Structure analysis

Bovine heart cytochrome C oxidase modified by DCCD

X-ray diffraction
2.2Å resolution
Source organism: Bos taurus
Assembly composition:
hetero 26-mer (preferred)
Entry contents: 13 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 26-mer
Accessible surface area: 109715.52 Å2
Buried surface area: 173701.85 Å2
Dissociation area: 4,984.83 Å2
Dissociation energy (ΔGdiss): 55.74 kcal/mol
Dissociation entropy (TΔSdiss): 25.49 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-132470

Macromolecules

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Chains: D, Q
Length: 147 amino acids
Theoretical weight: 17.18 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00423 (Residues: 23-169; Coverage: 87%)
Gene names: COX4, COX4I1
Pfam: Cytochrome c oxidase subunit IV
InterPro:
CATH: Cytochrome c oxidase subunit IV
SCOP: Mitochondrial cytochrome c oxidase subunit IV

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Chains: E, R
Length: 109 amino acids
Theoretical weight: 12.45 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00426 (Residues: 44-152; Coverage: 72%)
Gene name: COX5A
Pfam: Cytochrome c oxidase subunit Va
InterPro:
CATH: Cytochrome c oxidase, subunit Va/VI
SCOP: Cytochrome c oxidase subunit E

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Chains: F, S
Length: 98 amino acids
Theoretical weight: 10.68 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00428 (Residues: 32-129; Coverage: 76%)
Gene name: COX5B
Pfam: Cytochrome c oxidase subunit Vb
InterPro:
CATH: Cytochrome c oxidase, subunit Vb
SCOP: Cytochrome c oxidase Subunit F

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Chains: H, U
Length: 85 amino acids
Theoretical weight: 10.04 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00429 (Residues: 2-86; Coverage: 99%)
Gene names: COX6B, COX6B1
Pfam: Cytochrome oxidase c subunit VIb
InterPro:
CATH: Cytochrome c oxidase, subunit VIb
SCOP: Cytochrome c oxidase subunit h

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