Predicted to enable G protein-coupled serotonin receptor activity and neurotransmitter receptor activity. Predicted to be involved in G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger and chemical synaptic transmission. Located in membrane. Expressed in egg-laying apparatus and pharyngeal neurons. Human ortholog(s) of this gene implicated in alcohol use disorder. Is an ortholog of human HTR7 (5-hydroxytryptamine receptor 7).