4n65

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<StructureSection load='4n65' size='340' side='right'caption='[[4n65]], [[Resolution|resolution]] 1.82&Aring;' scene=''>
<StructureSection load='4n65' size='340' side='right'caption='[[4n65]], [[Resolution|resolution]] 1.82&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4n65]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseae Pseae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4N65 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4N65 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4n65]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa_PAO1 Pseudomonas aeruginosa PAO1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4N65 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4N65 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AQN:9,10-DIOXO-9,10-DIHYDROANTHRACENE-2-SULFONIC+ACID'>AQN</scene>, <scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.816&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2v9c|2v9c]], [[3keg|3keg]], [[3lt5|3lt5]], [[3r6w|3r6w]], [[4n9q|4n9q]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=AQN:9,10-DIOXO-9,10-DIHYDROANTHRACENE-2-SULFONIC+ACID'>AQN</scene>, <scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">azoR1, PA0785 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=208964 PSEAE])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4n65 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4n65 OCA], [https://pdbe.org/4n65 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4n65 RCSB], [https://www.ebi.ac.uk/pdbsum/4n65 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4n65 ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4n65 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4n65 OCA], [http://pdbe.org/4n65 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4n65 RCSB], [http://www.ebi.ac.uk/pdbsum/4n65 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4n65 ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/AZOR1_PSEAE AZOR1_PSEAE]] Catalyzes the reductive cleavage of azo bond in aromatic azo compounds to the corresponding amines. Requires NADH, but not NADPH, as an electron donor for its activity (By similarity).
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[https://www.uniprot.org/uniprot/AZOR1_PSEAE AZOR1_PSEAE] Catalyzes the reductive cleavage of azo bond in aromatic azo compounds to the corresponding amines. Requires NADH, but not NADPH, as an electron donor for its activity (By similarity).
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Water soluble quinones are a group of cytotoxic anti-bacterial compounds that are secreted by many species of plants, invertebrates, fungi and bacteria. Studies in a number of species have shown the importance of quinones in response to pathogenic bacteria of the genus Pseudomonas. Two electron reduction is an important mechanism of quinone detoxification as it generates the less toxic quinol. In most organisms this reaction is carried out by a group of flavoenzymes known as NAD(P)H quinone oxidoreductases. Azoreductases have previously been separate from this group, however using azoreductases from Pseudomonas aeruginosa we show that they can rapidly reduce quinones. Azoreductases from the same organism are also shown to have distinct substrate specificity profiles allowing them to reduce a wide range of quinones. The azoreductase family is also shown to be more extensive than originally thought, due to the large sequence divergence amongst its members. As both NAD(P)H quinone oxidoreductases and azoreductases have related reaction mechanisms it is proposed that they form an enzyme superfamily. The ubiquitous and diverse nature of azoreductases alongside their broad substrate specificity, indicates they play a wide role in cellular survival under adverse conditions.
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Identification of NAD(P)H Quinone Oxidoreductase Activity in Azoreductases from P. aeruginosa: Azoreductases and NAD(P)H Quinone Oxidoreductases Belong to the Same FMN-Dependent Superfamily of Enzymes.,Ryan A, Kaplan E, Nebel JC, Polycarpou E, Crescente V, Lowe E, Preston GM, Sim E PLoS One. 2014 Jun 10;9(6):e98551. doi: 10.1371/journal.pone.0098551. eCollection, 2014. PMID:24915188<ref>PMID:24915188</ref>
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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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<div class="pdbe-citations 4n65" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Pseae]]
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[[Category: Pseudomonas aeruginosa PAO1]]
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[[Category: Crescente, V]]
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[[Category: Crescente V]]
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[[Category: Kaplan, E]]
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[[Category: Kaplan E]]
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[[Category: Lowe, E]]
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[[Category: Lowe E]]
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[[Category: Preston, G M]]
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[[Category: Preston GM]]
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[[Category: Ryan, A]]
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[[Category: Ryan A]]
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[[Category: Sim, E]]
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[[Category: Sim E]]
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[[Category: Azoreductase]]
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[[Category: Oxidoreductase]]
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[[Category: Quinone]]
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Current revision

Crystal structure of paAzoR1 bound to anthraquinone-2-sulphonate

PDB ID 4n65

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