1rzx

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[[Image:1rzx.png|left|200px]]
 
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{{STRUCTURE_1rzx| PDB=1rzx | SCENE= }}
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==Crystal Structure of a Par-6 PDZ-peptide Complex==
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<StructureSection load='1rzx' size='340' side='right'caption='[[1rzx]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1rzx]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RZX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RZX 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]] 2.1&#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=ACE:ACETYL+GROUP'>ACE</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=1rzx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rzx OCA], [https://pdbe.org/1rzx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rzx RCSB], [https://www.ebi.ac.uk/pdbsum/1rzx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rzx ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/O97111_DROME O97111_DROME]
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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/rz/1rzx_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=1rzx 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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Regulation of protein interaction domains is required for cellular signaling dynamics. Here, we show that the PDZ protein interaction domain from the cell polarity protein Par-6 is regulated by the Rho GTPase Cdc42. Cdc42 binds to a CRIB domain adjacent to the PDZ domain, increasing the affinity of the Par-6 PDZ for its carboxy-terminal ligand by approximately 13-fold. Par-6 PDZ regulation is required for function as mutational disruption of Cdc42-Par-6 PDZ coupling leads to inactivation of Par-6 in polarized MDCK epithelial cells. Structural analysis reveals that the free PDZ domain has several deviations from the canonical PDZ conformation that account for its low ligand affinity. Regulation results from a Cdc42-induced conformational transition in the CRIB-PDZ module that causes the PDZ to assume a canonical, high-affinity PDZ conformation. The coupled CRIB and PDZ architecture of Par-6 reveals how simple binding domains can be combined to yield complex regulation.
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===Crystal Structure of a Par-6 PDZ-peptide Complex===
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Cdc42 regulates the Par-6 PDZ domain through an allosteric CRIB-PDZ transition.,Peterson FC, Penkert RR, Volkman BF, Prehoda KE Mol Cell. 2004 Mar 12;13(5):665-76. PMID:15023337<ref>PMID:15023337</ref>
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{{ABSTRACT_PUBMED_15023337}}
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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 1rzx" style="background-color:#fffaf0;"></div>
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[[1rzx]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RZX OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:015023337</ref><ref group="xtra">PMID:015475968</ref><references group="xtra"/>
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</StructureSection>
[[Category: Drosophila melanogaster]]
[[Category: Drosophila melanogaster]]
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[[Category: Penkert, R R.]]
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[[Category: Large Structures]]
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[[Category: Peterson, F C.]]
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[[Category: Penkert RR]]
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[[Category: Prehoda, K E.]]
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[[Category: Peterson FC]]
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[[Category: Volkman, F B.]]
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[[Category: Prehoda KE]]
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[[Category: Cell cycle]]
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[[Category: Volkman FB]]

Current revision

Crystal Structure of a Par-6 PDZ-peptide Complex

PDB ID 1rzx

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