SUCNR1 encodes the human gene, Succinate receptor 1. It may also be known as: P2Y purinoceptor 1-like; G-protein coupled receptor 91; GPR91. The encoded protein has an amino acid length of 334 and a mass of 38.7 kDa. Other isoforms may exist. SUCNR1 is a member of the G-protein coupled receptor 1 family. Homologs of this gene exist in other organisms, including: Mouse, Rat.