CysLT2 is an alias for the gene, Cysteinyl leukotriene receptor 2, in humans. Other names include: CysLTR2; G-protein coupled receptor GPCR21; hGPCR21; G-protein coupled receptor HG57; HPN321; CYSLT2; CYSLT2R; HG57; KPG_011; PSEC0146. The encoded protein has an amino acid length of 346 and a mass of 39.6 kDa. CysLT2 is a member of the G-protein coupled receptor 1 family. This gene shares homology with other species, including: Mouse.