Term Name:	Gi/o-coupled serotonin receptor activity
Synonyms:	5-HT1 receptor activity, serotonin receptor activity, coupled via Gi/o
Definition:	Combining with serotonin and transmitting the signal across the membrane by activation of the Gi/o subunit of an associated cytoplasmic heterotrimeric G protein complex. The Gi/o subunit subsequently inhibits adenylate cyclase and results in a decrease in cyclic AMP (cAMP) levels.
Ontology:	GO: Molecular Function [GO:0001586]    QuickGO    AmiGO