RhoGAP_ARHGAP27_15_12_9: GTPase-activator protein (GAP) domain for Rho-like GTPases found in ARHGAP27 (also called CAMGAP1), ARHGAP15, 12 and 9-like proteins; This subgroup of ARHGAPs are multidomain proteins that contain RhoGAP, PH, SH3 and WW domains. Most members that are studied show GAP activity towards Rac1, some additionally show activity towards Cdc42. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDGRWEDVHVITGALKLF 807
Cdd:cd04403     1 FGCHLEALCQRENSTVPKFVRLCIEAVEKRGLDVDGIYRVSGNLAVIQKLRFAVDHDEKLDLDDSKWEDIHVITGALKLF 80

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 808 FRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPTL 887
Cdd:cd04403    81 FRELPEPLFPYSLFNDFVAAIKLSDYEQRVSAVKDLIKSLPKPNHDTLKMLFRHLCRVIEHGEKNRMTTQNLAIVFGPTL 160

                         170       180
                  ....*....|....*....|....*..
gi 2462490864 888 LRPEVEETSMPMTMVFQNQVVELILQQ 914
Cdd:cd04403   161 LRPEQETGNIAVHMVYQNQIVELILLE 187

Src Homology 3 domain of Rho GTPase-activating protein 27; Rho GTPase-activating proteins (RhoGAPs or ARHGAPs) bind to Rho proteins and enhance the hydrolysis rates of bound GTP. ARHGAP27, also called CAMGAP1, shows GAP activity towards Rac1 and Cdc42. It binds the adaptor protein CIN85 and may play a role in clathrin-mediated endocytosis. It contains SH3, WW, Pleckstin homology (PH), and RhoGAP domains. 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.

                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|....*..
gi 2462490864  10 YVLVEHPFEYTGKDGRRVAIRPNERYRLLRRSTEHWWHVRREPGGRPFYLPAQYVRE 66
Cdd:cd12069     1 LVLVEHAFEYTGKDGRLVSIKPNERYILLRRTNEHWWHVRRDKGTRPFYIPAKYVKE 57

Splicing factor [RNA processing and modification];

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 239 SPGAAAAPLPSPVWETHTDAgTGRPYYYNPDTGVTTWESPFEAAEGaaspATSPASVDSHVSLETEWGqywdeesrRVFF 318
Cdd:COG5104     4 ALLGMASGEARSEWEELKAP-DGRIYYYNKRTGKSSWEKPKELLKG----SEEDLDVDPWKECRTADG--------KVYY 70

                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|..
gi 2462490864 319 YNPLTGETAWEDEAENEPEEELEMQP----GLSPGSPGDPRPPTPETDYPESLTSYPEEDYS 376
Cdd:COG5104    71 YNSITRESRWKIPPERKKVEPIAEQKhderSMIGGNGNDMAITDHETSEPKYLLGRLMSQYG 132

RhoGAP_ARHGAP27_15_12_9: GTPase-activator protein (GAP) domain for Rho-like GTPases found in ARHGAP27 (also called CAMGAP1), ARHGAP15, 12 and 9-like proteins; This subgroup of ARHGAPs are multidomain proteins that contain RhoGAP, PH, SH3 and WW domains. Most members that are studied show GAP activity towards Rac1, some additionally show activity towards Cdc42. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDGRWEDVHVITGALKLF 807
Cdd:cd04403     1 FGCHLEALCQRENSTVPKFVRLCIEAVEKRGLDVDGIYRVSGNLAVIQKLRFAVDHDEKLDLDDSKWEDIHVITGALKLF 80

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 808 FRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPTL 887
Cdd:cd04403    81 FRELPEPLFPYSLFNDFVAAIKLSDYEQRVSAVKDLIKSLPKPNHDTLKMLFRHLCRVIEHGEKNRMTTQNLAIVFGPTL 160

                         170       180
                  ....*....|....*....|....*..
gi 2462490864 888 LRPEVEETSMPMTMVFQNQVVELILQQ 914
Cdd:cd04403   161 LRPEQETGNIAVHMVYQNQIVELILLE 187

RhoGAP domain; GTPase activator proteins towards Rho/Rac/Cdc42-like small GTPases.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 744 PRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDgRWEDVHVITGALKLFFRELPEPLFPFSHFRQ 823
Cdd:pfam00620   1 PLIVRKCVEYLEKRGLDTEGIFRVSGSASRIKELREAFDRGPDVDLDL-EEEDVHVVASLLKLFLRELPEPLLTFELYEE 79

                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 2462490864 824 FIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPTLLRP 890
Cdd:pfam00620  80 FIEAAKLPDEEERLEALRELLRKLPPANRDTLRYLLAHLNRVAQNSDVNKMNAHNLAIVFGPTLLRP 146

Src Homology 3 domain of Rho GTPase-activating protein 27; Rho GTPase-activating proteins (RhoGAPs or ARHGAPs) bind to Rho proteins and enhance the hydrolysis rates of bound GTP. ARHGAP27, also called CAMGAP1, shows GAP activity towards Rac1 and Cdc42. It binds the adaptor protein CIN85 and may play a role in clathrin-mediated endocytosis. It contains SH3, WW, Pleckstin homology (PH), and RhoGAP domains. 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.

                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|....*..
gi 2462490864  10 YVLVEHPFEYTGKDGRRVAIRPNERYRLLRRSTEHWWHVRREPGGRPFYLPAQYVRE 66
Cdd:cd12069     1 LVLVEHAFEYTGKDGRLVSIKPNERYILLRRTNEHWWHVRRDKGTRPFYIPAKYVKE 57

WW domain; The WW domain is a protein module with two highly conserved tryptophans that binds proline-rich peptide motifs in vitro.

                          10        20        30
                  ....*....|....*....|....*....|..
gi 2462490864 247 LPSPvWETHTDAgTGRPYYYNPDTGVTTWESP 278
Cdd:pfam00397   1 LPPG-WEERWDP-DGRVYYYNHETGETQWEKP 30

Two conserved tryptophans domain; also known as the WWP or rsp5 domain; around 40 amino acids; functions as an interaction module in a diverse set of signalling proteins; binds specific proline-rich sequences but at low affinities compared to other peptide recognition proteins such as antibodies and receptors; WW domains have a single groove formed by a conserved Trp and Tyr which recognizes a pair of residues of the sequence X-Pro; variable loops and neighboring domains confer specificity in this domain; there are five distinct groups based on binding: 1) PPXY motifs 2) the PPLP motif; 3) PGM motifs; 4) PSP or PTP motifs; 5) PR motifs.

                          10        20
                  ....*....|....*....|....*....
gi 2462490864 250 PVWETHTDAgTGRPYYYNPDTGVTTWESP 278
Cdd:cd00201     2 PGWEERWDP-DGRVYYYNHNTKETQWEDP 29

PH domain; PH stands for pleckstrin homology.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 499 KAGVLHRtKTADKGKRLRKKhwsasWTVLEGGVLTFFKDSKTsaagglrqpSKFSTPEYTVELRGATLSWAPK-DKSSRK 577
Cdd:pfam00169   3 KEGWLLK-KGGGKKKSWKKR-----YFVLFDGSLLYYKDDKS---------GKSKEPKGSISLSGCEVVEVVAsDSPKRK 67

                          90       100       110
                  ....*....|....*....|....*....|....*..
gi 2462490864 578 NVLELRSRDGSE---YLIQHDSEAIISTWHKAIAQGI 611
Cdd:pfam00169  68 FCFELRTGERTGkrtYLLQAESEEERKDWIKAIQSAI 104

WW domain; The WW domain is a protein module with two highly conserved tryptophans that binds proline-rich peptide motifs in vitro.

                          10        20
                  ....*....|....*....|....*...
gi 2462490864 415 EQWVRLEDPHGKPYFYNPEDSSVRWELP 442
Cdd:pfam00397   3 PGWEERWDPDGRVYYYNHETGETQWEKP 30

WW domain; The WW domain is a protein module with two highly conserved tryptophans that binds proline-rich peptide motifs in vitro.

                          10        20
                  ....*....|....*....|....*...
gi 2462490864 301 LETEWGQYWDEEsRRVFFYNPLTGETAW 328
Cdd:pfam00397   1 LPPGWEERWDPD-GRVYYYNHETGETQW 27

RhoGAP_ARHGAP27_15_12_9: GTPase-activator protein (GAP) domain for Rho-like GTPases found in ARHGAP27 (also called CAMGAP1), ARHGAP15, 12 and 9-like proteins; This subgroup of ARHGAPs are multidomain proteins that contain RhoGAP, PH, SH3 and WW domains. Most members that are studied show GAP activity towards Rac1, some additionally show activity towards Cdc42. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDGRWEDVHVITGALKLF 807
Cdd:cd04403     1 FGCHLEALCQRENSTVPKFVRLCIEAVEKRGLDVDGIYRVSGNLAVIQKLRFAVDHDEKLDLDDSKWEDIHVITGALKLF 80

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 808 FRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPTL 887
Cdd:cd04403    81 FRELPEPLFPYSLFNDFVAAIKLSDYEQRVSAVKDLIKSLPKPNHDTLKMLFRHLCRVIEHGEKNRMTTQNLAIVFGPTL 160

                         170       180
                  ....*....|....*....|....*..
gi 2462490864 888 LRPEVEETSMPMTMVFQNQVVELILQQ 914
Cdd:cd04403   161 LRPEQETGNIAVHMVYQNQIVELILLE 187

RhoGAP domain; GTPase activator proteins towards Rho/Rac/Cdc42-like small GTPases.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 744 PRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDgRWEDVHVITGALKLFFRELPEPLFPFSHFRQ 823
Cdd:pfam00620   1 PLIVRKCVEYLEKRGLDTEGIFRVSGSASRIKELREAFDRGPDVDLDL-EEEDVHVVASLLKLFLRELPEPLLTFELYEE 79

                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 2462490864 824 FIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPTLLRP 890
Cdd:pfam00620  80 FIEAAKLPDEEERLEALRELLRKLPPANRDTLRYLLAHLNRVAQNSDVNKMNAHNLAIVFGPTLLRP 146

RhoGAP_fRGD1: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain of fungal RGD1-like proteins. Yeast Rgd1 is a GAP protein for Rho3 and Rho4 and plays a role in low-pH response. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDGR--WE-DVHVITGAL 804
Cdd:cd04398     1 FGVPLEDLILREGDNVPNIVYQCIQAIENFGLNLEGIYRLSGNVSRVNKLKELFDKDPLNVLLISPedYEsDIHSVASLL 80

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 805 KLFFRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFG 884
Cdd:cd04398    81 KLFFRELPEPLLTKALSREFIEAAKIEDESRRRDALHGLINDLPDANYATLRALMFHLARIKEHESVNRMSVNNLAIIWG 160

                         170       180       190
                  ....*....|....*....|....*....|....*...
gi 2462490864 885 PTLLR---PEVEETSmpmtmvFQNQVVELILQQCADIF 919
Cdd:cd04398   161 PTLMNaapDNAADMS------FQSRVIETLLDNAYQIF 192

RhoGAP_chimaerin: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain of chimaerins. Chimaerins are a family of phorbolester- and diacylglycerol-responsive GAPs specific for the Rho-like GTPase Rac. Chimaerins exist in two alternative splice forms that each contain a C-terminal GAP domain, and a central C1 domain which binds phorbol esters, inducing a conformational change that activates the protein; one splice form is lacking the N-terminal Src homology-2 (SH2) domain. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHD-ERLDLDDGRWEDVHVITGALKL 806
Cdd:cd04372     1 YGCDLTTLVKAHNTQRPMVVDMCIREIEARGLQSEGLYRVSGFAEEIEDVKMAFDRDgEKADISATVYPDINVITGALKL 80

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 807 FFRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPT 886
Cdd:cd04372    81 YFRDLPIPVITYDTYPKFIDAAKISNPDERLEAVHEALMLLPPAHYETLRYLMEHLKRVTLHEKDNKMNAENLGIVFGPT 160

                         170       180       190
                  ....*....|....*....|....*....|....
gi 2462490864 887 LLRPEVEETSMPMT-MVFQNQVVELILQQCADIF 919
Cdd:cd04372   161 LMRPPEDSALTTLNdMRYQILIVQLLITNEDVLF 194

Beta-spectrin pleckstrin homology (PH) domain; ARHGAP family genes encode Rho/Rac/Cdc42-like GTPase activating proteins with RhoGAP domain. The ARHGAP members here all have a PH domain upstream of their C-terminal RhoGAP domain. Some have additional N-terminal SH3 and WW domains. The members here include: ARHGAP9, ARHGAP12, ARHGAP15, and ARHGAP27. ARHGAP27 and ARHGAP12 shared the common-domain structure, consisting of SH3, WW, PH, and RhoGAP domains. The PH domain of ArhGAP9 employs a non-canonical phosphoinositide binding mechanism, a variation of the spectrin- Ins(4,5)P2-binding mode, that gives rise to a unique PI binding profile, namely a preference for both PI(4,5)P2 and the PI 3-kinase products PI(3,4,5)P3 and PI(3,4)P2. This lipid binding mechanism is also employed by the PH domain of Tiam1 and Slm1. 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.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 499 KAGVLHRTKTADKGKRLRKkHWSASWTVLEGGVLTFFKDSKTSAAGGLrqpsKFSTPEYTVELRGATLSWAPkDKSSRKN 578
Cdd:cd13233     2 KQGLLNKTKIAENGKKLRK-NWSTSWVVLTSSHLLFYKDAKSAAKSGN----PYSKPESSVDLRGASIEWAK-EKSSRKN 75

                          90       100       110
                  ....*....|....*....|....*....|....*
gi 2462490864 579 VLELRSRDGSEYLIQHDSEAIISTWHKAIAQGIQE 613
Cdd:cd13233    76 VFQISTVTGTEFLLQSDNDTEIREWFDAIKAVIQR 110

RhoGAP_myosin_IX: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain present in class IX myosins. Class IX myosins contain a characteristic head domain, a neck domain, a tail domain which contains a C6H2-zinc binding motif and a RhoGAP domain. Class IX myosins are single-headed, processive myosins that are partly cytoplasmic, and partly associated with membranes and the actin cytoskeleton. Class IX myosins are implicated in the regulation of neuronal morphogenesis and function of sensory systems, like the inner ear. There are two major isoforms, myosin IXA and IXB with several splice variants, which are both expressed in developing neurons. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCErERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHD-ERLDLDDgrwEDVHVITGALKL 806
Cdd:cd04377     1 FGVSLSSLTS-EDRSVPLVLEKLLEHIEMHGLYTEGIYRKSGSANKIKELRQGLDTDpDSVNLED---YPIHVITSVLKQ 76

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 807 FFRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPT 886
Cdd:cd04377    77 WLRELPEPLMTFELYENFLRAMELEEKQERVRALYSVLEQLPRANLNTLERLIFHLVRVALQEEVNRMSANALAIVFAPC 156

                         170       180       190
                  ....*....|....*....|....*....|
gi 2462490864 887 LLR-PEVEETSMPMTMVF-QNQVVELILQQ 914
Cdd:cd04377   157 ILRcPDTADPLQSLQDVSkTTTCVETLIKE 186

RhoGAP_p190: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain of p190-like proteins. p190, also named RhoGAP5, plays a role in neuritogenesis and axon branch stability. p190 shows a preference for Rho, over Rac and Cdc42, and consists of an N-terminal GTPase domain and a C-terminal GAP domain. The central portion of p190 contains important regulatory phosphorylation sites. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSrVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDGRWEdVHVITGALKLF 807
Cdd:cd04373     1 FGVPLANVVTSEKP-IPIFLEKCVEFIEATGLETEGIYRVSGNKTHLDSLQKQFDQDHNLDLVSKDFT-VNAVAGALKSF 78

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 808 FRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPTL 887
Cdd:cd04373    79 FSELPDPLIPYSMHLELVEAAKINDREQRLHALKELLKKFPPENFDVFKYVITHLNKVSQNSKVNLMTSENLSICFWPTL 158

                         170       180
                  ....*....|....*....|....*...
gi 2462490864 888 LRPEVEET-SMPMTMVFQNqVVELILQQ 914
Cdd:cd04373   159 MRPDFTSMeALSATRIYQT-IIETFIQQ 185

RhoGAP-p50rhoGAP: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain of p50RhoGAP-like proteins; p50RhoGAP, also known as RhoGAP-1, contains a C-terminal RhoGAP domain and an N-terminal Sec14 domain which binds phosphatidylinositol 3,4,5-trisphosphate (PtdIns(3,4,5)P3). It is ubiquitously expressed and preferentially active on Cdc42. This subgroup also contains closely related ARHGAP8. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 726 QVFGCALAALCER--ERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERLDLDDgrWEDVHVITGA 803
Cdd:cd04404     4 QQFGVSLQFLKEKnpEQEPIPPVVRETVEYLQAHALTTEGIFRRSANTQVVKEVQQKYNMGEPVDFDQ--YEDVHLPAVI 81

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 804 LKLFFRELPEPLFPFSHFrQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVF 883
Cdd:cd04404    82 LKTFLRELPEPLLTFDLY-DDIVGFLNVDKEERVERVKQLLQTLPEENYQVLKYLIKFLVQVSAHSDQNKMTNSNLAVVF 160

                         170       180       190
                  ....*....|....*....|....*....|....*..
gi 2462490864 884 GPTLLRPevEETSMPMTMVFQ-NQVVELILQQCADIF 919
Cdd:cd04404   161 GPNLLWA--KDASMSLSAINPiNTFTKFLLDHQDEIF 195

Src Homology 3 domain of Rho GTPase-activating protein 27; Rho GTPase-activating proteins (RhoGAPs or ARHGAPs) bind to Rho proteins and enhance the hydrolysis rates of bound GTP. ARHGAP27, also called CAMGAP1, shows GAP activity towards Rac1 and Cdc42. It binds the adaptor protein CIN85 and may play a role in clathrin-mediated endocytosis. It contains SH3, WW, Pleckstin homology (PH), and RhoGAP domains. 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.

                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|....*..
gi 2462490864  10 YVLVEHPFEYTGKDGRRVAIRPNERYRLLRRSTEHWWHVRREPGGRPFYLPAQYVRE 66
Cdd:cd12069     1 LVLVEHAFEYTGKDGRLVSIKPNERYILLRRTNEHWWHVRRDKGTRPFYIPAKYVKE 57

RhoGAP_CdGAP: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain of CdGAP-like proteins; CdGAP contains an N-terminal RhoGAP domain and a C-terminal proline-rich region, and it is active on both Cdc42 and Rac1 but not RhoA. CdGAP is recruited to focal adhesions via the interaction with the scaffold protein actopaxin (alpha-parvin). Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 727 VFGCALAALCERERSRVPRFVQQCIRAVEARGLdIDGLYRISGNLATIQKLRYKVDHDERLDL-DDGRWEDVHVITGALK 805
Cdd:cd04384     2 VFGCDLTEHLLNSGQDVPQVLKSCTEFIEKHGI-VDGIYRLSGIASNIQRLRHEFDSEQIPDLtKDVYIQDIHSVSSLCK 80

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 806 LFFRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGP 885
Cdd:cd04384    81 LYFRELPNPLLTYQLYEKFSEAVSAASDEERLEKIHDVIQQLPPPHYRTLEFLMRHLSRLAKYCSITNMHAKNLAIVWAP 160

                         170       180       190
                  ....*....|....*....|....*....|...
gi 2462490864 886 TLLR-PEVEETSMPMTMVF-----QNQVVELIL 912
Cdd:cd04384   161 NLLRsKQIESACFSGTAAFmevriQSVVVEFIL 193

RhoGAP_GMIP: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain of GMIP (Gem interacting protein). GMIP plays important roles in neurite growth and axonal guidance, and interacts with Gem, a member of the RGK subfamily of the Ras small GTPase superfamily, through the N-terminal half of the protein. GMIP contains a C-terminal RhoGAP domain. GMIP inhibits RhoA function, but is inactive towards Rac1 and Cdc41. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERL-DLDDgrwEDVHVITGALKL 806
Cdd:cd04408     1 FGVDFSQLPRDFPEEVPFVVVRCTAEIENRALGVQGIYRISGSKARVEKLCQAFENGRDLvDLSG---HSPHDITSVLKH 77

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 807 FFRELPEPLFPFSHFRQFIAAIK--LQDQARRSRC----------VRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRM 874
Cdd:cd04408    78 FLKELPEPVLPFQLYDDFIALAKelQRDSEKAAESpsiveniirsLKELLGRLPVSNYNTLRHLMAHLYRVAERFEDNKM 157

                         170       180       190       200
                  ....*....|....*....|....*....|....*....|...
gi 2462490864 875 SVQSVAIVFGPTLLRPEVEEtSMPMTMV----FQNQVVELILQ 913
Cdd:cd04408   158 SPNNLGIVFGPTLLRPLVGG-DVSMICLldtgYQAQLVEFLIS 199

RhoGAP_myosin_IXB: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain present in myosins IXB. Class IX myosins contain a characteristic head domain, a neck domain and a tail domain which contains a C6H2-zinc binding motif and a Rho-GAP domain. Class IX myosins are single-headed, processive myosins that are partly cytoplasmic, and partly associated with membranes and the actin cytoskeleton. Class IX myosins are implicated in the regulation of neuronal morphogenesis and function of sensory systems, like the inner ear. There are two major isoforms, myosin IXA and IXB with several splice variants, which are both expressed in developing neurons Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCErERSRVPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHD-ERLDLDDgrwEDVHVITGALKL 806
Cdd:cd04407     1 FGVRVGSLTS-NKTSVPIVLEKLLEHVEMHGLYTEGIYRKSGSANRMKELHQLLQADpENVKLEN---YPIHAITGLLKQ 76

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 807 FFRELPEPLFPFSHFRQFIAAIKLQDQARRSRCVRDLVRSLPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVAIVFGPT 886
Cdd:cd04407    77 WLRELPEPLMTFAQYNDFLRAVELPEKQEQLQAIYRVLEQLPTANHNTLERLIFHLVKVALEEDVNRMSPNALAIVFAPC 156

                         170       180       190
                  ....*....|....*....|....*....|
gi 2462490864 887 LLR-PEVEETSMPMTMVFQNQV-VELILQQ 914
Cdd:cd04407   157 LLRcPDSSDPLTSMKDVAKTTTcVEMLIKE 186

RhoGAP_SYD1: RhoGAP (GTPase-activator protein [GAP] for Rho-like small GTPases) domain present in SYD-1_like proteins. Syd-1, first identified and best studied in C.elegans, has been shown to play an important role in neuronal development by specifying axonal properties. Small GTPases cluster into distinct families, and all act as molecular switches, active in their GTP-bound form but inactive when GDP-bound. The Rho family of GTPases activates effectors involved in a wide variety of developmental processes, including regulation of cytoskeleton formation, cell proliferation and the JNK signaling pathway. GTPases generally have a low intrinsic GTPase hydrolytic activity but there are family-specific groups of GAPs that enhance the rate of GTP hydrolysis by several orders of magnitude.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 728 FGCALAALCERERSR--VPRFVQQCIRAVEARGLDIDGLYRISGNLATIQKLRYKVDHDERL-DLDDGRWEDVHVITGAL 804
Cdd:cd04379     1 FGVPLSRLVEREGESrdVPIVLQKCVQEIERRGLDVIGLYRLCGSAAKKKELRDAFERNSAAvELSEELYPDINVITGVL 80

                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462490864 805 KLFFRELPEPLFPFSHFRQFIAAIKLQDQARRSrCVRDLVRS----LPAPNHDTLRMLFQHLCRVIEHGEQNRMSVQSVA 880
Cdd:cd04379    81 KDYLRELPEPLITPQLYEMVLEALAVALPNDVQ-TNTHLTLSiidcLPLSAKATLLLLLDHLSLVLSNSERNKMTPQNLA 159

                         170
                  ....*....|
gi 2462490864 881 IVFGPTLLRP 890
Cdd:cd04379   160 VCFGPVLMFC 169