Rho GTPase activating protein

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Function

Rho GTPase acivating protein (RhoGAP) are one of the main classes of Rho GTPase regulators that are crucial in cell cytoskeletal organization, growth, differentiation, neuronal development and synaptic functions[1]. RhoGAPs contain a RhoGAP domain.

Relevance

RhoGAPs are present in altered abundance in a variety of human cancers and may serve as targets for cancer therapy[2].

Structural highlights

Human RhoGAP 1 (grey) complex with RhoA (green), GDP, MgF3 and Mg+2 ions (PDB code 1ow3)

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3D structures of Rho GTPase activating protein3D structures of Rho GTPase activating protein

4u3k - yRhoGAP 1 RhoGAP domain - yeast
1ow3 - hRhoGAP 1 residues 198-439 + RhoA + GDP - human
5irc - RhoGAP 35 + RhoA - rat
4rtt, 4rug, 2gnc - hRhoGAP 2 SLIT-ROBO SH3 domain
2dl8 - hRhoGAP 2 SLIT-ROBO SH3 domain - NMR
2epd - hRhoGAP 4 SH3 domain - NMR
2ee4 , 2ee5 - hRhoGAP 5 (mutant) RhoGAP domain - NMR
3kuq - hRhoGAP 7 RhoGAP domain
2kap, 2dky - hRhoGAP 7 SAM domain - NMR
2p0d, 2p0f, 2p0h - hRhoGAP 9 pleckstrin homology domain + phosphoinositide
2mio - hRhoGAP 10 SH3 domain - NMR
2j59 - hRhoGAP 10 ARF-binding domain + ADP-ribosylation factor
3eap - hRhoGAP 11A RhoGAP domain
3byi - RhoGAP 15 residues 262-473
3msx - hRhoGAP 20 RhoGAP domain + RhoA
2yuy - hRhoGAP 21 PDZ domain - NMR
2dhj - hRhoGAP 21 pleckstrin homology domain - NMR
3pp2 - hRhoGAP 27 pleckstrin homology domain
4wpc - yRhoGAP 1 F-BARR domain + inositol phosphate
1grn - hRhoGAP C-terminal + GTP-binding protein

ReferencesReferences

  1. Moon SY, Zheng Y. Rho GTPase-activating proteins in cell regulation. Trends Cell Biol. 2003 Jan;13(1):13-22. PMID:12480336
  2. Kandpal RP. Rho GTPase activating proteins in cancer phenotypes. Curr Protein Pept Sci. 2006 Aug;7(4):355-65. PMID:16918449

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Michal Harel, Joel L. Sussman, Alexander Berchansky