2pda

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[[Image:2pda.png|left|200px]]
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==CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN PYRUVATE-FERREDOXIN OXIDOREDUCTASE FROM DESULFOVIBRIO AFRICANUS AND PYRUVATE.==
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<StructureSection load='2pda' size='340' side='right' caption='[[2pda]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2pda]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Desulfovibrio_africanus Desulfovibrio africanus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PDA OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2PDA FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PYR:PYRUVIC+ACID'>PYR</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=TPP:THIAMINE+DIPHOSPHATE'>TPP</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Pyruvate_synthase Pyruvate synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.2.7.1 1.2.7.1] </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=2pda FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2pda OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2pda RCSB], [http://www.ebi.ac.uk/pdbsum/2pda 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/pd/2pda_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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Oxidative decarboxylation of pyruvate to form acetyl-coenzyme A, a crucial step in many metabolic pathways, is carried out in most aerobic organisms by the multienzyme complex pyruvate dehydrogenase. In most anaerobes, the same reaction is usually catalyzed by a single enzyme, pyruvate:ferredoxin oxidoreductase (PFOR). Thus, PFOR is a potential target for drug design against certain anaerobic pathogens. Here, we report the crystal structures of the homodimeric Desulfovibrio africanus PFOR (data to 2.3 A resolution), and of its complex with pyruvate (3.0 A resolution). The structures show that each subunit consists of seven domains, one of which affords protection against oxygen. The thiamin pyrophosphate (TPP) cofactor and the three [4Fe-4S] clusters are suitably arranged to provide a plausible electron transfer pathway. In addition, the PFOR-pyruvate complex structure shows the noncovalent fixation of the substrate before the catalytic reaction.
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{{STRUCTURE_2pda| PDB=2pda | SCENE= }}
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Crystal structures of the key anaerobic enzyme pyruvate:ferredoxin oxidoreductase, free and in complex with pyruvate.,Chabriere E, Charon MH, Volbeda A, Pieulle L, Hatchikian EC, Fontecilla-Camps JC Nat Struct Biol. 1999 Feb;6(2):182-90. PMID:10048931<ref>PMID:10048931</ref>
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===CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN PYRUVATE-FERREDOXIN OXIDOREDUCTASE FROM DESULFOVIBRIO AFRICANUS AND PYRUVATE.===
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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_10048931}}
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==About this Structure==
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[[2pda]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Desulfovibrio_africanus Desulfovibrio africanus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PDA OCA].
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==See Also==
==See Also==
*[[Pyruvate-ferredoxin oxidoreductase|Pyruvate-ferredoxin oxidoreductase]]
*[[Pyruvate-ferredoxin oxidoreductase|Pyruvate-ferredoxin oxidoreductase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:010048931</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Desulfovibrio africanus]]
[[Category: Desulfovibrio africanus]]
[[Category: Pyruvate synthase]]
[[Category: Pyruvate synthase]]

Revision as of 06:46, 29 September 2014

CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN PYRUVATE-FERREDOXIN OXIDOREDUCTASE FROM DESULFOVIBRIO AFRICANUS AND PYRUVATE.

2pda, resolution 3.00Å

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