1y5l

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[[Image:1y5l.png|left|200px]]
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==The crystal structure of the NarGHI mutant NarI-H66Y==
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<StructureSection load='1y5l' size='340' side='right' caption='[[1y5l]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1y5l]] is a 3 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=1Y5L OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Y5L FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=3PH:1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE'>3PH</scene>, <scene name='pdbligand=6MO:MOLYBDENUM(VI)+ION'>6MO</scene>, <scene name='pdbligand=F3S:FE3-S4+CLUSTER'>F3S</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=MD1:PHOSPHORIC+ACID+4-(2-AMINO-4-OXO-3,4,5,6,-TETRAHYDRO-PTERIDIN-6-YL)-2-HYDROXY-3,4-DIMERCAPTO-BUT-3-EN-YL+ESTER+GUANYLATE+ESTER'>MD1</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=FME:N-FORMYLMETHIONINE'>FME</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1q16|1q16]], [[1y4z|1y4z]], [[1y5i|1y5i]], [[1y5n|1y5n]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">narG ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), narH ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), narI ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</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/Nitrate_reductase Nitrate reductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.7.99.4 1.7.99.4] </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=1y5l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1y5l OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1y5l RCSB], [http://www.ebi.ac.uk/pdbsum/1y5l 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/y5/1y5l_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 structure of Escherichia coli nitrate reductase A (NarGHI) in complex with pentachlorophenol has been determined to 2.0 A of resolution. We have shown that pentachlorophenol is a potent inhibitor of quinol:nitrate oxidoreductase activity and that it also perturbs the EPR spectrum of one of the hemes located in the membrane anchoring subunit (NarI). This new structural information together with site-directed mutagenesis data, biochemical analyses, and molecular modeling provide the first molecular characterization of a quinol binding and oxidation site (Q-site) in NarGHI. A possible proton conduction pathway linked to electron transfer reactions has also been defined, providing fundamental atomic details of ubiquinol oxidation by NarGHI at the bacterial membrane.
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{{STRUCTURE_1y5l| PDB=1y5l | SCENE= }}
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Structural and biochemical characterization of a quinol binding site of Escherichia coli nitrate reductase A.,Bertero MG, Rothery RA, Boroumand N, Palak M, Blasco F, Ginet N, Weiner JH, Strynadka NC J Biol Chem. 2005 Apr 15;280(15):14836-43. Epub 2004 Dec 22. PMID:15615728<ref>PMID:15615728</ref>
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===The crystal structure of the NarGHI mutant NarI-H66Y===
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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_15615728}}
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==See Also==
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*[[Nitrate reductase|Nitrate reductase]]
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==About this Structure==
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== References ==
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[[1y5l]] is a 3 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=1Y5L 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:015615728</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Nitrate reductase]]
[[Category: Nitrate reductase]]

Revision as of 18:47, 29 September 2014

The crystal structure of the NarGHI mutant NarI-H66Y

1y5l, resolution 2.50Å

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