9w2z

Cryo-EM structure of complex IV on the bovine heart submitochondrial particles, IV-A

Method: ELECTRON MICROSCOPY Dmax: 128.3 Å Quality: GOOD

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

Cytochrome c oxidase subunit 1

Bos taurus

UniProt P00396

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain A; UniProt 1–514 Non-standard monomer:Yes (specific site not provided by mmCIF) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX1_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–514; UniProt 1–514

Cytochrome c oxidase subunit 2

Bos taurus

UniProt P68553

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain B; UniProt 2–227 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name COX2_BOSIN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–226; UniProt 2–227

Cytochrome c oxidase subunit 3

Bos taurus

UniProt P00415

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain C; UniProt 4–259 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

90 other PDB entries and 132 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX3_BOVIN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–256; UniProt 4–259

Cytochrome c oxidase subunit 4 isoform 1, mitochondrial

Bos taurus

UniProt P00423

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain D; UniProt 33–168 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX41_BOVIN
Isoform
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 1–136; UniProt 33–168

Cytochrome c oxidase subunit 5A, mitochondrial

Bos taurus

UniProt P00426

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain E; UniProt 50–151 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX5A_BOVIN
Isoform
PDB entities 5
Chains and sequence ranges Author chain E; PDBConstruct 1–102; UniProt 50–151

Cytochrome c oxidase subunit 5B, mitochondrial

Bos taurus

UniProt P00428

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain F; UniProt 34–124 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX5B_BOVIN
Isoform
PDB entities 6
Chains and sequence ranges Author chain F; PDBConstruct 1–91; UniProt 34–124

Cytochrome c oxidase subunit 6A2, mitochondrial

Bos taurus

UniProt P07471

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain G; UniProt 24–95 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CX6A2_BOVIN
Isoform
PDB entities 7
Chains and sequence ranges Author chain G; PDBConstruct 1–72; UniProt 24–95

Cytochrome c oxidase subunit 6B1

Bos taurus

UniProt P00429

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain H; UniProt 6–86 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CX6B1_BOVIN
Isoform
PDB entities 8
Chains and sequence ranges Author chain H; PDBConstruct 1–81; UniProt 6–86

Cytochrome c oxidase subunit 6C

Bos taurus

UniProt P04038

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain I; UniProt 4–73 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX6C_BOVIN
Isoform
PDB entities 9
Chains and sequence ranges Author chain I; PDBConstruct 1–70; UniProt 4–73

Cytochrome c oxidase subunit 7A1, mitochondrial

Bos taurus

UniProt P07470

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain J; UniProt 22–76 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CX7A1_BOVIN
Isoform
PDB entities 10
Chains and sequence ranges Author chain J; PDBConstruct 1–55; UniProt 22–76

Cytochrome c oxidase subunit 7B, mitochondrial

Bos taurus

UniProt P13183

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain K; UniProt 30–78 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX7B_BOVIN
Isoform
PDB entities 11
Chains and sequence ranges Author chain K; PDBConstruct 1–49; UniProt 30–78

Cytochrome c oxidase subunit 7C, mitochondrial

Bos taurus

UniProt P00430

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain L; UniProt 19–62 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

91 other PDB entries and 133 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX7C_BOVIN
Isoform
PDB entities 12
Chains and sequence ranges Author chain L; PDBConstruct 1–44; UniProt 19–62

Cytochrome c oxidase subunit 8B, mitochondrial

Bos taurus

UniProt P10175

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain M; UniProt 25–64 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit NDUFA4 × 1 (Q01321) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

90 other PDB entries and 132 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COX8B_BOVIN
Isoform
PDB entities 13
Chains and sequence ranges Author chain M; PDBConstruct 1–40; UniProt 25–64

Cytochrome c oxidase subunit NDUFA4

Bos taurus

UniProt Q01321

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: 14-meric(14) Consistent with protein copy count Chain N; UniProt 2–82 Not recorded Cytochrome c oxidase subunit 1 × 1 (P00396) Cytochrome c oxidase subunit 2 × 1 (P68553) Cytochrome c oxidase subunit 3 × 1 (P00415) Cytochrome c oxidase subunit 4 isoform 1, mitochondrial × 1 (P00423) Cytochrome c oxidase subunit 5A, mitochondrial × 1 (P00426) Cytochrome c oxidase subunit 5B, mitochondrial × 1 (P00428) Cytochrome c oxidase subunit 6A2, mitochondrial × 1 (P07471) Cytochrome c oxidase subunit 6B1 × 1 (P00429) Cytochrome c oxidase subunit 6C × 1 (P04038) Cytochrome c oxidase subunit 7A1, mitochondrial × 1 (P07470) Cytochrome c oxidase subunit 7B, mitochondrial × 1 (P13183) Cytochrome c oxidase subunit 7C, mitochondrial × 1 (P00430) Cytochrome c oxidase subunit 8B, mitochondrial × 1 (P10175) HEA HEME-A × 2 CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 PER PEROXIDE ION × 1 PGV (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 2 CUA DINUCLEAR COPPER ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 1 PEK (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.61 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name NDUA4_BOVIN
Isoform
PDB entities 14
Chains and sequence ranges Author chain N; PDBConstruct 1–81; UniProt 2–82

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.

SAXS scattering curve SAXS Profile

SAXS profile for 9w2z

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9w2z
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9w2z
Deposition date deposition_date2025-07-28
Structure title titleCryo-EM structure of complex IV on the bovine heart submitochondrial particles, IV-A
Keywords keywordsrespiratory chain complex, supercomplex, submitochondrial particles, MOTOR PROTEIN, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier39.78
Radius of gyration Rg (electron density) rg_electron38.60
Forward intensity I(0) i0577450000.00
Molecular weight molecular_weight210140.0 kDa
Excluded volume excluded_volume267980 ų
Envelope volume envelope_volume341990 ų
Hydration-shell volume shell_volume70927 ų
Envelope diameter envelope_diameter137.0
Shell Rg shell_rg46.36
Envelope Rg envelope_rg38.68
Shape Rg shape_rg38.60
Total Rg total_rg39.07
Total atoms total_atoms14825
Residues n_residues1816
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax128.3
Rg (real space) rg_real39.62
Rg uncertainty (real space) rg_real_error0.89
I(0) (real space) i0_real5.7740e+08
I(0) uncertainty (real space) i0_real_error8.8700e+06
Rg (reciprocal space) rg_reciprocal39.72
I(0) (reciprocal space) i0_reciprocal577500000.0000
Solution quality estimate total_estimate0.8928
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary48.1
Skewness Skewness skewness0.242
Kurtosis Kurtosis kurtosis-0.433
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha119700000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.899; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.909

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (23)

8. Citations (1)

9. Files and Curves (10)