2hnp

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[[Image:2hnp.png|left|200px]]
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==CRYSTAL STRUCTURE OF HUMAN PROTEIN TYROSINE PHOSPHATASE 1B==
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<StructureSection load='2hnp' size='340' side='right' caption='[[2hnp]], [[Resolution|resolution]] 2.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2hnp]] 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=2HNP OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HNP FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Protein-tyrosine-phosphatase Protein-tyrosine-phosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.3.48 3.1.3.48] </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=2hnp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hnp OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2hnp RCSB], [http://www.ebi.ac.uk/pdbsum/2hnp 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/hn/2hnp_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 tyrosine phosphatases (PTPs) constitute a family of receptor-like and cytoplasmic signal transducing enzymes that catalyze the dephosphorylation of phosphotyrosine residues and are characterized by homologous catalytic domains. The crystal structure of a representative member of this family, the 37-kilodalton form (residues 1 to 321) of PTP1B, has been determined at 2.8 A resolution. The enzyme consists of a single domain with the catalytic site located at the base of a shallow cleft. The phosphate recognition site is created from a loop that is located at the amino-terminus of an alpha helix. This site is formed from an 11-residue sequence motif that is diagnostic of PTPs and the dual specificity phosphatases, and that contains the catalytically essential cysteine and arginine residues. The position of the invariant cysteine residue within the phosphate binding site is consistent with its role as a nucleophile in the catalytic reaction. The structure of PTP1B should serve as a model for other members of the PTP family and as a framework for understanding the mechanism of tyrosine dephosphorylation.
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{{STRUCTURE_2hnp| PDB=2hnp | SCENE= }}
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Crystal structure of human protein tyrosine phosphatase 1B.,Barford D, Flint AJ, Tonks NK Science. 1994 Mar 11;263(5152):1397-404. PMID:8128219<ref>PMID:8128219</ref>
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===CRYSTAL STRUCTURE OF HUMAN PROTEIN TYROSINE PHOSPHATASE 1B===
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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_8128219}}
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==About this Structure==
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[[2hnp]] 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=2HNP OCA].
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==See Also==
==See Also==
*[[Tyrosine phosphatase|Tyrosine phosphatase]]
*[[Tyrosine phosphatase|Tyrosine phosphatase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:008128219</ref><ref group="xtra">PMID:010952978</ref><ref group="xtra">PMID:015258570</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Protein-tyrosine-phosphatase]]
[[Category: Protein-tyrosine-phosphatase]]

Revision as of 04:52, 29 September 2014

CRYSTAL STRUCTURE OF HUMAN PROTEIN TYROSINE PHOSPHATASE 1B

2hnp, resolution 2.85Å

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