Receptor for the hormone galanin (PubMed:24517231). Receptor for the hormones spexin-1 and spexin-2 (PubMed:24517231, PubMed:31474838). Expressed in neurons in the ventral area of the interpeduncular nucleus (IPN) where expression often overlaps with spx1. In embryos, expressed at low levels in a restricted area of the brain that includes the subpallium. Belongs to the G-protein coupled receptor 1 family.