2cb2

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[[Image:2cb2.png|left|200px]]
 
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{{STRUCTURE_2cb2| PDB=2cb2 | SCENE= }}
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==Sulfur Oxygenase Reductase from Acidianus Ambivalens==
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<StructureSection load='2cb2' size='340' side='right'caption='[[2cb2]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2cb2]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Acidianus_ambivalens Acidianus ambivalens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CB2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CB2 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]] 1.7&#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=CSS:S-MERCAPTOCYSTEINE'>CSS</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</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=2cb2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cb2 OCA], [https://pdbe.org/2cb2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2cb2 RCSB], [https://www.ebi.ac.uk/pdbsum/2cb2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2cb2 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/SOR_ACIAM SOR_ACIAM] Catalyzes the simultaneous oxidation and reduction of elemental sulfur in the presence of oxygen, with sulfite and hydrogen sulfide as products.<ref>PMID:15030315</ref>
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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/cb/2cb2_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=2cb2 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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Numerous microorganisms oxidize sulfur for energy conservation and contribute to the global biogeochemical sulfur cycle. We have determined the 1.7 angstrom-resolution structure of the sulfur oxygenase reductase from the thermoacidophilic archaeon Acidianus ambivalens, which catalyzes an oxygen-dependent disproportionation of elemental sulfur. Twenty-four monomers form a large hollow sphere enclosing a positively charged nanocompartment. Apolar channels provide access for linear sulfur species. A cysteine persulfide and a low-potential mononuclear non-heme iron site ligated by a 2-His-1-carboxylate facial triad in a pocket of each subunit constitute the active sites, accessible from the inside of the sphere. The iron is likely the site of both sulfur oxidation and sulfur reduction.
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===SULFUR OXYGENASE REDUCTASE FROM ACIDIANUS AMBIVALENS===
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X-ray Structure of a self-compartmentalizing sulfur cycle metalloenzyme.,Urich T, Gomes CM, Kletzin A, Frazao C Science. 2006 Feb 17;311(5763):996-1000. PMID:16484493<ref>PMID:16484493</ref>
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{{ABSTRACT_PUBMED_16484493}}
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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 2cb2" style="background-color:#fffaf0;"></div>
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[[2cb2]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Acidianus_ambivalens Acidianus ambivalens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CB2 OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:016484493</ref><ref group="xtra">PMID:015698962</ref><ref group="xtra">PMID:001522063</ref><references group="xtra"/>
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</StructureSection>
[[Category: Acidianus ambivalens]]
[[Category: Acidianus ambivalens]]
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[[Category: Frazao, C.]]
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[[Category: Large Structures]]
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[[Category: Gomes, C M.]]
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[[Category: Frazao C]]
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[[Category: Kletzin, A.]]
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[[Category: Gomes CM]]
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[[Category: Urich, T.]]
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[[Category: Kletzin A]]
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[[Category: 2-his-1- carboxylate facial triad]]
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[[Category: Urich T]]
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[[Category: Acidophilic]]
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[[Category: Archaea]]
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[[Category: Biogeochemical sulfur cycle]]
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[[Category: Compartmentalization]]
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[[Category: Cysteine persulphide]]
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[[Category: Extremophile]]
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[[Category: Icosatetramer]]
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[[Category: Metal-binding]]
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[[Category: Mononuclear non-heme iron]]
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[[Category: Nano-structure]]
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[[Category: Oxidoreductase]]
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[[Category: Proto- organelle]]
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[[Category: Sulfur oxygenase reductase]]
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[[Category: Thermophilic]]
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Current revision

Sulfur Oxygenase Reductase from Acidianus Ambivalens

PDB ID 2cb2

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