GO:0004965

G-protein coupled GABA receptor activity

Details: 
Combining with the amino acid gamma-aminobutyric acid (GABA, 4-aminobutyrate) 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:ai, GOC:bf, IUPHAR_RECEPTOR:1276, Wikipedia:GABAB_receptor]
Evidence Code: 
ISS