1a6q

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[[Image:1a6q.png|left|200px]]
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==CRYSTAL STRUCTURE OF THE PROTEIN SERINE/THREONINE PHOSPHATASE 2C AT 2 A RESOLUTION==
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<StructureSection load='1a6q' size='340' side='right' caption='[[1a6q]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1a6q]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A6Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1A6Q FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Phosphoprotein_phosphatase Phosphoprotein phosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.3.16 3.1.3.16] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1a6q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1a6q OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1a6q RCSB], [http://www.ebi.ac.uk/pdbsum/1a6q 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/a6/1a6q_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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Protein phosphatase 2C (PP2C) is a Mn2+- or Mg2+-dependent protein Ser/Thr phosphatase that is essential for regulating cellular stress responses in eukaryotes. The crystal structure of human PP2C reveals a novel protein fold with a catalytic domain composed of a central beta-sandwich that binds two manganese ions, which is surrounded by alpha-helices. Mn2+-bound water molecules at the binuclear metal centre coordinate the phosphate group of the substrate and provide a nucleophile and general acid in the dephosphorylation reaction. Our model presents a framework for understanding not only the classical Mn2+/Mg2+-dependent protein phosphatases but also the sequence-related domains of mitochondrial pyruvate dehydrogenase phosphatase, the Bacillus subtilus phosphatase SpoIIE and a 300-residue domain within yeast adenyl cyclase. The protein architecture and deduced catalytic mechanism are strikingly similar to the PP1, PP2A, PP2B family of protein Ser/Thr phosphatases, with which PP2C shares no sequence similarity, suggestive of convergent evolution of protein Ser/Thr phosphatases.
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{{STRUCTURE_1a6q| PDB=1a6q | SCENE= }}
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Crystal structure of the protein serine/threonine phosphatase 2C at 2.0 A resolution.,Das AK, Helps NR, Cohen PT, Barford D EMBO J. 1996 Dec 16;15(24):6798-809. PMID:9003755<ref>PMID:9003755</ref>
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===CRYSTAL STRUCTURE OF THE PROTEIN SERINE/THREONINE PHOSPHATASE 2C AT 2 A RESOLUTION===
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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_9003755}}
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==See Also==
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*[[Protein phosphatase|Protein phosphatase]]
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==About this Structure==
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== References ==
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[[1a6q]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A6Q OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:009003755</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Phosphoprotein phosphatase]]
[[Category: Phosphoprotein phosphatase]]

Revision as of 08:32, 23 July 2014

CRYSTAL STRUCTURE OF THE PROTEIN SERINE/THREONINE PHOSPHATASE 2C AT 2 A RESOLUTION

1a6q, resolution 2.00Å

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