3bcc

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[[Image:3bcc.png|left|200px]]
 
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==STIGMATELLIN AND ANTIMYCIN BOUND CYTOCHROME BC1 COMPLEX FROM CHICKEN==
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The line below this paragraph, containing "STRUCTURE_3bcc", creates the "Structure Box" on the page.
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<StructureSection load='3bcc' size='340' side='right'caption='[[3bcc]], [[Resolution|resolution]] 3.70&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'>[[3bcc]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BCC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3BCC FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 3.7&#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=AMY:ANTIMYCIN'>AMY</scene>, <scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=SIG:STIGMATELLIN'>SIG</scene></td></tr>
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{{STRUCTURE_3bcc| PDB=3bcc | 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=3bcc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bcc OCA], [https://pdbe.org/3bcc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3bcc RCSB], [https://www.ebi.ac.uk/pdbsum/3bcc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3bcc ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/QCR1_BOVIN QCR1_BOVIN] This is a component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex), which is part of the mitochondrial respiratory chain. This protein may mediate formation of the complex between cytochromes c and c1.
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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/bc/3bcc_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=3bcc 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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The cytochrome bc1 is one of the three major respiratory enzyme complexes residing in the inner mitochondrial membrane. Cytochrome bc1 transfers electrons from ubiquinol to cytochrome c and uses the energy thus released to form an electrochemical gradient across the inner membrane. Our X-ray crystal structures of the complex from chicken, cow and rabbit in both the presence and absence of inhibitors of quinone oxidation, reveal two different locations for the extrinsic domain of one component of the enzyme, an iron-sulphur protein. One location is close enough to the supposed quinol oxidation site to allow reduction of the Fe-S protein by ubiquinol. The other site is close enough to cytochrome c1 to allow oxidation of the Fe-S protein by the cytochrome. As neither location will allow both reactions to proceed at a suitable rate, the reaction mechanism must involve movement of the extrinsic domain of the Fe-S component in order to shuttle electrons from ubiquinol to cytochrome c1. Such a mechanism has not previously been observed in redox protein complexes.
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===STIGMATELLIN AND ANTIMYCIN BOUND CYTOCHROME BC1 COMPLEX FROM CHICKEN===
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Electron transfer by domain movement in cytochrome bc1.,Zhang Z, Huang L, Shulmeister VM, Chi YI, Kim KK, Hung LW, Crofts AR, Berry EA, Kim SH Nature. 1998 Apr 16;392(6677):677-84. PMID:9565029<ref>PMID:9565029</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 3bcc" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_9565029}}, adds the Publication Abstract to the page
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*[[Cytochrome C 3D structures|Cytochrome C 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 9565029 is the PubMed ID number.
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*[[Cytochrome bc1 3D structures|Cytochrome bc1 3D structures]]
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== References ==
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{{ABSTRACT_PUBMED_9565029}}
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<references/>
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__TOC__
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==About this Structure==
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</StructureSection>
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[[3bcc]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BCC OCA].
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==Reference==
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<ref group="xtra">PMID:9565029</ref><references group="xtra"/>
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[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
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[[Category: Ubiquinol--cytochrome-c reductase]]
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[[Category: Large Structures]]
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[[Category: Berry, E A.]]
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[[Category: Berry EA]]
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[[Category: Chi, Y I.]]
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[[Category: Chi Y-I]]
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[[Category: Crofts, A R.]]
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[[Category: Crofts AR]]
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[[Category: Huang, L.]]
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[[Category: Huang L]]
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[[Category: Hung, L W.]]
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[[Category: Hung L-W]]
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[[Category: Kim, K K.]]
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[[Category: Kim KK]]
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[[Category: Kim, S H.]]
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[[Category: Kim S-H]]
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[[Category: Shulmeister, V M.]]
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[[Category: Shulmeister VM]]
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[[Category: Zhang, Z.]]
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[[Category: Zhang Z]]

Current revision

STIGMATELLIN AND ANTIMYCIN BOUND CYTOCHROME BC1 COMPLEX FROM CHICKEN

PDB ID 3bcc

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