6t15

The III2-IV(5B)1 respiratory supercomplex from S. cerevisiae

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ;

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QCR1_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–431； UniProt 27–457 Author chain L； PDBConstruct 1–431； UniProt 27–457

;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ;

OrganismNot specified

UniProt P07257

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QCR2_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–352； UniProt 17–368 Author chain M； PDBConstruct 1–352； UniProt 17–368

;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ;

OrganismNot specified

UniProt P00163

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CYB_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–385； UniProt 1–385 Author chain N； PDBConstruct 1–385； UniProt 1–385

;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ;

OrganismNot specified

UniProt P07143

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CY1_YEAST
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–248； UniProt 62–309 Author chain O； PDBConstruct 1–248； UniProt 62–309

;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ;

OrganismNot specified

UniProt P08067

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UCRI_YEAST
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain E； PDBConstruct 1–185； UniProt 31–215 Author chain P； PDBConstruct 1–185； UniProt 31–215

;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ;

OrganismNot specified

UniProt P00127

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QCR6_YEAST
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain F； PDBConstruct 1–147； UniProt 1–147 Author chain Q； PDBConstruct 1–147； UniProt 1–147

;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ;

OrganismNot specified

UniProt P00128

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QCR7_YEAST
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain G； PDBConstruct 1–127； UniProt 1–127 Author chain R； PDBConstruct 1–127； UniProt 1–127

;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ;

OrganismNot specified

UniProt P08525

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QCR8_YEAST
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain H； PDBConstruct 1–94； UniProt 1–94 Author chain S； PDBConstruct 1–94； UniProt 1–94

;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ;

OrganismNot specified

UniProt P22289

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QCR9_YEAST
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain I； PDBConstruct 1–66； UniProt 1–66 Author chain T； PDBConstruct 1–66； UniProt 1–66

;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ;

OrganismNot specified

UniProt P37299

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	QCR10_YEAST
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain J； PDBConstruct 1–77； UniProt 1–77 Author chain U； PDBConstruct 1–77； UniProt 1–77

CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1

OrganismNot specified

UniProt P00401

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX1_YEAST
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain a； PDBConstruct 1–534； UniProt 1–534

CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2

OrganismNot specified

UniProt P00410

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX2_YEAST
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain b； PDBConstruct 1–236； UniProt 16–251

CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3

OrganismNot specified

UniProt P00420

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX3_YEAST
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain c； PDBConstruct 1–269； UniProt 1–269

CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4

OrganismNot specified

UniProt P04037

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX4_YEAST
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain d； PDBConstruct 1–130； UniProt 26–155

CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B

OrganismNot specified

UniProt P00425

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX5B_YEAST
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain e； PDBConstruct 1–134； UniProt 18–151

CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6

OrganismNot specified

UniProt P00427

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX6_YEAST
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain f； PDBConstruct 1–108； UniProt 41–148

CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7

OrganismNot specified

UniProt P10174

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX7_YEAST
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain g； PDBConstruct 1–59； UniProt 2–60

Cytochrome c oxidase polypeptide VIII, mitochondrial

OrganismNot specified

UniProt P04039

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX8_YEAST
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain h； PDBConstruct 1–51； UniProt 28–78

CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9

OrganismNot specified

UniProt P07255

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX9_YEAST
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain i； PDBConstruct 1–55； UniProt 2–56

Cytochrome c oxidase subunit 6B

OrganismNot specified

UniProt Q01519

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX12_YEAST
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain j； PDBConstruct 1–82； UniProt 2–83

CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13

Saccharomyces cerevisiae S288C

UniProt P32799

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COX13_YEAST
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain k； PDBConstruct 1–120； UniProt 10–129

COX26; SYNONYM: Uncharacterized protein YDR119W-A

OrganismNot specified

UniProt Q2V2P9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） RCF2; SYNONYM: Respiratory supercomplex factor 2 × 1 （P53721） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	YD19A_YEAST
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain l； PDBConstruct 1–66； UniProt 1–66

RCF2; SYNONYM: Respiratory supercomplex factor 2

OrganismNot specified

UniProt P53721

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 33	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ; × 2 （P07256） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ; × 2 （P07257） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ; × 2 （P00163） ;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ; × 2 （P07143） ;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ; × 2 （P08067） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ; × 2 （P00127） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ; × 2 （P00128） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ; × 2 （P08525） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ; × 2 （P22289） ;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ; × 2 （P37299） CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1 × 1 （P00401） CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2 × 1 （P00410） CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3 × 1 （P00420） CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4 × 1 （P04037） CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B × 1 （P00425） CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6 × 1 （P00427） CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7 × 1 （P10174） Cytochrome c oxidase polypeptide VIII, mitochondrial × 1 （P04039） CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9 × 1 （P07255） Cytochrome c oxidase subunit 6B × 1 （Q01519） CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13 × 1 （P32799） COX26; SYNONYM: Uncharacterized protein YDR119W-A × 1 （Q2V2P9） DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 PROTOPORPHYRIN IX CONTAINING FE × 4 CARDIOLIPIN × 7 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEME C × 2 FE2/S2 (INORGANIC) CLUSTER × 2 COPPER (II) ION × 1 HEME-A × 2 MAGNESIUM ION × 1 DINUCLEAR COPPER ION × 1 ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RCF2_YEAST
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain m； PDBConstruct 1–224； UniProt 1–224

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	6t15
Deposition date deposition_date	2019-10-03
Structure title title	The III2-IV(5B)1 respiratory supercomplex from S. cerevisiae
Keywords keywords	;CYTOCHROME C OXIDASE CYTOCHROME BC1 MITOCHONDRIA RESPIRATORY CHAIN SUPERCOMPLEX, OXIDOREDUCTASE, ELECTRON TRANSPORT, OXIDOREDUCTASE-ELECTRON TRANSPORT COMPLEX ;; OXIDOREDUCTASE
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

6t15__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6t15__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6t15__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	65.37 Å
Rg (electron density)	64.60 Å
Total Rg	64.60 Å
Atom count	48966
Residues	5956
Excluded volume	884270 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6t15__assembly_1__model_1`	33-meric （33）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (34)

Entity 1 Entity 1 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ;
Molecular weight formula_weight	47459.3 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,L
Atom count atom_count	48966

AEVTQLSNGIVVATEHNPSAHTASVGVVFGSGAANENPYNNGVSNLWKNIFLSKENSAVAAKEGLALSSNISRDFQSYIVSSLPGSTDKSLDFLNQSFIQQKANLLSSSNFEATKKSVLKQVQDFEENDHPNRVLEHLHSTAFQNTPLSLPTRGTLESLENLVVADLESFANNHFLNSNAVVVGTGNIKHEDLVNSIESKNLSLQTGTKPVLKKKAAFLGSEVRLRDDTLPKAWISLAVEGEPVNSPNYFVAKLAAQIFGSYNAFEPASRLQGIKLLDNIQEYQLCDNFNHFSLSYKDSGLWGFSTATRNVTMIDDLIHFTLKQWNRLTISVTDTEVERAKSLLKLQLGQLYESGNPVNDANLLGAEVLIKGSKLSLGEAFKKIDAITVKDVKAWAGKRLWDQDIAIAGTGQIEGLLDYMRIRSDMSMMRW

Entity 2 Entity 2 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ;
Molecular weight formula_weight	38751.9 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,M

LTVSARDAPTKISTLAVKVHGGSRYATKDGVAHLLNRFNFQNTNTRSALKLVRESELLGGTFKSTLDREYITLKATFLKDDLPYYVNALADVLYKTAFKPHELTESVLPAARYDYAVAEQCPVKSAEDQLYAITFRKGLGNPLLYDGVERVSLQDIKDFADKVYTKENLEVSGENVVEADLKRFVDESLLSTLPAGKSLVSKSEPKFFLGEENRVRFIGDSVAAIGIPVNKASLAQYEVLANYLTSALSELSGLISSAKLDKFTDGGLFTLFVRDQDSAVVSSNIKKIVADLKKGKDLSPAINYTKLKNAVQNESVSSPIELNFDAVKDFKLGKFNYVAVGDVSNLPYLDEL

Entity 3 Entity 3 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ;
Molecular weight formula_weight	43686.6 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,N

MAFRKSNVYLSLVNSYIIDSPQPSSINYWWNMGSLLGLCLVIQIVTGIFMAMHYSSNIELAFSSVEHIMRDVHNGYILRYLHANGASFFFMVMFMHMAKGLYYGSYRSPRVTLWNVGVIIFILTIATAFLGYCCVYGQMSHWGATVITNLFSAIPFVGNDIVSWLWGGFSVSNPTIQRFFALHYLVPFIIAAMVIMHLMALHIHGSSNPLGITGNLDRIPMHSYFIFKDLVTVFLFMLILALFVFYSPNTLGHPDNYIPGNPLVTPASIVPEWYLLPFYAILRSIPDKLLGVITMFAAILVLLVLPFTDRSVVRGNTFKVLSKFFFFIFVFNFVLLGQIGACHVEVPYVLMGQIATFIYFAYFLIIVPVISTIENVLFYIGRVNK

Entity 4 Entity 4 polymer

Description description	;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ;
Molecular weight formula_weight	27807.4 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,O

MTAAEHGLHAPAYAWSHNGPFETFDHASIRRGYQVYREVCAACHSLDRVAWRTLVGVSHTNEEVRNMAEEFEYDDEPDEQGNPKKRPGKLSDYIPGPYPNEQAARAANQGALPPDLSLIVKARHGGCDYIFSLLTGYPDEPPAGVALPPGSNYNPYFPGGSIAMARVLFDDMVEYEDGTPATTSQMAKDVTTFLNWCAEPEHDERKRLGLKTVIILSSLYLLSIWVKKFKWAGIKTRKFVFNPPKPRK

Entity 5 Entity 5 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ;
Molecular weight formula_weight	20123.0 kDa
EC 编号 ec_number	7.1.1.8
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,P

KSTYRTPNFDDVLKENNDADKGRSYAYFMVGAMGLLSSAGAKSTVETFISSMTATADVLAMAKVEVNLAAIPLGKNVVVKWQGKPVFIRHRTPHEIQEANSVDMSALKDPQTDADRVKDPQWLIMLGICTHLGCVPIGEAGDFGGWFCPCHGSHYDISGRIRKGPAPLNLEIPAYEFDGDKVIVG

Entity 6 Entity 6 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ;
Molecular weight formula_weight	17276.1 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,Q

MGMLELVGEYWEQLKITVVPVVAAAEDDDNEQHEEKAAEGEEKEEENGDEDEDEDEDEDDDDDDDEDEEEEEEVTDQLEDLREHFKNTEEGKALVHHYEECAERVKIQQQQPGYADLEHKEDCVEEFFHLQHYLDTATAPRLFDKLK

Entity 7 Entity 7 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ;
Molecular weight formula_weight	14583.8 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,R

MPQSFTSIARIGDYILKSPVLSKLCVPVANQFINLAGYKKLGLKFDDLIAEENPIMQTALRRLPEDESYARAYRIIRAHQTELTHHLLPRNEWIKAQEDVPYLLPYILEAEAAAKEKDELDNIEVSK

Entity 8 Entity 8 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ;
Molecular weight formula_weight	10987.5 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H,S

MGPPSGKTYMGWWGHMGGPKQKGITSYAVSPYAQKPLQGIFHNAVFNSFRRFKSQFLYVLIPAGIYWYWWKNGNEYNEFLYSKAGREELERVNV

Entity 9 Entity 9 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ;
Molecular weight formula_weight	7485.3 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,T

MSFSSLYKTFFKRNAVFVGTIFAGAFVFQTVFDTAITSWYENHNKGKLWKDVKARIAAGDGDDDDE

Entity 10 Entity 10 polymer

Description description	;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ;
Molecular weight formula_weight	8602.9 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J,U

MAYTSHLSSKTGLHFGRLSLRSLTAYAPNLMLWGGASMLGLFVFTEGWPKFQDTLYKKIPLLGPTLEDHTPPEDKPN

Entity 11 Entity 11 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1
Molecular weight formula_weight	58832.6 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	a

MVQRWLYSTNAKDIAVLYFMLAIFSGMAGTAMSLIIRLELAAPGSQYLHGNSQLFNVLVVGHAVLMIFFLVMPALIGGFGNYLLPLMIGATDTAFPRINNIAFWVLPMGLVCLVTSTLVESGAGTGWTVYPPLSSIQAHSGPSVDLAIFALHLTSISSLLGAINFIVTTLNMRTNGMTMHKLPLFVWSIFITAFLLLLSLPVLSAGITMLLLDRNFNTSFFEVSGGGDPILYEHLFWFFGHPEVYILIIPGFGIISHVVSTYSKKPVFGEISMVYAMASIGLLGFLVWSHHMYIVGLDADTRAYFTSATMIIAIPTGIKIFSWLATIHGGSIRLATPMLYAIAFLFLFTMGGLTGVALANASLDVAFHDTYYVVGHFHYVLSMGAIFSLFAGYYYWSPQILGLNYNEKLAQIQFWLIFIGANVIFFPMHFLGINGMPRRIPDYPDAFAGWNYVASIGSFIATLSLFLFIYILYDQLVNGLNNKVNNKSVIYNKAPDFVESNTIFNLNTVKSSSIEFLLTSPPAVHSFNTPAVQS

Entity 12 Entity 12 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 2; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE II, COX2
Molecular weight formula_weight	26779.8 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	b

DVPTPYACYFQDSATPNQEGILELHDNIMFYLLVILGLVSWMLYTIVMTYSKNPIAYKYIKHGQTIEVIWTIFPAVILLIIAFPSFILLYLCDEVISPAMTIKAIGYQWYWKYEYSDFINDSGETVEFESYVIPDELLEEGQLRLLDTDTSMVVPVDTHIRFVVTAADVIHDFAIPSLGIKVDATPGRLNQVSALIQREGVFYGACSELCGTGHANMPIKIEAVSLPKFLEWLNEQ

Entity 13 Entity 13 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 3; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE III, COX3
Molecular weight formula_weight	30383.6 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	c

MTHLERSRHQQHPFHMVMPSPWPIVVSFALLSLALSTALTMHGYIGNMNMVYLALFVLLTSSILWFRDIVAEATYLGDHTMAVRKGINLGFLMFVLSEVLIFAGLFWAYFHSAMSPDVTLGACWPPVGIEAVQPTELPLLNTIILLSSGATVTYSHHALIAGNRNKALSGLLITFWLIVIFVTCQYIEYTNAAFTISDGVYGSVFYAGTGLHFLHMVMLAAMLGVNYWRMRNYHLTAGHHVGYETTIIYTHVLDVIWLFLYVVFYWWGV

Entity 14 Entity 14 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 4, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE IV, COX4
Molecular weight formula_weight	14188.9 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	d

QQKPVVKTAQNLAEVNGPETLIGPGAKEGTVPTDLDQETGLARLELLGKLEGIDVFDTKPLDSSRKGTMKDPIIIESYDDYRYVGCTGSPAGSHTIMWLKPTVNEVARCWECGSVYKLNPVGVPNDDHHH

Entity 15 Entity 15 polymer

Description description	CYTOCHROME C OXIDASE POLYPEPTIDE 5B, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VB, COX5B
Molecular weight formula_weight	15325.4 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	e

VQTKALSKATLTDLPERWENMPNLEQKEIADNLTERQKLPWKTLNNEEIKAAWYISYGEWGPRRPVHGKGDVAFITKGVFLGLGISFGLFGLVRLLANPETPKTMNREWQLKSDEYLKSKNANPWGGYSQVQSK

Entity 16 Entity 16 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 6, MITOCHONDRIAL; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VI, COX6
Molecular weight formula_weight	12642.0 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	f

SDAHDEETFEEFTARYEKEFDEAYDLFEVQRVLNNCFSYDLVPAPAVIEKALRAARRVNDLPTAIRVFEALKYKVENEDQYKAYLDELKDVRQELGVPLKEELFPSSS

Entity 17 Entity 17 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 7; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VII, COX7
Molecular weight formula_weight	6811.2 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	g

ANKVIQLQKIFQSSTKPLWWRHPRSALYLYPFYAIFAVAVVTPLLYIPNAIRGIKAKKA

Entity 18 Entity 18 polymer

Description description	Cytochrome c oxidase polypeptide VIII, mitochondrial
Molecular weight formula_weight	5737.7 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	h

VHFKDGVYENIPFKVKGRKTPYALSHFGFFAIGFAVPFVACYVQLKKSGAF

Entity 19 Entity 19 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 7A; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE VIIA, COX9
Molecular weight formula_weight	6471.7 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	i

TIAPITGTIKRRVIMDIVLGFSLGGVMASYWWWGFHMDKINKREKFYAELAERKK

Entity 20 Entity 20 polymer

Description description	Cytochrome c oxidase subunit 6B
Molecular weight formula_weight	9668.7 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	j

ADQENSPLHTVGFDARFPQQNQTKHCWQSYVDYHKCVNMKGEDFAPCKVFWKTYNALCPLDWIEKWDDQREKGIFAGDINSD

Entity 21 Entity 21 polymer

Description description	CYTOCHROME C OXIDASE SUBUNIT 6A, MITOCHONDRIAL; CYTOCHROME C OXIDASE POLYPEPTIDE VIA, COX13
Molecular weight formula_weight	15117.0 kDa
EC 编号 ec_number	1.9.3.1
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	k

ASSLPPNALKPAFGPPDKVAAQKFKESLMATEKHAKDTSNMWVKISVWVALPAIALTAVNTYFVEKEHAEHREHLKHVPDSEWPRDYEFMNIRSKPFFWGDGDKTLFWNPVVNRHIEHDDGARGSHHHHHH

Source Source

Source organism organism	Saccharomyces cerevisiae S288C
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae S288C

Entity 22 Entity 22 polymer

Description description	COX26; SYNONYM: Uncharacterized protein YDR119W-A
Molecular weight formula_weight	7461.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	l

MFFSQVLRSSARAAPIKRYTGGRIGESWVITEGRRLIPEIFQWSAVLSVCLGWPGAVYFFSKARKA

Entity 23 Entity 23 polymer

Description description	RCF2; SYNONYM: Respiratory supercomplex factor 2
Molecular weight formula_weight	25381.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	m

MKILTQDEIEAHRSHTLKGGIEGALAGFAISAIIFKVLPRRYPKFKPSTLTWSIKTALWITPPTVLTAICAEEASNNFDATMYGSGSSSEDALDEHRRWKSLSTKDKFVEGLSNNKYKIITGAWAASLYGSWVIVNKDPIMTKAQKIVQARMYAQFITVGLLLASVGLSMYENKLHPNKQKVNEMRRWENALRVAEEEERLEKEGRRTGYVSNEERINSKIFKS

Entity 24 Entity 24 non-polymer

Description description	DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE
Molecular weight formula_weight	692.0 kDa
Source method src_method	syn
Copy count entity_count	18

Entity 25 Entity 25 non-polymer

Description description	PROTOPORPHYRIN IX CONTAINING FE
Molecular weight formula_weight	616.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 26 Entity 26 non-polymer

Description description	CARDIOLIPIN
Molecular weight formula_weight	1464.0 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 27 Entity 27 non-polymer

Description description	1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE
Molecular weight formula_weight	734.0 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 28 Entity 28 non-polymer

Description description	HEME C
Molecular weight formula_weight	618.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 29 Entity 29 non-polymer

Description description	FE2/S2 (INORGANIC) CLUSTER
Molecular weight formula_weight	175.8 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 30 Entity 30 non-polymer

Description description	COPPER (II) ION
Molecular weight formula_weight	63.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 31 Entity 31 non-polymer

Description description	HEME-A
Molecular weight formula_weight	852.8 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 32 Entity 32 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 33 Entity 33 non-polymer

Description description	DINUCLEAR COPPER ION
Molecular weight formula_weight	127.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 34 Entity 34 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	1

▼

6. Fold Classification (SCOP + CATH) 31 domains

CATH v4.4 (31 domains)

Domain ID domain_id	6t15A01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15A02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15B01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15B02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15C00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	810 — Cytochrome Bc1 Complex; Chain C
Homologous superfamily homologous superfamily	10 — Cytochrome Bc1 Complex; Chain C

Domain ID domain_id	6t15D01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	760 — Cytochrome Bc1 Complex; Chain D, domain 2
Homologous superfamily homologous superfamily	10 — Cytochrome c-like domain

Domain ID domain_id	6t15D02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	100 — Cytochrome c1, transmembrane anchor, C-terminal

Domain ID domain_id	6t15E01
Class class	2 — Mainly Beta
Architecture architecture	102 — 3-layer Sandwich
Topology topology	10 — Rieske Iron-sulfur Protein
Homologous superfamily homologous superfamily	10 — Rieske [2Fe-2S] iron-sulphur domain

Domain ID domain_id	6t15F00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	20 — Ubiquinol-cytochrome C reductase hinge domain

Domain ID domain_id	6t15G00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1090 — Cytochrome Bc1 Complex; Chain F
Homologous superfamily homologous superfamily	10 — Cytochrome b-c1 complex subunit 7

Domain ID domain_id	6t15H00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	210 — Cytochrome b-c1 complex subunit 8

Domain ID domain_id	6t15I00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	260 — Cytochrome b-c1 complex subunit 9

Domain ID domain_id	6t15L01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15L02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15M01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15M02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

Domain ID domain_id	6t15N00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	810 — Cytochrome Bc1 Complex; Chain C
Homologous superfamily homologous superfamily	10 — Cytochrome Bc1 Complex; Chain C

Domain ID domain_id	6t15O01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	760 — Cytochrome Bc1 Complex; Chain D, domain 2
Homologous superfamily homologous superfamily	10 — Cytochrome c-like domain

Domain ID domain_id	6t15O02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	100 — Cytochrome c1, transmembrane anchor, C-terminal

Domain ID domain_id	6t15P01
Class class	2 — Mainly Beta
Architecture architecture	102 — 3-layer Sandwich
Topology topology	10 — Rieske Iron-sulfur Protein
Homologous superfamily homologous superfamily	10 — Rieske [2Fe-2S] iron-sulphur domain

Domain ID domain_id	6t15Q00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	20 — Ubiquinol-cytochrome C reductase hinge domain

Domain ID domain_id	6t15R00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1090 — Cytochrome Bc1 Complex; Chain F
Homologous superfamily homologous superfamily	10 — Cytochrome b-c1 complex subunit 7

Domain ID domain_id	6t15S00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	210 — Cytochrome b-c1 complex subunit 8

Domain ID domain_id	6t15T00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	260 — Cytochrome b-c1 complex subunit 9

Domain ID domain_id	6t15a01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	210 — Cytochrome C Oxidase; Chain A
Homologous superfamily homologous superfamily	10 — Cytochrome c oxidase-like, subunit I domain

Domain ID domain_id	6t15b01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	90 —

Domain ID domain_id	6t15b02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	420 — Cupredoxins - blue copper proteins

Domain ID domain_id	6t15c01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	70 —

Domain ID domain_id	6t15c02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	80 — Cytochrome c oxidase, subunit III, four-helix bundle

Domain ID domain_id	6t15f00
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	40 — Cytochrome c oxidase, subunit Va/VI

Domain ID domain_id	6t15h00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	49 — Cytochrome C Oxidase; Chain L
Homologous superfamily homologous superfamily	10 — Cytochrome c oxidase subunit VIIc

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	triclinic

Resolution resolution	3.29 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	73042

The III2-IV(5B)1 respiratory supercomplex from S. cerevisiae

1. Protein Identity and Related Structures Protein Identity & Related Structures

;CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 1, CORE PROTEIN I, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 1 ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2 ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 2, CORE PROTEIN II, UBIQUINOL-CYTOCHROME-C COMPLEX CORE PROTEIN 2 ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 4, COMPLEX III SUBUNIT IV, CYTOCHROME B-C1 COMPLEX SUBUNIT 4, UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CYTOCHROME C1 SUBUNIT, CYTOCHROME C-1 ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; SYNONYM: COMPLEX III SUBUNIT 5, RIESKE IRON-SULFUR PROTEIN, RISP, UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNIT ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT 6; SYNONYM: COMPLEX III SUBUNIT 6,COMPLEX III SUBUNIT VI,CYTOCHROME C1 NON-HEME 17 KDA PROTEIN,MITOCHONDRIAL HINGE PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KDA PROTEIN ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT 7; SYNONYM: COMPLEX III SUBUNIT 7,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE C REDUCTASE COMPLEX 14 KDA PROTEIN ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT 8; SYNONYM: COMPLEX III SUBUNIT 8,COMPLEX III SUBUNIT VII,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN,UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-C ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT 9; SYNONYM: COMPLEX III SUBUNIT 9, COMPLEX III SUBUNIT X, CYTOCHROME C1 NON-HEME 7.3 KDA PROTEIN, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KDA PROTEIN ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;CYTOCHROME B-C1 COMPLEX SUBUNIT 10; SYNONYM: COMPLEX III SUBUNIT 10,COMPLEX III SUBUNIT XI, UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 8.5 KDA PROTEIN ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer