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[[Image:2wdr.png|left|200px]]
==E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) WITH PENTACHLOROPHENOL BOUND==
<StructureSection load='2wdr' size='340' side='right' caption='[[2wdr]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2wdr]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WDR OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2WDR FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=F3S:FE3-S4+CLUSTER'>F3S</scene>, <scene name='pdbligand=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PCI:PENTACHLOROPHENOL'>PCI</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=TEO:MALATE+LIKE+INTERMEDIATE'>TEO</scene><br>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1nek|1nek]], [[1nen|1nen]], [[2acz|2acz]], [[2wdq|2wdq]], [[2wdv|2wdv]]</td></tr>
<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Succinate_dehydrogenase_(ubiquinone) Succinate dehydrogenase (ubiquinone)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.3.5.1 1.3.5.1] </span></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=2wdr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2wdr OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2wdr RCSB], [http://www.ebi.ac.uk/pdbsum/2wdr PDBsum]</span></td></tr>
<table>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/wd/2wdr_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Three new structures of Escherichia coli succinate-quinone oxidoreductase (SQR) have been solved. One with the specific quinone-binding site (Q-site) inhibitor carboxin present has been solved at 2.4 A resolution and reveals how carboxin inhibits the Q-site. The other new structures are with the Q-site inhibitor pentachlorophenol and with an empty Q-site. These structures reveal important details unresolved in earlier structures. Comparison of the new SQR structures shows how subtle rearrangements of the quinone-binding site accommodate the different inhibitors. The position of conserved water molecules near the quinone binding pocket leads to a reassessment of possible water-mediated proton uptake networks that complete reduction of ubiquinone. The dicarboxylate-binding site in the soluble domain of SQR is highly similar to that seen in high resolution structures of avian SQR (PDB 2H88) and soluble flavocytochrome c (PDB 1QJD) showing mechanistically significant structural features conserved across prokaryotic and eukaryotic SQRs.


{{STRUCTURE_2wdr|  PDB=2wdr  |  SCENE=  }}
Structure of Escherichia coli succinate:quinone oxidoreductase with an occupied and empty quinone-binding site.,Ruprecht J, Yankovskaya V, Maklashina E, Iwata S, Cecchini G J Biol Chem. 2009 Oct 23;284(43):29836-46. Epub 2009 Aug 25. PMID:19710024<ref>PMID:19710024</ref>


===E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) WITH PENTACHLOROPHENOL BOUND===
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
{{ABSTRACT_PUBMED_19710024}}
 
==About this Structure==
[[2wdr]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WDR OCA].


==See Also==
==See Also==
*[[Succinate Dehydrogenase|Succinate Dehydrogenase]]
*[[Succinate Dehydrogenase|Succinate Dehydrogenase]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:019710024</ref><references group="xtra"/>
__TOC__
</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Cecchini, G.]]
[[Category: Cecchini, G.]]

Revision as of 10:28, 29 September 2014

E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) WITH PENTACHLOROPHENOL BOUND

2wdr, resolution 3.20Å

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