2dfk

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[[Image:2dfk.png|left|200px]]
 
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{{STRUCTURE_2dfk| PDB=2dfk | SCENE= }}
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==Crystal structure of the CDC42-Collybistin II complex==
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<StructureSection load='2dfk' size='340' side='right'caption='[[2dfk]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2dfk]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DFK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2DFK FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.15&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2dfk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2dfk OCA], [https://pdbe.org/2dfk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2dfk RCSB], [https://www.ebi.ac.uk/pdbsum/2dfk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2dfk ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ARHG9_RAT ARHG9_RAT] Acts as guanine nucleotide exchange factor (GEF) for CDC42. Promotes formation of GPHN clusters.<ref>PMID:10607391</ref> <ref>PMID:11727829</ref> <ref>PMID:15215304</ref>
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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/df/2dfk_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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/main_output.php?pdb_ID=2dfk 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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The synaptic localization of ion channel receptors is essential for efficient synaptic transmission and the precise regulation of diverse neuronal functions. In the central nervous system, ion channel receptors reside in the postsynaptic membrane where they are juxtaposed to presynaptic terminals. For proper function, these ion channels have to be anchored to the cytoskeleton, and in the case of the inhibitory glycine and gamma-amino-butyric acid type A (GABA(A)) receptors this interaction is mediated by a gephyrin centered scaffold. Highlighting its central role in this receptor anchoring scaffold, gephyrin interacts with a number of proteins, including the neurospecific guanine nucleotide exchange factor collybistin. Collybistin belongs to the Dbl family of guanine nucleotide exchange factors, occurs in multiple splice variants, and is specific for Cdc42, a small GTPase belonging to the Rho family. The 2.3 Angstroms resolution crystal structure of the Cdc42-collybistin II complex reveals a novel conformation of the switch I region of Cdc42. It also provides the first direct observation of structural changes in the relative orientation of the Dbl-homology domain and the pleckstrin-homology domain in the same Dbl family protein. Biochemical data indicate that gephyrin negatively regulates collybistin activity.
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===Crystal structure of the CDC42-Collybistin II complex===
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The crystal structure of Cdc42 in complex with collybistin II, a gephyrin-interacting guanine nucleotide exchange factor.,Xiang S, Kim EY, Connelly JJ, Nassar N, Kirsch J, Winking J, Schwarz G, Schindelin H J Mol Biol. 2006 May 26;359(1):35-46. Epub 2006 Mar 29. PMID:16616186<ref>PMID:16616186</ref>
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{{ABSTRACT_PUBMED_16616186}}
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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==About this Structure==
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<div class="pdbe-citations 2dfk" style="background-color:#fffaf0;"></div>
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[[2dfk]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DFK OCA].
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==See Also==
==See Also==
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*[[GTP-binding protein|GTP-binding protein]]
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*[[GTP-binding protein 3D structures|GTP-binding protein 3D structures]]
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*[[Rho guanine nucleotide exchange factor 3D structures|Rho guanine nucleotide exchange factor 3D structures]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:016616186</ref><references group="xtra"/>
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Connelly, J J.]]
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[[Category: Connelly JJ]]
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[[Category: Kim, E Y.]]
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[[Category: Kim EY]]
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[[Category: Kirsch, J.]]
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[[Category: Kirsch J]]
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[[Category: Nassar, N.]]
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[[Category: Nassar N]]
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[[Category: Schindelin, H.]]
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[[Category: Schindelin H]]
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[[Category: Schwarz, G.]]
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[[Category: Schwarz G]]
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[[Category: Winking, J.]]
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[[Category: Winking J]]
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[[Category: Xiang, S.]]
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[[Category: Xiang S]]
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[[Category: Cell cycle]]
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[[Category: Dh domain]]
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[[Category: Ph domain]]
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Current revision

Crystal structure of the CDC42-Collybistin II complex

PDB ID 2dfk

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