Multiple Assemblies exist for SMTL entry 3mk7
The structure of CBB3 cytochrome oxidase; X-RAY DIFFRACTION 3.20 Å

SMTL ID
3mk7.1
Ligands
PROTOPORPHYRIN IX CONTAINING FE; COPPER (II) ION; CALCIUM ION; HYDROGEN PEROXIDE; PHOSPHATE ION; HEME C; HEXACYANOFERRATE(3-)
Polypeptides
Cytochrome c oxidase, cbb3-type, subunit N; Cytochrome c oxidase, cbb3-type, subunit O; Cytochrome c oxidase, cbb3-type, subunit P; 30-mer peptide
Oligo-state
hetero-1-1-1-1-mer
SMTL ID
3mk7.2
Ligands
PROTOPORPHYRIN IX CONTAINING FE; COPPER (II) ION; CALCIUM ION; PHOSPHATE ION; HYDROGEN PEROXIDE; HEME C; HEXACYANOFERRATE(3-)
Polypeptides
Cytochrome c oxidase, cbb3-type, subunit N; Cytochrome c oxidase, cbb3-type, subunit O; Cytochrome c oxidase, cbb3-type, subunit P; 30-mer peptide
Oligo-state
hetero-1-1-1-1-mer
SMTL ID
3mk7.3
Ligands
PROTOPORPHYRIN IX CONTAINING FE; COPPER (II) ION; CALCIUM ION; HYDROGEN PEROXIDE; PHOSPHATE ION; HEME C; HEXACYANOFERRATE(3-)
Polypeptides
Cytochrome c oxidase, cbb3-type, subunit N; Cytochrome c oxidase, cbb3-type, subunit O; Cytochrome c oxidase, cbb3-type, subunit P; 30-mer peptide
Oligo-state
hetero-1-1-1-1-mer
SMTL ID
3mk7.4
Ligands
PROTOPORPHYRIN IX CONTAINING FE; COPPER (II) ION; CALCIUM ION; PHOSPHATE ION; HYDROGEN PEROXIDE; HEME C; HEXACYANOFERRATE(3-)
Polypeptides
Cytochrome c oxidase, cbb3-type, subunit N; Cytochrome c oxidase, cbb3-type, subunit O; Cytochrome c oxidase, cbb3-type, subunit P; 30-mer peptide
Oligo-state
hetero-1-1-1-1-mer