Specificity: Human GPR109B / HM74. BLAST analysis of the peptide immunogen showed no homology with other human proteins, except HCAR2 (100%), GPR81 (50%).
Immunogen: Synthetic 20 amino acid peptide from 3rd cytoplasmic domain of human GPR109B / HM74. Percent identity with other species by BLAST analysis: Human, Gorilla, Dog, Hamster, Panda (100%); Mouse, Horse, Guinea pig (95%); Rat (90%).