1gtz

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[[Image:1gtz.png|left|200px]]
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==STRUCTURE OF STREPTOMYCES COELICOLOR TYPE II DEHYDROQUINASE R23A MUTANT IN COMPLEX WITH DEHYDROSHIKIMATE==
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<StructureSection load='1gtz' size='340' side='right' caption='[[1gtz]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1gtz]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptomyces_coelicolor Streptomyces coelicolor]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GTZ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1GTZ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DHK:3-DEHYDROSHIKIMATE'>DHK</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1d0i|1d0i]], [[1gu0|1gu0]], [[1gu1|1gu1]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/3-dehydroquinate_dehydratase 3-dehydroquinate dehydratase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.1.10 4.2.1.10] </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=1gtz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gtz OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1gtz RCSB], [http://www.ebi.ac.uk/pdbsum/1gtz 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/gt/1gtz_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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The structure of the type II DHQase from Streptomyces coelicolor has been solved and refined to high resolution in complexes with a number of ligands, including dehydroshikimate and a rationally designed transition state analogue, 2,3-anhydro-quinic acid. These structures define the active site of the enzyme and the role of key amino acid residues and provide snap shots of the catalytic cycle. The resolution of the flexible lid domain (residues 21-31) shows that the invariant residues Arg23 and Tyr28 close over the active site cleft. The tyrosine acts as the base in the initial proton abstraction, and evidence is provided that the reaction proceeds via an enol intermediate. The active site of the structure of DHQase in complex with the transition state analog also includes molecules of tartrate and glycerol, which provide a basis for further inhibitor design.
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{{STRUCTURE_1gtz| PDB=1gtz | SCENE= }}
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The structure and mechanism of the type II dehydroquinase from Streptomyces coelicolor.,Roszak AW, Robinson DA, Krell T, Hunter IS, Fredrickson M, Abell C, Coggins JR, Lapthorn AJ Structure. 2002 Apr;10(4):493-503. PMID:11937054<ref>PMID:11937054</ref>
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===STRUCTURE OF STREPTOMYCES COELICOLOR TYPE II DEHYDROQUINASE R23A MUTANT IN COMPLEX WITH DEHYDROSHIKIMATE===
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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_11937054}}
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==See Also==
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*[[Dehydroquinase|Dehydroquinase]]
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==About this Structure==
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== References ==
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[[1gtz]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptomyces_coelicolor Streptomyces coelicolor]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GTZ 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:011937054</ref><references group="xtra"/>
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[[Category: 3-dehydroquinate dehydratase]]
[[Category: 3-dehydroquinate dehydratase]]
[[Category: Streptomyces coelicolor]]
[[Category: Streptomyces coelicolor]]

Revision as of 11:46, 28 September 2014

STRUCTURE OF STREPTOMYCES COELICOLOR TYPE II DEHYDROQUINASE R23A MUTANT IN COMPLEX WITH DEHYDROSHIKIMATE

1gtz, resolution 1.60Å

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