2g57

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[[Image:2g57.png|left|200px]]
 
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==Structure of the Phosphorylation Motif of the oncogenic Protein beta-Catenin Recognized By a Selective Monoclonal Antibody==
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<StructureSection load='2g57' size='340' side='right'caption='[[2g57]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2g57]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G57 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2G57 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">Solution NMR</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>, <scene name='pdbligand=NH2:AMINO+GROUP'>NH2</scene>, <scene name='pdbligand=SEP:PHOSPHOSERINE'>SEP</scene></td></tr>
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{{STRUCTURE_2g57| PDB=2g57 | SCENE= }}
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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=2g57 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2g57 OCA], [https://pdbe.org/2g57 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2g57 RCSB], [https://www.ebi.ac.uk/pdbsum/2g57 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2g57 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q0PNE9_RABIT Q0PNE9_RABIT]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The interaction of the P-beta-Cat(19-44) peptide, a 26 amino acid peptide (K(19)AAVSHWQQQSYLDpSGIHpSGATTTAP(44)) that mimics the phosphorylated beta-Catenin antigen, has been studied with its monoclonal antibody BC-22, by transferred nuclear Overhauser effect NMR spectroscopy (TRNOESY) and saturation transfer difference NMR (STD NMR) spectroscopy. This antibody is specific to diphosphorylated beta-Catenin and does not react with the non-phosphorylated protein. Phosphorylation of beta-Catenin at sites Ser33 and Ser37 on the DSGXXS motif is required for the interaction of beta-Catenin with the ubiquitin ligase SCF(beta-TrCP). beta-TrCP is involved in the ubiquitination and proteasome targeting of the oncogenic protein beta-Catenin, the accumulation of which has been implicated in various human cancers. The three-dimensional structure of the P-beta-Cat(19-44) in the bound conformation was determined by TRNOESY NMR experiments; the peptide adopts a compact structure in the presence of mAb with formation of turns around Trp25 and Gln26, with a tight bend created by the DpS(33)GIHpS(37) motif; the peptide residues (D32-pS37) forming this bend are recognized by the antibody as demonstrated by STD NMR experiments. STD NMR studies provide evidence for the existence of a conformational epitope containing tandem repeats of phosphoserine motifs. The peptide's epitope is predominantly located in the large bend and in the N-terminal segment, implicating bidentate association. These findings are in excellent agreement with a recently published NMR structure required for the interaction of beta-Catenin with the SCF(beta-TrCP) protein.
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===Structure of the Phosphorylation Motif of the oncogenic Protein beta-Catenin Recognized By a Selective Monoclonal Antibody===
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STD and TRNOESY NMR studies for the epitope mapping of the phosphorylation motif of the oncogenic protein beta-catenin recognized by a selective monoclonal antibody.,Megy S, Bertho G, Gharbi-Benarous J, Baleux F, Benarous R, Girault JP FEBS Lett. 2006 Oct 2;580(22):5411-22. Epub 2006 Sep 14. PMID:16996060<ref>PMID:16996060</ref>
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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 class="pdbe-citations 2g57" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16996060 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16996060}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Homo sapiens]]
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[[2g57]] is a 1 chain structure of [[Catenin]]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G57 OCA].
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[[Category: Large Structures]]
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[[Category: Baleux F]]
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==See Also==
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[[Category: Benarous R]]
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*[[Catenin|Catenin]]
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[[Category: Bertho G]]
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[[Category: Gharbi-Benarous J]]
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==Reference==
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[[Category: Girault JP]]
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<ref group="xtra">PMID:016996060</ref><references group="xtra"/>
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[[Category: Megy S]]
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[[Category: Baleux, F.]]
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[[Category: Benarous, R.]]
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[[Category: Bertho, G.]]
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[[Category: Gharbi-Benarous, J.]]
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[[Category: Girault, J P.]]
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[[Category: Megy, S.]]
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[[Category: Antibody]]
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[[Category: Beta-catenin oncogenic protein]]
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[[Category: Binding fragment]]
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[[Category: Bound structure]]
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[[Category: Epitope mapping]]
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[[Category: Oncoprotein]]
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[[Category: P-beta-catenin phosphorylated peptide]]
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[[Category: P-beta-catenin-antibody complex]]
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[[Category: Restrained molecular dynamic]]
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[[Category: Std-nmr]]
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[[Category: Trnoesy]]
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Current revision

Structure of the Phosphorylation Motif of the oncogenic Protein beta-Catenin Recognized By a Selective Monoclonal Antibody

PDB ID 2g57

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