2d5i

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[[Image:2d5i.png|left|200px]]
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==The crystal structure of AzoR (Azo Reductase) from Escherichia coli==
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<StructureSection load='2d5i' size='340' side='right' caption='[[2d5i]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2d5i]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2D5I OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2D5I FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</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/Azobenzene_reductase Azobenzene reductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.7.1.6 1.7.1.6] </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=2d5i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2d5i OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2d5i RCSB], [http://www.ebi.ac.uk/pdbsum/2d5i 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/d5/2d5i_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 AzoR (azoreductase) has been determined in complex with FMN for two different crystal forms at 1.8 and 2.2 A resolution. AzoR is an oxidoreductase isolated from Escherichia coli as a protein responsible for the degradation of azo compounds. This enzyme is an FMN-dependent NADH-azoreductase and catalyzes the reductive cleavage of azo groups by a ping-pong mechanism. The structure suggests that AzoR acts in a homodimeric state forming the two identical catalytic sites to which both monomers contribute. The structure revealed that each monomer of AzoR has a flavodoxin-like structure, without the explicit overall amino acid sequence homology. Superposition of the structures from the two different crystal forms revealed the conformational change and suggested a mechanism for accommodating substrates of different size. Furthermore, comparison of the active site structure with that of NQO1 complexed with substrates provides clues to the possible substrate-binding mechanism of AzoR.
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{{STRUCTURE_2d5i| PDB=2d5i | SCENE= }}
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Three-dimensional structure of AzoR from Escherichia coli. An oxidereductase conserved in microorganisms.,Ito K, Nakanishi M, Lee WC, Sasaki H, Zenno S, Saigo K, Kitade Y, Tanokura M J Biol Chem. 2006 Jul 21;281(29):20567-76. Epub 2006 May 9. PMID:16684776<ref>PMID:16684776</ref>
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===The crystal structure of AzoR (Azo Reductase) from Escherichia coli===
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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_16684776}}
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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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[[2d5i]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2D5I OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:016684776</ref><references group="xtra"/>
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[[Category: Azobenzene reductase]]
[[Category: Azobenzene reductase]]
[[Category: Escherichia coli k-12]]
[[Category: Escherichia coli k-12]]

Revision as of 01:40, 30 September 2014

The crystal structure of AzoR (Azo Reductase) from Escherichia coli

2d5i, resolution 2.20Å

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