1xww

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[[Image:1xww.png|left|200px]]
 
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{{STRUCTURE_1xww| PDB=1xww | SCENE= }}
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==Crystal Structure of Human B-form Low Molecular Weight Phosphotyrosyl Phosphatase at 1.6 Angstrom Resolution==
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<StructureSection load='1xww' size='340' side='right'caption='[[1xww]], [[Resolution|resolution]] 1.63&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1xww]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XWW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1XWW 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]] 1.63&#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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=1xww FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xww OCA], [https://pdbe.org/1xww PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1xww RCSB], [https://www.ebi.ac.uk/pdbsum/1xww PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1xww ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PPAC_HUMAN PPAC_HUMAN] Acts on tyrosine phosphorylated proteins, low-MW aryl phosphates and natural and synthetic acyl phosphates. Isoform 3 does not possess phosphatase activity.
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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/xw/1xww_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/main_output.php?pdb_ID=1xww 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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The crystal structure of HPTP-B, a human isoenzyme of the low molecular weight phosphotyrosyl phosphatase (LMW PTPase) is reported here at a resolution of 1.6 A. This high resolution structure of the second human LMW PTPase isoenzyme provides the opportunity to examine the structural basis of different substrate and inhibitor/activator responses. The crystal packing of HPTP-B positions a normally surface-exposed arginine in a position equivalent to the tyrosyl substrate. A comparison of all deposited crystallographic coordinates of these PTPases reveals three atomic positions within the active site cavity occupied by hydrogen bond donor or acceptor atoms on bound molecules, suggesting useful design elements for synthetic inhibitors. A selection of inhibitor and activator molecules as well as small molecule and peptide substrates were tested against each human isoenzyme. These results along with the crystal packing seen in HPTP-B suggest relevant sequence elements in the currently unknown target sequence.
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===Crystal Structure of Human B-form Low Molecular Weight Phosphotyrosyl Phosphatase at 1.6 Angstrom Resolution===
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Crystal structure of the human B-form low molecular weight phosphotyrosyl phosphatase at 1.6-A resolution.,Zabell AP, Schroff AD Jr, Bain BE, Van Etten RL, Wiest O, Stauffacher CV J Biol Chem. 2006 Mar 10;281(10):6520-7. Epub 2005 Oct 27. PMID:16253994<ref>PMID:16253994</ref>
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{{ABSTRACT_PUBMED_16253994}}
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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 1xww" style="background-color:#fffaf0;"></div>
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[[1xww]] is a 1 chain structure of [[Acid phosphatase]] and [[Tyrosine phosphatase]] 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=1XWW OCA].
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==See Also==
==See Also==
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*[[Acid phosphatase|Acid phosphatase]]
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*[[Acid phosphatase 3D structures|Acid phosphatase 3D structures]]
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*[[Tyrosine phosphatase|Tyrosine phosphatase]]
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*[[Tyrosine phosphatase 3D structures|Tyrosine phosphatase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016253994</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Stauffacher, C V.]]
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[[Category: Large Structures]]
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[[Category: Zabell, A P.R.]]
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[[Category: Stauffacher CV]]
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[[Category: Hydrolase]]
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[[Category: Zabell APR]]

Current revision

Crystal Structure of Human B-form Low Molecular Weight Phosphotyrosyl Phosphatase at 1.6 Angstrom Resolution

PDB ID 1xww

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