Term Name:	Cus cation efflux complex
Synonyms:	copper efflux complex, copper efflux system, Cus cation efflux system, silver efflux complex, silver efflux system
Definition:	Transmembrane complex that mediates resistance to copper and silver by cation efflux directly from the cell using the proton-motive force. Spans the inner membrane, periplasm, and outer membrane. Primarily activated under anaerobic conditions by CusR and CusS but also expressed under extreme copper stress, in aerobic growth.
Ontology:	GO: Cellular Component [GO:1990398]    QuickGO    AmiGO