Term Name:	cytochrome bo3 ubiquinol oxidase activity
Synonyms:	cytochrome bo oxidase, cytochrome bo(3) oxidase, cytochrome o ubiquinol oxidase activity
Definition:	Catalysis of the reaction: 2 ubiquinol + O2 + 4 H+ = 2 ubiquinone + 2 H2O + 4 H+ [periplasmic space].
Ontology:	GO: Molecular Function [GO:0009486]    QuickGO    AmiGO