1dwq

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[[Image:1dwq.png|left|200px]]
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==CRYSTAL STRUCTURE OF HYDROXYNITRILE LYASE FROM MANIHOT ESCULENTA IN COMPLEX WITH SUBSTRATES ACETONE AND CHLOROACETONE:IMPLICATIONS FOR THE MECHANISM OF CYANOGENESIS==
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<StructureSection load='1dwq' size='340' side='right' caption='[[1dwq]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dwq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Manihot_esculenta Manihot esculenta]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DWQ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1DWQ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ATO:CHLOROACETONE'>ATO</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CSA:S-ACETONYLCYSTEINE'>CSA</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1dwp|1dwp]], [[1dwo|1dwo]]</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/Trans-epoxysuccinate_hydrolase Trans-epoxysuccinate hydrolase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.3.2.4 3.3.2.4] </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=1dwq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dwq OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1dwq RCSB], [http://www.ebi.ac.uk/pdbsum/1dwq 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/dw/1dwq_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 crystal structures of hydroxynitrile lyase from Manihot esculenta (MeHNL) complexed with the native substrate acetone and substrate analogue chloroacetone have been determined and refined at 2.2 A resolution. The substrates are positioned in the active site by hydrogen-bond interactions of the carbonyl O atom with Thr11 OG, Ser80 OG and, to a lesser extent, Cys81 SG. These studies support a mechanism for cyanogenesis as well as for the stereospecific MeHNL-catalyzed formation of (S)-cyanohydrins, which closely resembles the base-catalyzed chemical reaction of HCN with carbonyl compounds.
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{{STRUCTURE_1dwq| PDB=1dwq | SCENE= }}
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Structure of hydroxynitrile lyase from Manihot esculenta in complex with substrates acetone and chloroacetone: implications for the mechanism of cyanogenesis.,Lauble H, Forster S, Miehlich B, Wajant H, Effenberger F Acta Crystallogr D Biol Crystallogr. 2001 Feb;57(Pt 2):194-200. PMID:11173464<ref>PMID:11173464</ref>
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===CRYSTAL STRUCTURE OF HYDROXYNITRILE LYASE FROM MANIHOT ESCULENTA IN COMPLEX WITH SUBSTRATES ACETONE AND CHLOROACETONE:IMPLICATIONS FOR THE MECHANISM OF CYANOGENESIS===
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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_11173464}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1dwq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Manihot_esculenta Manihot esculenta]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DWQ OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:011173464</ref><references group="xtra"/>
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[[Category: Manihot esculenta]]
[[Category: Manihot esculenta]]
[[Category: Trans-epoxysuccinate hydrolase]]
[[Category: Trans-epoxysuccinate hydrolase]]

Revision as of 10:54, 10 September 2014

CRYSTAL STRUCTURE OF HYDROXYNITRILE LYASE FROM MANIHOT ESCULENTA IN COMPLEX WITH SUBSTRATES ACETONE AND CHLOROACETONE:IMPLICATIONS FOR THE MECHANISM OF CYANOGENESIS

1dwq, resolution 2.20Å

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