3kz1

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{{STRUCTURE_3kz1| PDB=3kz1 | SCENE= }}
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==Crystal Structure of the Complex of PDZ-RhoGEF DH/PH domains with GTP-gamma-S Activated RhoA==
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===Crystal Structure of the Complex of PDZ-RhoGEF DH/PH domains with GTP-gamma-S Activated RhoA===
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<StructureSection load='3kz1' size='340' side='right' caption='[[3kz1]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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{{ABSTRACT_PUBMED_20430886}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3kz1]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KZ1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3KZ1 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GSP:5-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE'>GSP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1xcg|1xcg]], [[1x86|1x86]], [[1txd|1txd]], [[1a2b|1a2b]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ARHGEF11, KIAA0380 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), RHOA, ARH12, ARHA, RHO12 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3kz1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3kz1 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3kz1 RCSB], [http://www.ebi.ac.uk/pdbsum/3kz1 PDBsum]</span></td></tr>
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</table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kz/3kz1_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Guanine nucleotide exchange factors (GEFs) catalyze exchange of GDP for GTP by stabilizing the nucleotide-free state of the small GTPases through their Dbl homology/pleckstrin homology (DH.PH) domains. Unconventionally, PDZ-RhoGEF (PRG), a member of the RGS-RhoGEFs, binds tightly to both nucleotide-free and activated RhoA (RhoA.GTP). We have characterized the interaction between PRG and activated RhoA and determined the structure of the PRG-DH.PH-RhoA.GTPgammaS (guanosine 5'-O-[gamma-thio]triphosphate) complex. The interface bears striking similarity to a GTPase-effector interface and involves the switch regions in RhoA and a hydrophobic patch in PRG-PH that is conserved among all Lbc RhoGEFs. The two surfaces that bind activated and nucleotide-free RhoA on PRG-DH.PH do not overlap, and a ternary complex of PRG-DH.PH bound to both forms of RhoA can be isolated by size-exclusion chromatography. This novel interaction between activated RhoA and PH could play a key role in regulation of RhoGEF activity in vivo.
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==Function==
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Activated RhoA binds to the pleckstrin homology (PH) domain of PDZ-RhoGEF, a potential site for autoregulation.,Chen Z, Medina F, Liu MY, Thomas C, Sprang SR, Sternweis PC J Biol Chem. 2010 Jul 2;285(27):21070-81. Epub 2010 Apr 29. PMID:20430886<ref>PMID:20430886</ref>
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[[http://www.uniprot.org/uniprot/ARHGB_HUMAN ARHGB_HUMAN]] May play a role in the regulation of RhoA GTPase by guanine nucleotide-binding alpha-12 (GNA12) and alpha-13 (GNA13). Acts as guanine nucleotide exchange factor (GEF) for RhoA GTPase and may act as GTPase-activating protein (GAP) for GNA12 and GNA13. [[http://www.uniprot.org/uniprot/RHOA_HUMAN RHOA_HUMAN]] Regulates a signal transduction pathway linking plasma membrane receptors to the assembly of focal adhesions and actin stress fibers. Involved in a microtubule-dependent signal that is required for the myosin contractile ring formation during cell cycle cytokinesis. Plays an essential role in cleavage furrow formation. Required for the apical junction formation of keratinocyte cell-cell adhesion. Serves as a target for the yopT cysteine peptidase from Yersinia pestis, vector of the plague, and Yersinia pseudotuberculosis, which causes gastrointestinal disorders. Stimulates PKN2 kinase activity. May be an activator of PLCE1. Activated by ARHGEF2, which promotes the exchange of GDP for GTP. Essential for the SPATA13-mediated regulation of cell migration and adhesion assembly and disassembly. The MEMO1-RHOA-DIAPH1 signaling pathway plays an important role in ERBB2-dependent stabilization of microtubules at the cell cortex. It controls the localization of APC and CLASP2 to the cell membrane, via the regulation of GSK3B activity. In turn, membrane-bound APC allows the localization of the MACF1 to the cell membrane, which is required for microtubule capture and stabilization.<ref>PMID:8910519</ref> <ref>PMID:9121475</ref> <ref>PMID:12900402</ref> <ref>PMID:16103226</ref> <ref>PMID:16236794</ref> <ref>PMID:19934221</ref> <ref>PMID:20937854</ref> <ref>PMID:20974804</ref>
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[3kz1]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KZ1 OCA].
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</div>
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:020430886</ref><references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Chen, Z.]]
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[[Category: Chen, Z]]
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[[Category: Sprang, S R.]]
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[[Category: Sprang, S R]]
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[[Category: Sternweis, P C.]]
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[[Category: Sternweis, P C]]
[[Category: Cytoskeleton]]
[[Category: Cytoskeleton]]
[[Category: Dh]]
[[Category: Dh]]

Revision as of 16:02, 18 December 2014

Crystal Structure of the Complex of PDZ-RhoGEF DH/PH domains with GTP-gamma-S Activated RhoA

3kz1, resolution 2.70Å

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