1oco

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[[Image:1oco.gif|left|200px]]
 
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==BOVINE HEART CYTOCHROME C OXIDASE IN CARBON MONOXIDE-BOUND STATE==
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The line below this paragraph, containing "STRUCTURE_1oco", creates the "Structure Box" on the page.
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<StructureSection load='1oco' size='340' side='right'caption='[[1oco]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1oco]] is a 20 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. The May 2000 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Cytochrome c Oxidase'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2000_5 10.2210/rcsb_pdb/mom_2000_5]. The December 2002 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Cytochrome c'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2002_12 10.2210/rcsb_pdb/mom_2002_12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OCO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OCO 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]] 2.8&#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=CMO:CARBON+MONOXIDE'>CMO</scene>, <scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene>, <scene name='pdbligand=HEA:HEME-A'>HEA</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_1oco| PDB=1oco | SCENE= }}
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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=1oco FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oco OCA], [https://pdbe.org/1oco PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1oco RCSB], [https://www.ebi.ac.uk/pdbsum/1oco PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1oco ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/COX3_BOVIN COX3_BOVIN] Subunits I, II and III form the functional core of the enzyme complex.
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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/oc/1oco_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=1oco ConSurf].
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<div style="clear:both"></div>
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'''BOVINE HEART CYTOCHROME C OXIDASE IN CARBON MONOXIDE-BOUND STATE'''
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==See Also==
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*[[Cytochrome c oxidase 3D structures|Cytochrome c oxidase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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Crystal structures of bovine heart cytochrome c oxidase in the fully oxidized, fully reduced, azide-bound, and carbon monoxide-bound states were determined at 2.30, 2.35, 2.9, and 2.8 angstrom resolution, respectively. An aspartate residue apart from the O2 reduction site exchanges its effective accessibility to the matrix aqueous phase for one to the cytosolic phase concomitantly with a significant decrease in the pK of its carboxyl group, on reduction of the metal sites. The movement indicates the aspartate as the proton pumping site. A tyrosine acidified by a covalently linked imidazole nitrogen is a possible proton donor for the O2 reduction by the enzyme.
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==About this Structure==
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1OCO is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. The following pages contain interesting information on the relation of 1OCO with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb5_1.html Cytochrome c Oxidase]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OCO OCA].
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==Reference==
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Redox-coupled crystal structural changes in bovine heart cytochrome c oxidase., Yoshikawa S, Shinzawa-Itoh K, Nakashima R, Yaono R, Yamashita E, Inoue N, Yao M, Fei MJ, Libeu CP, Mizushima T, Yamaguchi H, Tomizaki T, Tsukihara T, Science. 1998 Jun 12;280(5370):1723-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9624044 9624044]
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[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Cytochrome c]]
[[Category: Cytochrome c]]
[[Category: Cytochrome c Oxidase]]
[[Category: Cytochrome c Oxidase]]
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[[Category: Cytochrome-c oxidase]]
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[[Category: Large Structures]]
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[[Category: Protein complex]]
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[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Tsukihara, T.]]
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[[Category: Tsukihara T]]
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[[Category: Yao, M.]]
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[[Category: Yao M]]
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[[Category: Carbon monoxide-bound]]
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[[Category: Cytochrome c oxidase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 03:40:24 2008''
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Current revision

BOVINE HEART CYTOCHROME C OXIDASE IN CARBON MONOXIDE-BOUND STATE

PDB ID 1oco

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