Term Name:	cholecystokinin receptor activity
Synonyms:	CCK receptor activity
Definition:	Combining with cholecystokinin and transmitting the signal across the membrane by activating an associated G-protein to initiate a change in cell activity. Cholecystokinin can act as a neuropeptide or as a gastrointestinal hormone.
Ontology:	GO: Molecular Function [GO:0004951]    QuickGO    AmiGO