2w43

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[[Image:2w43.png|left|200px]]
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==STRUCTURE OF L-HALOACID DEHALOGENASE FROM S. TOKODAII==
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<StructureSection load='2w43' size='340' side='right' caption='[[2w43]], [[Resolution|resolution]] 1.66&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2w43]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Sulfolobus_tokodaii Sulfolobus tokodaii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2W43 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2W43 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2w11|2w11]]</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/Diisopropyl-fluorophosphatase Diisopropyl-fluorophosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.8.2 3.1.8.2] </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=2w43 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2w43 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2w43 RCSB], [http://www.ebi.ac.uk/pdbsum/2w43 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/w4/2w43_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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Haloacid dehalogenases have potential applications in the pharmaceutical and fine chemical industry as well as in the remediation of contaminated land. The L: -2-haloacid dehalogenase from the thermophilic archaeon Sulfolobus tokodaii has been cloned and over-expressed in Escherichia coli and successfully purified to homogeneity. Here we report the structure of the recombinant dehalogenase solved by molecular replacement in two different crystal forms. The enzyme is a homodimer with each monomer being composed of a core-domain of a beta-sheet bundle surrounded by alpha-helices and an alpha-helical sub-domain. This fold is similar to previously solved mesophilic L: -haloacid dehalogenase structures. The monoclinic crystal form contains a putative inhibitor L: -lactate in the active site. The enzyme displays haloacid dehalogenase activity towards carboxylic acids with the halide attached at the C2 position with the highest activity towards chloropropionic acid. The enzyme is thermostable with maximum activity at 60 degrees C and a half-life of over 1 h at 70 degrees C. The enzyme is relatively stable to solvents with 25% activity lost when incubated for 1 h in 20% v/v DMSO.
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{{STRUCTURE_2w43| PDB=2w43 | SCENE= }}
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Biochemical and structural studies of a L: -haloacid dehalogenase from the thermophilic archaeon Sulfolobus tokodaii.,Rye CA, Isupov MN, Lebedev AA, Littlechild JA Extremophiles. 2008 Nov 29. PMID:19039518<ref>PMID:19039518</ref>
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===STRUCTURE OF L-HALOACID DEHALOGENASE FROM S. TOKODAII===
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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_19039518}}
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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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[[2w43]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Sulfolobus_tokodaii Sulfolobus tokodaii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2W43 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:019039518</ref><references group="xtra"/>
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[[Category: Diisopropyl-fluorophosphatase]]
[[Category: Diisopropyl-fluorophosphatase]]
[[Category: Sulfolobus tokodaii]]
[[Category: Sulfolobus tokodaii]]

Revision as of 01:12, 1 October 2014

STRUCTURE OF L-HALOACID DEHALOGENASE FROM S. TOKODAII

2w43, resolution 1.66Å

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