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2had

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[[Image:2had.png|left|200px]]
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==CRYSTAL STRUCTURE OF HALOALKANE DEHALOGENASE: AN ENZYME TO DETOXIFY HALOGENATED ALKANES==
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<StructureSection load='2had' size='340' side='right' caption='[[2had]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2had]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Xanthobacter_autotrophicus Xanthobacter autotrophicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HAD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HAD FirstGlance]. <br>
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</td></tr><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=2had FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2had OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2had RCSB], [http://www.ebi.ac.uk/pdbsum/2had 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/ha/2had_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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Haloalkane dehalogenase from Xanthobacter autotrophicus GJ10 converts 1-haloalkanes to the corresponding alcohols and halide ions with water as the sole cosubstrate and without any need for oxygen or cofactors. The three-dimensional structure has been determined by multiple isomorphous replacement techniques using three heavy atom derivatives. The structure has been refined at 2.4 A resolution to an R-factor of 17.9%. The monomeric enzyme is a spherical molecule and is composed to two domains: domain I has an alpha/beta type structure with a central eight-stranded mainly parallel beta-sheet. Domain II lies like a cap on top of domain I and consists of alpha-helices connected by loops. Except for the cap domain the structure resembles that of the dienelactone hydrolase in spite of any significant sequence homology. The putative active site is completely buried in an internal hydrophobic cavity which is located between the two domains. From the analysis of the structure it is suggested that Asp124 is the nucleophilic residue essential for the catalysis. It interacts with His289 which is hydrogen-bonded to Asp260.
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{{STRUCTURE_2had| PDB=2had | SCENE= }}
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Crystal structure of haloalkane dehalogenase: an enzyme to detoxify halogenated alkanes.,Franken SM, Rozeboom HJ, Kalk KH, Dijkstra BW EMBO J. 1991 Jun;10(6):1297-302. PMID:2026135<ref>PMID:2026135</ref>
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===CRYSTAL STRUCTURE OF HALOALKANE DEHALOGENASE: AN ENZYME TO DETOXIFY HALOGENATED ALKANES===
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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_2026135}}
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==See Also==
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*[[Dehalogenase|Dehalogenase]]
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==About this Structure==
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== References ==
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[[2had]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Xanthobacter_autotrophicus Xanthobacter autotrophicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HAD 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:002026135</ref><references group="xtra"/>
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[[Category: Xanthobacter autotrophicus]]
[[Category: Xanthobacter autotrophicus]]
[[Category: Dijkstra, B W.]]
[[Category: Dijkstra, B W.]]

Revision as of 07:43, 30 September 2014

CRYSTAL STRUCTURE OF HALOALKANE DEHALOGENASE: AN ENZYME TO DETOXIFY HALOGENATED ALKANES

2had, resolution 1.90Å

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