G Protein-coupled Receptor 137 is a human gene encoded by the symbol, GPR137. It may also be known as: Integral membrane protein GPR137; Transmembrane 7 superfamily member 1-like 1 protein; C11orf4; GPR137A; TM7SF1L1. The encoded protein has an amino acid length of 417 and a mass of 46.1 kDa. Other isoforms may exist. G Protein-coupled Receptor 137 is a member of the GPR137 family. Homologs of this gene exist in other organisms, including: Mouse, Rat.