2rh8

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[[Image:2rh8.png|left|200px]]
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==Structure of apo anthocyanidin reductase from vitis vinifera==
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<StructureSection load='2rh8' size='340' side='right' caption='[[2rh8]], [[Resolution|resolution]] 2.22&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2rh8]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Vitis_vinifera Vitis vinifera]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RH8 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2RH8 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">VvANR ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=29760 Vitis vinifera])</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/Anthocyanidin_reductase Anthocyanidin reductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.3.1.77 1.3.1.77] </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=2rh8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2rh8 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2rh8 RCSB], [http://www.ebi.ac.uk/pdbsum/2rh8 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/rh/2rh8_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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Together with leucoanthocyanidin reductase, anthocyanidin reductase (ANR) is one of the two enzymes of the flavonoid-biosynthesis pathway that produces the flavan-3-ol monomers required for the formation of proanthocyanidins or condensed tannins. It has been shown to catalyse the double reduction of anthocyanidins to form 2R,3R-flavan-3-ols, which can be further transformed to the 2S,3R isomers by non-enzymatic epimerization. ANR from grape (Vitis vinifera) was expressed in Escherichia coli and purified. Unexpectedly, RP-HPLC, LC-MS and NMR experiments clearly established that the enzyme produces a 50:50 mixture of 2,3-cis and 2,3-trans flavan-3-ols which have been identified by chiral chromatography to be 2S,3S- and 2S,3R-flavan-3-ols, i.e. the naturally rare (+)-epicatechin and (-)-catechin, when cyanidin is used as the substrate of the reaction. The first three-dimensional structure of ANR is described at a resolution of 2.2 A and explains the inactivity of the enzyme in the presence of high salt concentrations.
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{{STRUCTURE_2rh8| PDB=2rh8 | SCENE= }}
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Structure and epimerase activity of anthocyanidin reductase from Vitis vinifera.,Gargouri M, Manigand C, Mauge C, Granier T, Langlois d'Estaintot B, Cala O, Pianet I, Bathany K, Chaudiere J, Gallois B Acta Crystallogr D Biol Crystallogr. 2009 Sep;65(Pt 9):989-1000. Epub 2009, Aug 14. PMID:19690377<ref>PMID:19690377</ref>
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===Structure of apo anthocyanidin reductase from vitis vinifera===
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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_19690377}}
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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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[[2rh8]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Vitis_vinifera Vitis vinifera]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RH8 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019690377</ref><references group="xtra"/>
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[[Category: Anthocyanidin reductase]]
[[Category: Anthocyanidin reductase]]
[[Category: Vitis vinifera]]
[[Category: Vitis vinifera]]

Revision as of 18:40, 30 September 2014

Structure of apo anthocyanidin reductase from vitis vinifera

2rh8, resolution 2.22Å

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