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PDBe Entry: 1ntm view

Crystal Structure of Mitochondrial Cytochrome bc1 Complex at 2.4 Angstrom
Summary
Header OXIDOREDUCTASEsearch
Method X-RAY DIFFRACTION
Experiment Resolution: 2.4 Å, R-factor: 23.8%, Free R-factor: 28.5%, Spacegroup: I 41 2 2
Released 07/10/2003, deposition: 30/01/2003, last revision: 24/02/2009
Authors Gao, X.search; Wen, X.search; Esser, L.search; Quinn, B.search; Yu, L.search; Yu, C.search; Xia, D.search
Primary citation Structural basis for the quinone reduction in the bc(1) complex: a comparative analysis of crystal structures of mitochondrial cytochrome bc(1) with bound substrate and inhibitors at the Q(i) site
BIOCHEMISTRYsearch vol:42, pag:9067-9080 (2003) [PubMed ID 12885240 ]search
Keywords BC1search, QCRsearch, MEMBRANE PROTEINsearch, PROTON TRANSLOCATIONsearch, ELECTRON TRANSFERsearch, PROTEASEsearch, MPPsearch, MITOCHONDRIAL PROCESSING PEPTIDASEsearch, STRUCTUREsearch, CYTOCHROME C1search, CYTOCHROME Bsearch, RIESKEsearch, IRON SULFUR PROTEINsearch, OXIDOREDUCTASEsearch
EC 1.10.2.2 ExPASy BRENDA search (E I)
Organism Bos taurus(cattle) 9913search(A B C D E F G H I J K)
UniProt Cytochrome b-c1 complex subunit 1, mitochondrial precursor (Ubiquinol-cytochrome-c reductase complex core protein 1) (Core protein I) (Complex III subunit 1) P31800search (A)
Cytochrome b-c1 complex subunit 2, mitochondrial precursor (Ubiquinol-cytochrome-c reductase complex core protein 2) (Core protein II) (Complex III subunit 2) P23004search (B)
Cytochrome b (Ubiquinol-cytochrome-c reductase complex cytochrome b subunit) (Cytochrome b-c1 complex subunit 3) (Complex III subunit 3) (Complex III subunit III) P00157search (C)
Cytochrome c1, heme protein, mitochondrial precursor (Ubiquinol-cytochrome-c reductase complex cytochrome c1 subunit) (Cytochrome c-1) (Cytochrome b-c1 complex subunit 4) (Complex III subunit 4) (Complex III subunit IV) P00125search (D)
Cytochrome b-c1 complex subunit Rieske, mitochondrial precursor (EC 1.10.2.2) (Ubiquinol-cytochrome c reductase iron-sulfur subunit) (Rieske iron-sulfur protein) (RISP) (Complex III subunit 5) [Contains: Cytochrome b-c1 complex subunit 11 (Ubiquinol-cytochrome c reductase 8 kDa protein) (Complex III subunit IX)] P13272search (E I)
Cytochrome b-c1 complex subunit 7 (Ubiquinol-cytochrome c reductase complex 14 kDa protein) (Complex III subunit 7) (Complex III subunit VII) (QP-C) P00129search (F)
Cytochrome b-c1 complex subunit 8 (Ubiquinol-cytochrome c reductase complex ubiquinone-binding protein QP-C) (Ubiquinol-cytochrome c reductase complex 9.5 kDa protein) (Complex III subunit VII) (Complex III subunit 8) P13271search (G)
Cytochrome b-c1 complex subunit 6, mitochondrial precursor (Ubiquinol-cytochrome c reductase complex 11 kDa protein) (Cytochrome c1 non-heme 11 kDa protein) (Mitochondrial hinge protein) (Complex III subunit VIII) (Complex III subunit 6) P00126search (H)
Cytochrome b-c1 complex subunit 9 (Ubiquinol-cytochrome c reductase complex 7.2 kDa protein) (Cytochrome c1 non-heme 7 kDa protein) (Complex III subunit X) (Complex III subunit 9) P00130search (J)
Cytochrome b-c1 complex subunit 10 (Ubiquinol-cytochrome c reductase complex 6.4 kDa protein) (Complex III subunit XI) (Complex III subunit 10) P07552search (K)
Solvent A, B, C, D, E, F, G, H, I, J, K
Polymers
Id Name Type UniProt Residues Observed
A Ubiquinol-cytochrome C reductase complex core protein I, mitochondrial Protein P31800 (QCR1_BOVIN)search
446 100%
B Ubiquinol-cytochrome C reductase complex core protein 2, mitochondrial Protein P23004 (QCR2_BOVIN)search
439 96%
C Cytochrome b Protein P00157 (CYB_BOVIN)search
379 99%
D cytochrome c1 Protein P00125 (CY1_BOVIN)search
241 100%
E UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT, mitochondrial Protein P13272 (UCRI_BOVIN)search
196 100%
F Ubiquinol-cytochrome C reductase complex 14 kDa protein Protein P00129 (QCR7_BOVIN)search
110 95%
G Ubiquinol-cytochrome C reductase complex ubiquinone-binding protein QP-C Protein P13271 (QCR8_BOVIN)search
81 92%
H Ubiquinol-cytochrome C reductase complex 11 kDa protein Protein P00126 (QCR6_BOVIN)search
78 85%
I Ubiquinol-cytochrome C reductase 8 kDa protein Protein P13272 (UCRI_BOVIN)search
57 100%
J Ubiquinol-cytochrome C reductase complex 7.2 kDa protein Protein P00130 (QCR9_BOVIN)search
62 96%
K Ubiquinol-cytochrome C reductase complex 6.4 kDa protein Protein P07552 (QCR10_BOVIN)search
56 91%
Heterogens
Id Name Ligands
C, D PROTOPORPHYRIN IX CONTAINING FE HEM search
E FE2/S2 (INORGANIC) CLUSTER FES search
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