2lb3

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[[Image:2lb3.jpg|left|200px]]
 
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==Structure of the WW domain of PIN1 in complex with a human phosphorylated Smad3 derived peptide==
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The line below this paragraph, containing "STRUCTURE_2lb3", creates the "Structure Box" on the page.
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<StructureSection load='2lb3' size='340' side='right'caption='[[2lb3]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2lb3]] is a 2 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=2LB3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2LB3 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, 20 models</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=TPO:PHOSPHOTHREONINE'>TPO</scene></td></tr>
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{{STRUCTURE_2lb3| PDB=2lb3 | 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=2lb3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2lb3 OCA], [https://pdbe.org/2lb3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2lb3 RCSB], [https://www.ebi.ac.uk/pdbsum/2lb3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2lb3 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PIN1_HUMAN PIN1_HUMAN] Essential PPIase that regulates mitosis presumably by interacting with NIMA and attenuating its mitosis-promoting activity. Displays a preference for an acidic residue N-terminal to the isomerized proline bond. Catalyzes pSer/Thr-Pro cis/trans isomerizations. Down-regulates kinase activity of BTK. Can transactivate multiple oncogenes and induce centrosome amplification, chromosome instability and cell transformation. Required for the efficient dephosphorylation and recycling of RAF1 after mitogen activation.<ref>PMID:15664191</ref> <ref>PMID:16644721</ref> <ref>PMID:21497122</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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When directed to the nucleus by TGF-beta or BMP signals, Smad proteins undergo cyclin-dependent kinase 8/9 (CDK8/9) and glycogen synthase kinase-3 (GSK3) phosphorylations that mediate the binding of YAP and Pin1 for transcriptional action, and of ubiquitin ligases Smurf1 and Nedd4L for Smad destruction. Here we demonstrate that there is an order of events-Smad activation first and destruction later-and that it is controlled by a switch in the recognition of Smad phosphoserines by WW domains in their binding partners. In the BMP pathway, Smad1 phosphorylation by CDK8/9 creates binding sites for the WW domains of YAP, and subsequent phosphorylation by GSK3 switches off YAP binding and adds binding sites for Smurf1 WW domains. Similarly, in the TGF-beta pathway, Smad3 phosphorylation by CDK8/9 creates binding sites for Pin1 and GSK3, then adds sites to enhance Nedd4L binding. Thus, a Smad phosphoserine code and a set of WW domain code readers provide an efficient solution to the problem of coupling TGF-beta signal delivery to turnover of the Smad signal transducers.
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===Structure of the WW domain of PIN1 in complex with a human phosphorylated Smad3 derived peptide===
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A Smad action turnover switch operated by WW domain readers of a phosphoserine code.,Aragon E, Goerner N, Zaromytidou AI, Xi Q, Escobedo A, Massague J, Macias MJ Genes Dev. 2011 Jun 15;25(12):1275-88. PMID:21685363<ref>PMID:21685363</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>
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<div class="pdbe-citations 2lb3" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Peptidyl-prolyl cis-trans isomerase 3D structures|Peptidyl-prolyl cis-trans isomerase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 21685363 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_21685363}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[2lb3]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LB3 OCA].
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==Reference==
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<ref group="xtra">PMID:021685363</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Peptidylprolyl isomerase]]
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[[Category: Large Structures]]
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[[Category: Aragon, E.]]
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[[Category: Aragon E]]
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[[Category: Escobedo, A.]]
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[[Category: Escobedo A]]
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[[Category: Goerner, N.]]
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[[Category: Goerner N]]
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[[Category: Macias, M J.]]
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[[Category: Macias MJ]]
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[[Category: Massague, J.]]
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[[Category: Massague J]]
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[[Category: Xi, Q.]]
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[[Category: Xi Q]]
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[[Category: Zaromytidou, A.]]
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[[Category: Zaromytidou A]]
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[[Category: Cdk]]
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[[Category: Pin1]]
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[[Category: Signal transduction]]
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[[Category: Signaling protein-transcription complex]]
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[[Category: Smad]]
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Current revision

Structure of the WW domain of PIN1 in complex with a human phosphorylated Smad3 derived peptide

PDB ID 2lb3

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