3keg

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{{STRUCTURE_3keg| PDB=3keg | SCENE= }}
 
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===X-ray Crystallographic Structure of a Y131F mutant of Pseudomonas Aeruginosa Azoreductase in complex with Methyl RED===
 
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{{ABSTRACT_PUBMED_20057057}}
 
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==Function==
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==X-ray Crystallographic Structure of a Y131F mutant of Pseudomonas Aeruginosa Azoreductase in complex with Methyl RED==
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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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<StructureSection load='3keg' size='340' side='right'caption='[[3keg]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3keg]] 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=3KEG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3KEG FirstGlance]. <br>
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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]] 2.1&#8491;</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=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MRE:2-(4-DIMETHYLAMINOPHENYL)DIAZENYLBENZOIC+ACID'>MRE</scene></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=3keg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3keg OCA], [https://pdbe.org/3keg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3keg RCSB], [https://www.ebi.ac.uk/pdbsum/3keg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3keg ProSAT]</span></td></tr>
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</table>
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== Function ==
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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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== 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/ke/3keg_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/main_output.php?pdb_ID=3keg 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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Azoreductase 1 from Pseudomonas aeruginosa strain PAO1 (paAzoR1) catalyses the activation of the prodrug balsalazide and reduces the azo dye methyl red using reduced nicotinamide adenine dinucleotide cofactor as an electron donor. To investigate the mechanism of the enzyme, a Y131F mutation was introduced and the enzymic properties of the mutant were compared with those of the wild-type enzyme. The crystallographic structure of the mutant with methyl red bound was solved at 2.1 A resolution and compared with the wild-type structure. Tyr131 is important in the architecture of the active site but is not essential for enzymic activity.
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==About this Structure==
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Role of tyrosine 131 in the active site of paAzoR1, an azoreductase with specificity for the inflammatory bowel disease prodrug balsalazide.,Wang CJ, Laurieri N, Abuhammad A, Lowe E, Westwood I, Ryan A, Sim E Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Jan 1;66(Pt 1):2-7., Epub 2009 Dec 25. PMID:20057057<ref>PMID:20057057</ref>
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[[3keg]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KEG OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:020057057</ref><references group="xtra"/><references/>
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</div>
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[[Category: Pseudomonas aeruginosa]]
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<div class="pdbe-citations 3keg" style="background-color:#fffaf0;"></div>
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[[Category: Abuhammad, A.]]
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== References ==
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[[Category: Laurieri, N.]]
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<references/>
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[[Category: Lowe, E.]]
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__TOC__
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[[Category: Ryan, A.]]
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</StructureSection>
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[[Category: Sim, E.]]
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[[Category: Large Structures]]
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[[Category: Wang, C J.]]
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[[Category: Pseudomonas aeruginosa PAO1]]
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[[Category: Westwood, I.]]
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[[Category: Abuhammad A]]
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[[Category: Flavoprotein]]
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[[Category: Laurieri N]]
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[[Category: Fmn]]
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[[Category: Lowe E]]
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[[Category: Methyl red]]
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[[Category: Ryan A]]
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[[Category: Nad]]
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[[Category: Sim E]]
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[[Category: Oxidoreductase]]
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[[Category: Wang C-J]]
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[[Category: Y131f azoreductase]]
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[[Category: Westwood I]]

Current revision

X-ray Crystallographic Structure of a Y131F mutant of Pseudomonas Aeruginosa Azoreductase in complex with Methyl RED

PDB ID 3keg

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