UniProt functional annotation for Q03736

UniProt code: Q03736.

Organism: Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides).
Taxonomy: Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales; Rhodobacteraceae; Rhodobacter.
Function: Subunits I and II form the functional core of the enzyme complex. Electrons originating in cytochrome c are transferred via heme a and Cu(A) to the binuclear center formed by heme a3 and Cu(B).
Catalytic activity: 4 ferrocytochrome c + O(2) + 4 H(+) = 4 ferricytochrome c + 2 H(2)O.
Cofactor: Name=Cu cation; Xref=ChEBI:CHEBI:23378; Note=Binds a copper A center.;
Subcellular location: Cell membrane; Multi-pass membrane protein.
Similarity: Belongs to the cytochrome c oxidase subunit 2 family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.