, lipid binding and curvature sensing modules found in ... |
16-265 | 2.59e-71 | |||||
BAR domain; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different protein families. A BAR domain with an additional N-terminal amphipathic helix (an N-BAR) can drive membrane curvature. These N-BAR domains are found in amphiphysin, endophilin, BRAP and Nadrin. BAR domains are also frequently found alongside domains that determine lipid specificity, like pfam00169 and pfam00787 domains in beta centaurins and sorting nexins respectively. Pssm-ID: 460810 [Multi-domain] Cd Length: 235 Bit Score: 222.21 E-value: 2.59e-71
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| BAR | smart00721 | BAR domain; |
16-266 | 8.67e-65 | |||||
BAR domain; Pssm-ID: 214787 [Multi-domain] Cd Length: 239 Bit Score: 205.70 E-value: 8.67e-65
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| SH3_Endophilin_B | cd11802 | Src homology 3 domain of Endophilin-B; Endophilins play roles in synaptic vesicle formation, ... |
311-362 | 4.15e-24 | |||||
Src homology 3 domain of Endophilin-B; Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. They are classified into two types, A and B. Vertebrates contain two endophilin-B isoforms. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, 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: 212736 [Multi-domain] Cd Length: 52 Bit Score: 93.51 E-value: 4.15e-24
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| SH3 | smart00326 | Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences ... |
310-364 | 3.39e-06 | |||||
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: 43.68 E-value: 3.39e-06
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| SH3_9 | pfam14604 | Variant SH3 domain; |
314-364 | 4.22e-04 | |||||
Variant SH3 domain; Pssm-ID: 434066 [Multi-domain] Cd Length: 49 Bit Score: 37.60 E-value: 4.22e-04
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| Name | Accession | Description | Interval | E-value | |||||
| BAR_Endophilin_B | cd07594 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B; BAR domains are dimerization, lipid ... |
21-264 | 4.20e-130 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Vertebrates contain two endophilin-B isoforms. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. Pssm-ID: 153278 Cd Length: 229 Bit Score: 371.72 E-value: 4.20e-130
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| BAR_Endophilin_B2 | cd07617 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B2; BAR domains are dimerization, lipid ... |
21-264 | 1.97e-86 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B2; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Vertebrates contain two endophilin-B isoforms. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. Endophilin-B2, also called SH3GLB2 (SH3-domain GRB2-like endophilin B2), is a cytoplasmic protein that interacts with the apoptosis inducer Bax. It is overexpressed in prostate cancer metastasis and has been identified as a cancer antigen with potential utility in immunotherapy. Endophilin-B2 forms homo- and heterodimers (with endophilin-B1) through its BAR domain, which can bind and bend membranes. Pssm-ID: 153301 Cd Length: 220 Bit Score: 260.73 E-value: 1.97e-86
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| BAR_Endophilin_B1 | cd07616 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B1; BAR domains are dimerization, lipid ... |
21-264 | 1.81e-84 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-B1; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. Endophilin-B1, also called Bax-interacting factor 1 (Bif-1) or SH3GLB1 (SH3-domain GRB2-like endophilin B1), is localized mainly to the Golgi apparatus. It is involved in the regulation of many biological events including autophagy, tumorigenesis, nerve growth factor (NGF) trafficking, neurite outgrowth, mitochondrial outer membrane dynamics, and cell death. Endophilin-B1 forms homo- and heterodimers (with endophilin-B2) through its BAR domain, which can bind and bend membranes. It interacts with amphiphysin 1 and dynamin 1 through its SH3 domain. Pssm-ID: 153300 Cd Length: 229 Bit Score: 255.77 E-value: 1.81e-84
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| BAR | pfam03114 | BAR domain; BAR domains are dimerization, lipid binding and curvature sensing modules found in ... |
16-265 | 2.59e-71 | |||||
BAR domain; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different protein families. A BAR domain with an additional N-terminal amphipathic helix (an N-BAR) can drive membrane curvature. These N-BAR domains are found in amphiphysin, endophilin, BRAP and Nadrin. BAR domains are also frequently found alongside domains that determine lipid specificity, like pfam00169 and pfam00787 domains in beta centaurins and sorting nexins respectively. Pssm-ID: 460810 [Multi-domain] Cd Length: 235 Bit Score: 222.21 E-value: 2.59e-71
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| BAR | smart00721 | BAR domain; |
16-266 | 8.67e-65 | |||||
BAR domain; Pssm-ID: 214787 [Multi-domain] Cd Length: 239 Bit Score: 205.70 E-value: 8.67e-65
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| SH3_Endophilin_B | cd11802 | Src homology 3 domain of Endophilin-B; Endophilins play roles in synaptic vesicle formation, ... |
311-362 | 4.15e-24 | |||||
Src homology 3 domain of Endophilin-B; Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. They are classified into two types, A and B. Vertebrates contain two endophilin-B isoforms. Endophilin-B proteins are cytoplasmic proteins expressed mainly in the heart, placenta, and skeletal muscle. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, 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: 212736 [Multi-domain] Cd Length: 52 Bit Score: 93.51 E-value: 4.15e-24
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| BAR_Endophilin_A | cd07592 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A; BAR domains are dimerization, lipid ... |
31-269 | 2.49e-21 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins are accessory proteins, localized at synapses, which interact with the endocytic proteins, dynamin and synaptojanin. They are essential for synaptic vesicle formation from the plasma membrane. They interact with voltage-gated calcium channels, thus linking vesicle endocytosis to calcium regulation. They also play roles in virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Vertebrates contain three endophilin-A isoforms. Endophilin-A proteins are enriched in the brain and play multiple roles in receptor-mediated endocytosis. They tubulate membranes and regulate calcium influx into neurons to trigger the activation of the endocytic machinery. They are also involved in the sorting of plasma membrane proteins, actin filament assembly, and the uncoating of clathrin-coated vesicles for fusion with endosomes. The BAR domains of endophilin-A1 and A3 form crescent-shaped dimers that can detect membrane curvature and drive membrane bending. Pssm-ID: 153276 Cd Length: 223 Bit Score: 91.22 E-value: 2.49e-21
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| BAR_MUG137_fungi | cd07593 | The Bin/Amphiphysin/Rvs (BAR) domain of Schizosaccharomyces pombe Meiotically Up-regulated ... |
31-260 | 1.58e-17 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Schizosaccharomyces pombe Meiotically Up-regulated Gene 137 protein and similar proteins; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions including organelle biogenesis, membrane trafficking or remodeling, and cell division and migration. This subfamily is composed predominantly of uncharacterized fungal proteins with similarity to Schizosaccharomyces pombe Meiotically Up-regulated Gene 137 protein (MUG137), which may play a role in meiosis and sporulation in fission yeast. MUG137 contains an N-terminal BAR domain and a C-terminal SH3 domain, similar to endophilins. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. BAR domains form dimers that bind to membranes, induce membrane bending and curvature, and may also be involved in protein-protein interactions. Pssm-ID: 153277 Cd Length: 215 Bit Score: 80.47 E-value: 1.58e-17
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| SH3_Endophilin_B1 | cd11945 | Src homology 3 domain of Endophilin-B1; Endophilin-B1, also called Bax-interacting factor 1 ... |
308-366 | 2.46e-15 | |||||
Src homology 3 domain of Endophilin-B1; Endophilin-B1, also called Bax-interacting factor 1 (Bif-1) or SH3GLB1 (SH3-domain GRB2-like endophilin B1), is localized mainly to the Golgi apparatus. It is involved in the regulation of many biological events including autophagy, tumorigenesis, nerve growth factor (NGF) trafficking, neurite outgrowth, mitochondrial outer membrane dynamics, and cell death. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. They contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. Endophilin-B1 forms homo- and heterodimers (with endophilin-B2) through its BAR domain. It interacts with amphiphysin 1 and dynamin 1 through its 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: 212878 Cd Length: 61 Bit Score: 69.67 E-value: 2.46e-15
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| BAR_Endophilin_A2 | cd07614 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A2; BAR domains are dimerization, lipid ... |
31-268 | 2.94e-15 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A2; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins are accessory proteins, localized at synapses, which interact with the endocytic proteins, dynamin and synaptojanin. They are essential for synaptic vesicle formation from the plasma membrane. They interact with voltage-gated calcium channels, thus linking vesicle endocytosis to calcium regulation. They also play roles in virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Endophilin-A proteins are enriched in the brain and play multiple roles in receptor-mediated endocytosis. Endophilin-A2 (or endophilin-2) is also referred to as SH3P8 (SH3 domain containing protein 8) or SH3GL1 (SH3 domain containing Grb2-like protein 1). It localizes to presynaptic nerve terminals and forms heterodimers with endophilin-A1 through their BAR domains. Endophilin-A2 binds dynamin 1, synaptojanin 1, and the beta1-adrenergic receptor cytoplasmic tail through its SH3 domain. Pssm-ID: 153298 Cd Length: 223 Bit Score: 73.98 E-value: 2.94e-15
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| BAR | cd07307 | The Bin/Amphiphysin/Rvs (BAR) domain, a dimerization module that binds membranes and detects ... |
94-261 | 6.09e-15 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain, a dimerization module that binds membranes and detects membrane curvature; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions including organelle biogenesis, membrane trafficking or remodeling, and cell division and migration. Mutations in BAR containing proteins have been linked to diseases and their inactivation in cells leads to altered membrane dynamics. A BAR domain with an additional N-terminal amphipathic helix (an N-BAR) can drive membrane curvature. These N-BAR domains are found in amphiphysins and endophilins, among others. BAR domains are also frequently found alongside domains that determine lipid specificity, such as the Pleckstrin Homology (PH) and Phox Homology (PX) domains which are present in beta centaurins (ACAPs and ASAPs) and sorting nexins, respectively. A FES-CIP4 Homology (FCH) domain together with a coiled coil region is called the F-BAR domain and is present in Pombe/Cdc15 homology (PCH) family proteins, which include Fes/Fes tyrosine kinases, PACSIN or syndapin, CIP4-like proteins, and srGAPs, among others. The Inverse (I)-BAR or IRSp53/MIM homology Domain (IMD) is found in multi-domain proteins, such as IRSp53 and MIM, that act as scaffolding proteins and transducers of a variety of signaling pathways that link membrane dynamics and the underlying actin cytoskeleton. BAR domains form dimers that bind to membranes, induce membrane bending and curvature, and may also be involved in protein-protein interactions. The I-BAR domain induces membrane protrusions in the opposite direction compared to classical BAR and F-BAR domains, which produce membrane invaginations. BAR domains that also serve as protein interaction domains include those of arfaptin and OPHN1-like proteins, among others, which bind to Rac and Rho GAP domains, respectively. Pssm-ID: 153271 [Multi-domain] Cd Length: 194 Bit Score: 72.48 E-value: 6.09e-15
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| BAR_Endophilin_A1 | cd07613 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A1; BAR domains are dimerization, lipid ... |
31-264 | 3.67e-14 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A1; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Vertebrates contain three endophilin-A isoforms. Endophilin-A proteins are enriched in the brain and play multiple roles in receptor-mediated endocytosis. Endophilin-A1 (or endophilin-1) is also referred to as SH3P4 (SH3 domain containing protein 4) or SH3GL2 (SH3 domain containing Grb2-like protein 2). It is localized in presynaptic nerve terminals. It plays many roles in clathrin-dependent endocytosis of synaptic vesicles including early vesicle formation, ubiquitin-dependent sorting of plasma membrane proteins, and regulation of calcium influx into neurons. The BAR domain of endophilin-A1 forms crescent-shaped dimers that can detect membrane curvature and drive membrane bending, while its SH3 domain binds the endocytic proteins, dynamin 1, synaptojanin 1, and amphiphysins. Pssm-ID: 153297 Cd Length: 223 Bit Score: 70.80 E-value: 3.67e-14
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| BAR_Endophilin_A3 | cd07615 | The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A3; BAR domains are dimerization, lipid ... |
31-269 | 1.21e-13 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Endophilin-A3; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. Endophilins are accessory proteins localized at synapses that interacts with the endocytic proteins, dynamin and synaptojanin. They are essential for synaptic vesicle formation from the plasma membrane. They interact with voltage-gated calcium channels, thus linking vesicle endocytosis to calcium regulation. They also play roles in virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. They are classified into two types, A and B. Endophilin-A proteins are enriched in the brain and play multiple roles in receptor-mediated endocytosis. Endophilin-A3 (or endophilin-3) is also referred to as SH3P13 (SH3 domain containing protein 13) or SH3GL3 (SH3 domain containing Grb2-like protein 3). It regulates Arp2/3-dependent actin filament assembly during endocytosis. It binds N-WASP through its SH3 domain and enhances the ability of N-WASP to activate the Arp2/3 complex. Endophilin-A3 co-localizes with the vesicular glutamate transporter 1 (VGLUT1), and may play an important role in the synaptic release of glutamate. Pssm-ID: 153299 Cd Length: 223 Bit Score: 69.66 E-value: 1.21e-13
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| SH3_Endophilin_B2 | cd11944 | Src homology 3 domain of Endophilin-B2; Endophilin-B2, also called SH3GLB2 (SH3-domain ... |
311-365 | 1.55e-13 | |||||
Src homology 3 domain of Endophilin-B2; Endophilin-B2, also called SH3GLB2 (SH3-domain GRB2-like endophilin B2), is a cytoplasmic protein that interacts with the apoptosis inducer Bax. It is overexpressed in prostate cancer metastasis and has been identified as a cancer antigen with potential utility in immunotherapy. Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. They contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. Endophilin-B2 forms homo- and heterodimers (with endophilin-B1) through its BAR domain. The related protein endophilin-B1 interacts with amphiphysin 1 and dynamin 1 through its 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: 212877 Cd Length: 55 Bit Score: 64.63 E-value: 1.55e-13
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| BAR_RhoGAP_Rich-like | cd07595 | The Bin/Amphiphysin/Rvs (BAR) domain of Rich-like Rho GTPase Activating Proteins; BAR domains ... |
25-250 | 4.73e-13 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Rich-like Rho GTPase Activating Proteins; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. This subfamily is composed of Rho and Rac GTPase activating proteins (GAPs) with similarity to GAP interacting with CIP4 homologs proteins (Rich). Members contain an N-terminal BAR domain, followed by a Rho GAP domain, and a C-terminal prolin-rich region. Vertebrates harbor at least three Rho GAPs in this subfamily including Rich1, Rich2, and SH3-domain binding protein 1 (SH3BP1). Rich1 and Rich2 play complementary roles in the establishment and maintenance of cell polarity. Rich1 is a Cdc42- and Rac-specific GAP that binds to polarity proteins through the scaffold protein angiomotin and plays a role in maintaining the integrity of tight junctions. Rich2 is a Rac GAP that interacts with CD317 and plays a role in actin cytoskeleton organization and the maintenance of microvilli in polarized epithelial cells. SH3BP1 is a Rac GAP that inhibits Rac-mediated platelet-derived growth factor (PDGF)-induced membrane ruffling. BAR domains form dimers that bind to membranes, induce membrane bending and curvature, and may also be involved in protein-protein interactions. The BAR domain of Rich1 has been shown to form oligomers, bind membranes and induce membrane tubulation. Pssm-ID: 153279 [Multi-domain] Cd Length: 244 Bit Score: 68.13 E-value: 4.73e-13
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| BAR_Gvp36 | cd07600 | The Bin/Amphiphysin/Rvs (BAR) domain of Saccharomyces cerevisiae Golgi vesicle protein of 36 ... |
96-264 | 5.43e-11 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of Saccharomyces cerevisiae Golgi vesicle protein of 36 kDa and similar proteins; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions including organelle biogenesis, membrane trafficking or remodeling, and cell division and migration. Proteomic analysis shows that Golgi vesicle protein of 36 kDa (Gvp36) may be involved in vesicular trafficking and nutritional adaptation. A Saccharomyces cerevisiae strain deficient in Gvp36 shows defects in growth, in actin cytoskeleton polarization, in endocytosis, in vacuolar biogenesis, and in the cell cycle. BAR domains form dimers that bind to membranes, induce membrane bending and curvature, and may also be involved in protein-protein interactions. Pssm-ID: 153284 [Multi-domain] Cd Length: 242 Bit Score: 61.99 E-value: 5.43e-11
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| SH3 | smart00326 | Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences ... |
310-364 | 3.39e-06 | |||||
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: 43.68 E-value: 3.39e-06
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| BAR_Rich1 | cd07618 | The Bin/Amphiphysin/Rvs (BAR) domain of RhoGAP interacting with CIP4 homologs protein 1; BAR ... |
25-181 | 2.47e-05 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of RhoGAP interacting with CIP4 homologs protein 1; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. RhoGAP interacting with CIP4 homologs protein 1 (Rich1) is also called Neuron-associated developmentally-regulated protein (Nadrin) or Rho GTPase activating protein 17 (ARHGAP17). It is a Cdc42- and Rac-specific GAP that binds to polarity proteins through the scaffold protein angiomotin and plays a role in maintaining the integrity of tight junctions. It may be a component of a sorting mechanism in the recycling of tight junction transmembrane proteins. Rich1 contains an N-terminal BAR domain followed by a Rho GAP domain and a C-terminal proline-rich domain. It interacts with the BAR domain proteins endophilin and amphiphysin through its proline-rich region. The BAR domain of Rich1 forms oligomers and can bind membranes and induce membrane tubulation. Pssm-ID: 153302 Cd Length: 246 Bit Score: 45.03 E-value: 2.47e-05
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| I-BAR_IMD | cd07605 | Inverse (I)-BAR, also known as the IRSp53/MIM homology Domain (IMD), a dimerization module ... |
91-265 | 2.79e-05 | |||||
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: 44.66 E-value: 2.79e-05
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| SH3_CIN85_3 | cd12057 | Third Src Homology 3 domain (SH3C) of Cbl-interacting protein of 85 kDa; CIN85, also called ... |
311-366 | 5.86e-05 | |||||
Third Src Homology 3 domain (SH3C) of Cbl-interacting protein of 85 kDa; CIN85, also called SH3 domain-containing kinase-binding protein 1 (SH3KBP1) or CD2-binding protein 3 (CD2BP3) or Ruk, is an adaptor protein that is involved in the downregulation of receptor tyrosine kinases by facilitating endocytosis through interaction with endophilin-associated ubiquitin ligase Cbl proteins. It is also important in many other cellular processes including vesicle-mediated transport, cytoskeletal remodelling, apoptosis, cell adhesion and migration, and viral infection, among others. CIN85 exists as multiple variants from alternative splicing; the main variant contains three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. This alignment model represents the third SH3 domain (SH3C) of CIN85. SH3C has been shown to bind ubiquitin. 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: 212990 [Multi-domain] Cd Length: 56 Bit Score: 40.27 E-value: 5.86e-05
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| SH3_SH3RF_1 | cd11786 | First Src Homology 3 domain of SH3 domain containing ring finger proteins; This model ... |
312-364 | 8.86e-05 | |||||
First Src Homology 3 domain of SH3 domain containing ring finger proteins; This model represents the first SH3 domain of SH3RF1 (or POSH), SH3RF2 (or POSHER), SH3RF3 (POSH2), and similar domains. Members of this family are scaffold proteins that function as E3 ubiquitin-protein ligases. They all contain an N-terminal RING finger domain and multiple SH3 domains; SH3RF1 and SH3RF3 have four SH3 domains while SH3RF2 has three. SH3RF1 plays a role in calcium homeostasis through the control of the ubiquitin domain protein Herp. It may also have a role in regulating death receptor mediated and JNK mediated apoptosis. SH3RF3 interacts with p21-activated kinase 2 (PAK2) and GTP-loaded Rac1. It may play a role in regulating JNK mediated apoptosis in certain conditions. SH3RF2 acts as an anti-apoptotic regulator of the JNK pathway by binding to and promoting the degradation of SH3RF1. 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: 212720 [Multi-domain] Cd Length: 53 Bit Score: 39.65 E-value: 8.86e-05
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| SH3_Sorbs1_1 | cd11919 | First Src Homology 3 domain of Sorbin and SH3 domain containing 1 (Sorbs1), also called ponsin; ... |
310-366 | 2.09e-04 | |||||
First Src Homology 3 domain of Sorbin and SH3 domain containing 1 (Sorbs1), also called ponsin; Sorbs1 is also called ponsin, SH3P12, or CAP (c-Cbl associated protein). It is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. It binds Cbl and plays a major role in regulating the insulin signaling pathway by enhancing insulin-induced phosphorylation of Cbl. Sorbs1, like vinexin, localizes at cell-ECM and cell-cell adhesion sites where it binds vinculin, paxillin, and afadin. It may function in the control of cell motility. Other interaction partners of Sorbs1 include c-Abl, Sos, flotillin, Grb4, ataxin-7, filamin C, 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: 212852 [Multi-domain] Cd Length: 55 Bit Score: 38.79 E-value: 2.09e-04
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| SH3_DNMBP_N3 | cd11796 | Third N-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba; DNMBP or ... |
311-363 | 3.90e-04 | |||||
Third N-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba; DNMBP or Tuba is a cdc42-specific guanine nucleotide exchange factor (GEF) that contains four N-terminal SH3 domains, a central RhoGEF [or Dbl homology (DH)] domain followed by a Bin/Amphiphysin/Rvs (BAR) domain, and two C-terminal SH3 domains. It provides a functional link between dynamin and key regulatory proteins of the actin cytoskeleton. It plays an important role in regulating cell junction configuration. The four N-terminal SH3 domains of DNMBP binds the GTPase dynamin, which plays an important role in the fission of endocytic vesicles. 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: 212730 Cd Length: 51 Bit Score: 37.72 E-value: 3.90e-04
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| SH3_9 | pfam14604 | Variant SH3 domain; |
314-364 | 4.22e-04 | |||||
Variant SH3 domain; Pssm-ID: 434066 [Multi-domain] Cd Length: 49 Bit Score: 37.60 E-value: 4.22e-04
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| SH3_SNX18 | cd11897 | Src Homology 3 domain of Sorting nexin 18; SNX18 is localized to peripheral endosomal ... |
311-365 | 8.70e-04 | |||||
Src Homology 3 domain of Sorting nexin 18; SNX18 is localized to peripheral endosomal structures, and acts in a trafficking pathway that is clathrin-independent but relies on AP-1 and PACS1. It binds FIP5 and is required for apical lumen formation. It may also play a role in axonal elongation. SNXs are Phox homology (PX) domain containing proteins that are involved in regulating membrane traffic and protein sorting in the endosomal system. SNX18 also contains BAR and SH3 domains. 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: 212830 [Multi-domain] Cd Length: 55 Bit Score: 36.89 E-value: 8.70e-04
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| SH3_2 | pfam07653 | Variant SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in ... |
312-366 | 8.86e-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: 36.81 E-value: 8.86e-04
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| SH3 | cd00174 | Src Homology 3 domain superfamily; Src Homology 3 (SH3) domains are protein interaction ... |
311-362 | 9.61e-04 | |||||
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: 36.67 E-value: 9.61e-04
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| SH3_Sla1p_3 | cd11775 | Third Src Homology 3 domain of the fungal endocytic adaptor protein Sla1p; Sla1p facilitates ... |
310-365 | 1.09e-03 | |||||
Third Src Homology 3 domain of the fungal endocytic adaptor protein Sla1p; Sla1p facilitates endocytosis by playing a role as an adaptor protein in coupling components of the actin cytoskeleton to the endocytic machinery. It interacts with Abp1p, Las17p and Pan1p, which are activator proteins of actin-related protein 2/3 (Arp2/3). Sla1p contains multiple domains including three SH3 domains, a SAM (sterile alpha motif) domain, and a Sla1 homology domain 1 (SHD1), which binds to the NPFXD motif that is found in many integral membrane proteins such as the Golgi-localized Arf-binding protein Lsb5p and the P4-ATPases, Drs2p and Dnf1p. The third SH3 domain of Sla1p can bind ubiquitin while retaining the ability to bind proline-rich ligands; monoubiquitination of target proteins signals internalization and sorting through the endocytic pathway. 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: 212709 [Multi-domain] Cd Length: 57 Bit Score: 36.91 E-value: 1.09e-03
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| SH3_Sorbs2_1 | cd11920 | First Src Homology 3 domain of Sorbin and SH3 domain containing 2 (Sorbs2), also called ... |
312-366 | 1.18e-03 | |||||
First Src Homology 3 domain of Sorbin and SH3 domain containing 2 (Sorbs2), also called Arg-binding protein 2 (ArgBP2); Sorbs2 or ArgBP2 is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. It regulates actin-dependent processes including cell adhesion, morphology, and migration. It is expressed in many tissues and is abundant in the heart. Like vinexin, it is found in focal adhesion where it interacts with vinculin and afadin. It also localizes in epithelial cell stress fibers and in cardiac muscle cell Z-discs. Sorbs2 has been implicated to play roles in the signaling of c-Arg, Akt, and Pyk2. Other interaction partners of Sorbs2 include c-Abl, flotillin, spectrin, dynamin 1/2, synaptojanin, PTP-PEST, 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: 212853 [Multi-domain] Cd Length: 55 Bit Score: 36.53 E-value: 1.18e-03
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| SH3_Vinexin_1 | cd11921 | First Src Homology 3 domain of Vinexin, also called Sorbin and SH3 domain containing 3 (Sorbs3) ... |
310-366 | 1.24e-03 | |||||
First Src Homology 3 domain of Vinexin, also called Sorbin and SH3 domain containing 3 (Sorbs3); Vinexin is also called Sorbs3, SH3P3, and SH3-containing adapter molecule 1 (SCAM-1). It is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. Vinexin was first identified as a vinculin binding protein; it is co-localized with vinculin at cell-ECM and cell-cell adhesion sites. There are several splice variants of vinexin: alpha, which contains the SoHo and three SH3 domains and displays tissue-specific expression; and beta, which contains only the three SH3 domains and is widely expressed. Vinexin alpha stimulates the accumulation of F-actin at focal contact sites. Vinexin also promotes keratinocyte migration and wound healing. The SH3 domains of vinexin have been reported to bind a number of ligands including vinculin, WAVE2, DLG5, Abl, and Cbl. 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: 212854 Cd Length: 55 Bit Score: 36.82 E-value: 1.24e-03
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| SH3_Sorbs_2 | cd11782 | Second Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) proteins and similar ... |
311-364 | 1.26e-03 | |||||
Second Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) proteins and similar domains; This family, also called the vinexin family, is composed predominantly of adaptor proteins containing one sorbin homology (SoHo) and three SH3 domains. Members include the second SH3 domains of Sorbs1 (or ponsin), Sorbs2 (or ArgBP2), Vinexin (or Sorbs3), and similar domains. They are involved in the regulation of cytoskeletal organization, cell adhesion, and growth factor signaling. Members of this family bind multiple partners including signaling molecules like c-Abl, c-Arg, Sos, and c-Cbl, as well as cytoskeletal molecules such as vinculin and afadin. They may have overlapping functions. 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: 212716 [Multi-domain] Cd Length: 53 Bit Score: 36.56 E-value: 1.26e-03
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| SH3_Abp1_fungi_C2 | cd11961 | Second C-terminal Src homology 3 domain of Fungal Actin-binding protein 1; Abp1 is an adaptor ... |
312-365 | 1.46e-03 | |||||
Second C-terminal Src homology 3 domain of Fungal Actin-binding protein 1; Abp1 is an adaptor protein that functions in receptor-mediated endocytosis and vesicle trafficking. It contains an N-terminal actin-binding module, the actin-depolymerizing factor (ADF) homology domain, a central proline-rich region, and a C-terminal SH3 domain (many yeast Abp1 proteins contain two C-terminal SH3 domains). Yeast Abp1 also contains two acidic domains that bind directly to the Arp2/3 complex, which is required to initiate actin polymerization. The SH3 domain of yeast Abp1 binds and localizes the kinases, Ark1p and Prk1p, which facilitate actin patch disassembly following vesicle internalization. It also mediates the localization to the actin patch of the synaptojanin-like protein, Sjl2p, which plays a key role in endocytosis. 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: 212894 [Multi-domain] Cd Length: 53 Bit Score: 36.35 E-value: 1.46e-03
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| SH3_SNX9_like | cd11763 | Src Homology 3 domain of Sorting Nexin 9 and similar proteins; Sorting nexins (SNXs) are Phox ... |
311-364 | 1.69e-03 | |||||
Src Homology 3 domain of Sorting Nexin 9 and similar proteins; Sorting nexins (SNXs) are Phox homology (PX) domain containing proteins that are involved in regulating membrane traffic and protein sorting in the endosomal system. SNXs differ from each other in their lipid-binding specificity, subcellular localization and specific function in the endocytic pathway. This subfamily consists of SH3 domain containing SNXs including SNX9, SNX18, SNX33, and similar proteins. SNX9 is localized to plasma membrane endocytic sites and acts primarily in clathrin-mediated endocytosis, while SNX18 is localized to peripheral endosomal structures, and acts in a trafficking pathway that is clathrin-independent but relies on AP-1 and PACS1. 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: 212697 [Multi-domain] Cd Length: 55 Bit Score: 36.15 E-value: 1.69e-03
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| BAR_Rich2 | cd07619 | The Bin/Amphiphysin/Rvs (BAR) domain of RhoGAP interacting with CIP4 homologs protein 2; BAR ... |
93-263 | 1.92e-03 | |||||
The Bin/Amphiphysin/Rvs (BAR) domain of RhoGAP interacting with CIP4 homologs protein 2; BAR domains are dimerization, lipid binding and curvature sensing modules found in many different proteins with diverse functions. RhoGAP interacting with CIP4 homologs protein 2 (Rich2) is a Rho GTPase activating protein that interacts with CD317, a lipid raft-associated integral membrane protein. It plays a role in actin cytoskeleton organization and the maintenance of microvilli in polarized epithelial cells. Rich2 contains an N-terminal BAR domain followed by a GAP domain for Rho and Rac GTPases and a C-terminal proline-rich domain. BAR domains form dimers that bind to membranes, induce membrane bending and curvature, and may also be involved in protein-protein interactions. Pssm-ID: 153303 Cd Length: 248 Bit Score: 39.26 E-value: 1.92e-03
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| SH3_srGAP4 | cd11956 | Src homology 3 domain of Slit-Robo GTPase Activating Protein 4; srGAP4, also called ARHGAP4, ... |
311-365 | 2.35e-03 | |||||
Src homology 3 domain of Slit-Robo GTPase Activating Protein 4; srGAP4, also called ARHGAP4, is highly expressed in hematopoietic cells and may play a role in lymphocyte differentiation. It is able to stimulate the GTPase activity of Rac1, Cdc42, and RhoA. In the nervous system, srGAP4 has been detected in differentiating neurites and may be involved in axon and dendritic growth. srGAPs are Rho GAPs that interact with Robo1, the transmembrane receptor of Slit proteins. Slit proteins are secreted proteins that control axon guidance and the migration of neurons and leukocytes. srGAPs contain an N-terminal F-BAR domain, a Rho GAP 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: 212889 [Multi-domain] Cd Length: 55 Bit Score: 35.97 E-value: 2.35e-03
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