G protein-coupled acetylcholine receptor activity
Combining with acetylcholine and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex. [ GOC:mah GOC:fj GOC:bf ]
Synonyms: acetylcholine receptor activity, G-protein coupled, G protein coupled acetylcholine receptor activity, metabotropic acetylcholine receptor activity, G-protein coupled acetylcholine receptor activity, muscarinic acetylcholine receptor activity