G Protein-coupled Receptor 158 is a human gene encoded by the symbol, GPR158. It may also be known as: Probable G-protein coupled receptor 158. The encoded protein has an amino acid length of 1215 and a mass of 135.5 kDa. Other isoforms may exist. G Protein-coupled Receptor 158 is a member of the G-protein coupled receptor 3 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.