UniProt functional annotation for A0R056

UniProt code: A0R056.

Organism: Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (Mycobacterium smegmatis).
Taxonomy: Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae; Mycolicibacterium.
 
Function: Part of cytochrome c oxidase, its function is unknown. {ECO:0000256|ARBA:ARBA00002536, ECO:0000256|PIRNR:PIRNR017385}.
 
Catalytic activity: Reaction=4 [Fe(II)cytochrome c] + 4 H(+) + O2 = 4 [Fe(III)cytochrome c] + 2 H2O; Xref=Rhea:RHEA:11436, Rhea:RHEA-COMP:10350, Rhea:RHEA- COMP:14399, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:29033, ChEBI:CHEBI:29034; EC=7.1.1.9; Evidence={ECO:0000256|ARBA:ARBA00000342, ECO:0000256|PIRNR:PIRNR017385};
Subunit: Associates with subunits I, II and III to form cytochrome c oxidase. {ECO:0000256|ARBA:ARBA00011451, ECO:0000256|PIRNR:PIRNR017385}.
Subcellular location: Cell membrane {ECO:0000256|ARBA:ARBA00004651, ECO:0000256|PIRNR:PIRNR017385}; Multi-pass membrane protein {ECO:0000256|ARBA:ARBA00004651}. Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
Similarity: Belongs to the cytochrome c oxidase bacterial subunit CtaF family. {ECO:0000256|ARBA:ARBA00006870, ECO:0000256|PIRNR:PIRNR017385}.

Annotations taken from UniProtKB at the EBI.