3cx7

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[[Image:3cx7.png|left|200px]]
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==Crystal Structure of PDZRhoGEF rgRGS Domain in a Complex with Galpha-13 Bound to GDP-AlF4==
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<StructureSection load='3cx7' size='340' side='right' caption='[[3cx7]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3cx7]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus] 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=3CX7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3CX7 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=ALF:TETRAFLUOROALUMINATE+ION'>ALF</scene>, <scene name='pdbligand=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</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">[[1shz|1shz]], [[3cx6|3cx6]], [[3cx8|3cx8]]</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=3cx7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3cx7 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3cx7 RCSB], [http://www.ebi.ac.uk/pdbsum/3cx7 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/cx/3cx7_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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G12 class heterotrimeric G proteins stimulate RhoA activation by RGS-RhoGEFs. However, p115RhoGEF is a GTPase Activating Protein (GAP) toward Galpha13, whereas PDZRhoGEF is not. We have characterized the interaction between the PDZRhoGEF rgRGS domain (PRG-rgRGS) and the alpha subunit of G13 and have determined crystal structures of their complexes in both the inactive state bound to GDP and the active states bound to GDP*AlF (transition state) and GTPgammaS (Michaelis complex). PRG-rgRGS interacts extensively with the helical domain and the effector-binding sites on Galpha13 through contacts that are largely conserved in all three nucleotide-bound states, although PRG-rgRGS has highest affinity to the Michaelis complex. An acidic motif in the N terminus of PRG-rgRGS occupies the GAP binding site of Galpha13 and is flexible in the GDP*AlF complex but well ordered in the GTPgammaS complex. Replacement of key residues in this motif with their counterparts in p115RhoGEF confers GAP activity.
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{{STRUCTURE_3cx7| PDB=3cx7 | SCENE= }}
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Recognition of the activated states of Galpha13 by the rgRGS domain of PDZRhoGEF.,Chen Z, Singer WD, Danesh SM, Sternweis PC, Sprang SR Structure. 2008 Oct 8;16(10):1532-43. PMID:18940608<ref>PMID:18940608</ref>
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===Crystal Structure of PDZRhoGEF rgRGS Domain in a Complex with Galpha-13 Bound to GDP-AlF4===
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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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{{ABSTRACT_PUBMED_18940608}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[3cx7]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus] 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=3CX7 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018940608</ref><references group="xtra"/>
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]

Revision as of 09:24, 5 November 2014

Crystal Structure of PDZRhoGEF rgRGS Domain in a Complex with Galpha-13 Bound to GDP-AlF4

3cx7, resolution 2.25Å

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