2fjs

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[[Image:2fjs.png|left|200px]]
 
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{{STRUCTURE_2fjs| PDB=2fjs | SCENE= }}
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==Crystal Structure of Anaerobically Reduced Wild Type Nitrite Reductase from A. faecalis==
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<StructureSection load='2fjs' size='340' side='right'caption='[[2fjs]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2fjs]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Alcaligenes_faecalis Alcaligenes faecalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FJS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2FJS 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]] 1.85&#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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene>, <scene name='pdbligand=CU1:COPPER+(I)+ION'>CU1</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</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=2fjs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fjs OCA], [https://pdbe.org/2fjs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2fjs RCSB], [https://www.ebi.ac.uk/pdbsum/2fjs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2fjs ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NIR_ALCFA NIR_ALCFA]
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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/fj/2fjs_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=2fjs 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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Copper-containing nitrite reductase harbors a type-1 and a type-2 Cu site. The former acts as the electron acceptor site of the enzyme, and the latter is the site of catalytic action. The effect of the methionine ligand on the reorganization energy of the type-1 site was explored by studying the electron-transfer kinetics between NiR (wild type (wt) and the variants Met150Gly and Met150Thr) with Fe(II)EDTA and Fe(II)HEDTA. The mutations increased the reorganization energy by 0.3 eV (30 kJ mol-1). A similar increase was found from pulse radiolysis experiments on the wt NIR and three variants (Met150Gly, Met150His, and Met150Thr). Binding of the nearby Met62 to the type-1 Cu site in Met150Gly (under influence of an allosteric effector) lowered the reorganization energy back to approximately the wt value. According to XRD data the structure of the reduced type-1 site in Met150Gly NiR in the presence of an allosteric effector is similar to that in the reduced wt NiR (solved to 1.85 A), compatible with the similarity in reorganization energy.
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===Crystal Structure of Anaerobically Reduced Wild Type Nitrite Reductase from A. faecalis===
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Effect of the methionine ligand on the reorganization energy of the type-1 copper site of nitrite reductase.,Wijma HJ, MacPherson I, Farver O, Tocheva EI, Pecht I, Verbeet MP, Murphy ME, Canters GW J Am Chem Soc. 2007 Jan 24;129(3):519-25. PMID:17227014<ref>PMID:17227014</ref>
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{{ABSTRACT_PUBMED_17227014}}
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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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==About this Structure==
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<div class="pdbe-citations 2fjs" style="background-color:#fffaf0;"></div>
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[[2fjs]] is a 3 chain structure of [[Nitric reductase]] with sequence from [http://en.wikipedia.org/wiki/Alcaligenes_faecalis Alcaligenes faecalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FJS OCA].
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==See Also==
==See Also==
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*[[Nitric reductase|Nitric reductase]]
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*[[Nitrite reductase 3D structures|Nitrite reductase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:017227014</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Alcaligenes faecalis]]
[[Category: Alcaligenes faecalis]]
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[[Category: Murphy, M E.P.]]
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[[Category: Large Structures]]
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[[Category: Tocheva, E I.]]
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[[Category: Murphy MEP]]
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[[Category: Blue copper protein]]
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[[Category: Tocheva EI]]
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[[Category: Cupredoxin fold]]
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[[Category: Oxidoreductase]]
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Current revision

Crystal Structure of Anaerobically Reduced Wild Type Nitrite Reductase from A. faecalis

PDB ID 2fjs

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