G protein-coupled peptide receptor activity
Combining with a peptide 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:tb GOC:dph ]
Synonyms: G-protein coupled peptide receptor activity, G protein coupled peptide receptor activity, peptide receptor activity, G-protein coupled, peptide receptor activity, G protein coupled