rho guanine nucleotide exchange factor 11 isoform X22 [Homo sapiens]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||||
| PH_PRG | cd13391 | PDZ Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; PRG (also called ... |
362-504 | 4.87e-80 | ||||||
PDZ Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; PRG (also called RhoGEF11) belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. RhoGEFs activate Rho GTPases regulating cytoskeletal structure, gene transcription, and cell migration. PRG contains an N-terminal PDZ domain, a regulators of G-protein signaling-like (RGSL) domain, a linker region, and a C-terminal Dbl-homology (DH) and pleckstrin-homology (PH) domains which bind and catalyze the exchange of GDP for GTP on RhoA. As is the case in p115-RhoGEF, it is thought that the PRG activated by relieving autoinhibition caused by the linker region. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. : Pssm-ID: 275426 Cd Length: 142 Bit Score: 255.73 E-value: 4.87e-80
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| RhoGEF | cd00160 | Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Also called Dbl-homologous ... |
158-344 | 3.20e-53 | ||||||
Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Also called Dbl-homologous (DH) domain. It appears that PH domains invariably occur C-terminal to RhoGEF/DH domains. : Pssm-ID: 238091 [Multi-domain] Cd Length: 181 Bit Score: 183.65 E-value: 3.20e-53
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| PHA03307 super family | cl33723 | transcriptional regulator ICP4; Provisional |
595-945 | 8.86e-03 | ||||||
transcriptional regulator ICP4; Provisional The actual alignment was detected with superfamily member PHA03307: Pssm-ID: 223039 [Multi-domain] Cd Length: 1352 Bit Score: 40.15 E-value: 8.86e-03
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| Name | Accession | Description | Interval | E-value | ||||||
| PH_PRG | cd13391 | PDZ Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; PRG (also called ... |
362-504 | 4.87e-80 | ||||||
PDZ Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; PRG (also called RhoGEF11) belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. RhoGEFs activate Rho GTPases regulating cytoskeletal structure, gene transcription, and cell migration. PRG contains an N-terminal PDZ domain, a regulators of G-protein signaling-like (RGSL) domain, a linker region, and a C-terminal Dbl-homology (DH) and pleckstrin-homology (PH) domains which bind and catalyze the exchange of GDP for GTP on RhoA. As is the case in p115-RhoGEF, it is thought that the PRG activated by relieving autoinhibition caused by the linker region. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275426 Cd Length: 142 Bit Score: 255.73 E-value: 4.87e-80
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| RhoGEF | cd00160 | Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Also called Dbl-homologous ... |
158-344 | 3.20e-53 | ||||||
Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Also called Dbl-homologous (DH) domain. It appears that PH domains invariably occur C-terminal to RhoGEF/DH domains. Pssm-ID: 238091 [Multi-domain] Cd Length: 181 Bit Score: 183.65 E-value: 3.20e-53
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| RhoGEF | smart00325 | Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Guanine nucleotide exchange ... |
161-345 | 1.05e-52 | ||||||
Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases Also called Dbl-homologous (DH) domain. It appears that PH domains invariably occur C-terminal to RhoGEF/DH domains. Improved coverage. Pssm-ID: 214619 [Multi-domain] Cd Length: 180 Bit Score: 182.12 E-value: 1.05e-52
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| RhoGEF | pfam00621 | RhoGEF domain; Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases Also called ... |
161-344 | 1.45e-48 | ||||||
RhoGEF domain; Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases Also called Dbl-homologous (DH) domain. It appears that pfam00169 domains invariably occur C-terminal to RhoGEF/DH domains. Pssm-ID: 459876 [Multi-domain] Cd Length: 176 Bit Score: 170.17 E-value: 1.45e-48
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| PH_16 | pfam17838 | PH domain; |
373-502 | 4.32e-44 | ||||||
PH domain; Pssm-ID: 436083 Cd Length: 127 Bit Score: 155.64 E-value: 4.32e-44
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| ROM1 | COG5422 | RhoGEF, Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases [Signal transduction ... |
139-398 | 4.93e-16 | ||||||
RhoGEF, Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases [Signal transduction mechanisms]; Pssm-ID: 227709 [Multi-domain] Cd Length: 1175 Bit Score: 83.40 E-value: 4.93e-16
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| PHA03307 | PHA03307 | transcriptional regulator ICP4; Provisional |
595-945 | 8.86e-03 | ||||||
transcriptional regulator ICP4; Provisional Pssm-ID: 223039 [Multi-domain] Cd Length: 1352 Bit Score: 40.15 E-value: 8.86e-03
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| Name | Accession | Description | Interval | E-value | ||||||
| PH_PRG | cd13391 | PDZ Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; PRG (also called ... |
362-504 | 4.87e-80 | ||||||
PDZ Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; PRG (also called RhoGEF11) belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. RhoGEFs activate Rho GTPases regulating cytoskeletal structure, gene transcription, and cell migration. PRG contains an N-terminal PDZ domain, a regulators of G-protein signaling-like (RGSL) domain, a linker region, and a C-terminal Dbl-homology (DH) and pleckstrin-homology (PH) domains which bind and catalyze the exchange of GDP for GTP on RhoA. As is the case in p115-RhoGEF, it is thought that the PRG activated by relieving autoinhibition caused by the linker region. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275426 Cd Length: 142 Bit Score: 255.73 E-value: 4.87e-80
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| RhoGEF | cd00160 | Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Also called Dbl-homologous ... |
158-344 | 3.20e-53 | ||||||
Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Also called Dbl-homologous (DH) domain. It appears that PH domains invariably occur C-terminal to RhoGEF/DH domains. Pssm-ID: 238091 [Multi-domain] Cd Length: 181 Bit Score: 183.65 E-value: 3.20e-53
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| RhoGEF | smart00325 | Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Guanine nucleotide exchange ... |
161-345 | 1.05e-52 | ||||||
Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases; Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases Also called Dbl-homologous (DH) domain. It appears that PH domains invariably occur C-terminal to RhoGEF/DH domains. Improved coverage. Pssm-ID: 214619 [Multi-domain] Cd Length: 180 Bit Score: 182.12 E-value: 1.05e-52
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| RhoGEF | pfam00621 | RhoGEF domain; Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases Also called ... |
161-344 | 1.45e-48 | ||||||
RhoGEF domain; Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases Also called Dbl-homologous (DH) domain. It appears that pfam00169 domains invariably occur C-terminal to RhoGEF/DH domains. Pssm-ID: 459876 [Multi-domain] Cd Length: 176 Bit Score: 170.17 E-value: 1.45e-48
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| PH_LARG | cd13390 | Leukemia-associated Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; ... |
364-497 | 8.33e-47 | ||||||
Leukemia-associated Rho guanine nucleotide exchange factor Pleckstrin homology (PH) domain; LARG (also called RhoGEF12) belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. RhoGEFs activate Rho GTPases regulating cytoskeletal structure, gene transcription, and cell migration. LARG contains a N-terminal extension, followed by Dbl homology (DH)-PH domains which bind and catalyze the exchange of GDP for GTP on RhoA in addition to a RGS domain. The active site of RhoA adopts two distinct GDP-excluding conformations among the four unique complexes in the asymmetric unit. The LARG PH domain also contains a potential protein-docking site. LARG forms a homotetramer via its DH domains. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275425 Cd Length: 138 Bit Score: 163.62 E-value: 8.33e-47
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| PH_16 | pfam17838 | PH domain; |
373-502 | 4.32e-44 | ||||||
PH domain; Pssm-ID: 436083 Cd Length: 127 Bit Score: 155.64 E-value: 4.32e-44
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| PH_p115RhoGEF | cd14679 | Rho guanine nucleotide exchange factor Pleckstrin homology domain; p115RhoGEF (also called LSC, ... |
379-501 | 4.50e-40 | ||||||
Rho guanine nucleotide exchange factor Pleckstrin homology domain; p115RhoGEF (also called LSC, GEF1 or LBCL2) belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. In addition to the Dbl homology (DH)-PH domain, p115RhoGEF contains an N-terminal RGS (Regulator of G-protein signalling) domain. The DH-PH domains bind and catalyze the exchange of GDP for GTP on RhoA. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275429 Cd Length: 125 Bit Score: 143.83 E-value: 4.50e-40
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| PH_RhoGEF | cd13329 | Rho guanine nucleotide exchange factor Pleckstrin homology domain; RhoGEFs belongs to ... |
389-501 | 4.66e-37 | ||||||
Rho guanine nucleotide exchange factor Pleckstrin homology domain; RhoGEFs belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. The members here all contain Dbl homology (DH)-PH domains. In addition some members contain N-terminal C1 (Protein kinase C conserved region 1) domains, PDZ (also called DHR/Dlg homologous regions) domains, ANK (ankyrin) domains, and RGS (Regulator of G-protein signalling) domains or C-terminal ATP-synthase B subunit. The DH-PH domains bind and catalyze the exchange of GDP for GTP on RhoA. RhoGEF2/Rho guanine nucleotide exchange factor 2, p114RhoGEF/p114 Rho guanine nucleotide exchange factor, p115RhoGEF, p190RhoGEF, PRG/PDZ Rho guanine nucleotide exchange factor, RhoGEF 11, RhoGEF 12, RhoGEF 18, AKAP13/A-kinase anchoring protein 13, and LARG/Leukemia-associated Rho guanine nucleotide exchange factor are included in this CD. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275411 Cd Length: 109 Bit Score: 134.70 E-value: 4.66e-37
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| ROM1 | COG5422 | RhoGEF, Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases [Signal transduction ... |
139-398 | 4.93e-16 | ||||||
RhoGEF, Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases [Signal transduction mechanisms]; Pssm-ID: 227709 [Multi-domain] Cd Length: 1175 Bit Score: 83.40 E-value: 4.93e-16
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| PH_ARHGEF2 | cd13393 | Rho guanine nucleotide exchange factor 2 Pleckstrin homology (PH) domain; ARHGEF2, also called ... |
387-502 | 4.88e-10 | ||||||
Rho guanine nucleotide exchange factor 2 Pleckstrin homology (PH) domain; ARHGEF2, also called GEF-H1, acts as guanine nucleotide exchange factor (GEF) for RhoA GTPases. It is thought to play a role in actin cytoskeleton reorganization in different tissues since its activation induces formation of actin stress fibers. ARHGEF2 contains a C1 domain followed by Dbl-homology (DH) and pleckstrin-homology (PH) domains which bind and catalyze the exchange of GDP for GTP on RhoA. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275428 Cd Length: 116 Bit Score: 57.97 E-value: 4.88e-10
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| PH_p190RhoGEF | cd14680 | Rho guanine nucleotide exchange factor Pleckstrin homology domain; p190RhoGEF (also called ... |
389-501 | 1.27e-09 | ||||||
Rho guanine nucleotide exchange factor Pleckstrin homology domain; p190RhoGEF (also called RIP2 or ARHGEF28) belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. In addition to the Dbl homology (DH)-PH domain, p190RhoGEF contains an N-terminal C1 (Protein kinase C conserved region 1) domain. The DH-PH domains bind and catalyze the exchange of GDP for GTP on RhoA. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275430 Cd Length: 101 Bit Score: 56.16 E-value: 1.27e-09
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| PH_ARHGEF18 | cd15794 | Rho guanine nucleotide exchange factor 18 Pleckstrin homology (PH) domain; ARHGEF18, also ... |
387-501 | 1.55e-09 | ||||||
Rho guanine nucleotide exchange factor 18 Pleckstrin homology (PH) domain; ARHGEF18, also called p114RhoGEF, is a key regulator of RhoA-Rock2 signaling that is crucial for maintenance of polarity in the vertebrate retinal epithelium, and consequently is essential for cellular differentiation, morphology and eventually organ function. ARHGEF18 contains Dbl-homology (DH) and pleckstrin-homology (PH) domains which bind and catalyze the exchange of GDP for GTP on RhoA. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275437 Cd Length: 119 Bit Score: 56.45 E-value: 1.55e-09
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| PH_ARHGEF2_18_like | cd15789 | rho guanine nucleotide exchange factor; RhoGEFs belongs to regulator of G-protein signaling ... |
439-501 | 8.30e-06 | ||||||
rho guanine nucleotide exchange factor; RhoGEFs belongs to regulator of G-protein signaling (RGS) domain-containing RhoGEFs that are RhoA-selective and directly activated by the Galpha12/13 family of heterotrimeric G proteins. The members here all contain Dbl homology (DH)-PH domains. In addition some members contain N-terminal C1 (Protein kinase C conserved region 1) domains, PDZ (also called DHR/Dlg homologous regions) domains, ANK (ankyrin) domains, and RGS (Regulator of G-protein signalling) domains or C-terminal ATP-synthase B subunit. The DH-PH domains bind and catalyze the exchange of GDP for GTP on RhoA. RhoGEF2/Rho guanine nucleotide exchange factor 2, p114RhoGEF/p114 Rho guanine nucleotide exchange factor, p115RhoGEF, p190RhoGEF, PRG/PDZ Rho guanine nucleotide exchange factor, RhoGEF 11, RhoGEF 12, RhoGEF 18, AKAP13/A-kinase anchoring protein 13, and LARG/Leukemia-associated Rho guanine nucleotide exchange factor are included in this CD. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275432 Cd Length: 102 Bit Score: 45.53 E-value: 8.30e-06
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| PH_AKAP13 | cd13392 | A-kinase anchoring protein 13 Pleckstrin homology (PH) domain; The Rho-specific GEF activity ... |
389-501 | 3.69e-04 | ||||||
A-kinase anchoring protein 13 Pleckstrin homology (PH) domain; The Rho-specific GEF activity of AKAP13 (also called Brx-1, AKAP-Lbc, and proto-Lbc) mediates signaling downstream of G-protein coupled receptors and Toll-like receptor 2. It plays a role in cell growth, cell development and actin fiber formation. Protein kinase A (PKA) binds and phosphorylates AKAP13, regulating its Rho-GEF activity. Alternative splicing of this gene in humans has at least 3 transcript variants encoding different isoforms (i.e. proto-/onco-Lymphoid blast crisis, Lbc and breast cancer nuclear receptor-binding auxiliary protein, Brx) containing a dbl oncogene homology (DH) domain and PH domain which are required for full transforming activity. The DH domain is associated with guanine nucleotide exchange activation while the PH domain has multiple functions including determine protein sub-cellular localisation via phosphoinositide interactions, while others bind protein partners. Other ligands include protein kinase C which is bound by the PH domain of AKAP13, serving to activate protein kinase D and mobilize a cardiac hypertrophy signaling pathway. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes. Pssm-ID: 275427 Cd Length: 103 Bit Score: 40.66 E-value: 3.69e-04
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| PH | pfam00169 | PH domain; PH stands for pleckstrin homology. |
422-502 | 8.80e-03 | ||||||
PH domain; PH stands for pleckstrin homology. Pssm-ID: 459697 [Multi-domain] Cd Length: 105 Bit Score: 36.77 E-value: 8.80e-03
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| PHA03307 | PHA03307 | transcriptional regulator ICP4; Provisional |
595-945 | 8.86e-03 | ||||||
transcriptional regulator ICP4; Provisional Pssm-ID: 223039 [Multi-domain] Cd Length: 1352 Bit Score: 40.15 E-value: 8.86e-03
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