G Protein-coupled Receptor 125, or, ADGRA3, is a human gene. Other names include: G-protein coupled receptor 125; G protein-coupled receptor 125; GPR125; PGR21; TEM5L. The encoded protein has an amino acid length of 1321 and a mass of 146.2 kDa. G Protein-coupled Receptor 125 is a member of the G-protein coupled receptor 2 family, Adhesion G-protein coupled receptor (ADGR) subfamily. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.