Immunogen: Synthetic 18 amino acid peptide from 2nd extracellular domain of human GPR174. Percent identity with other species by BLAST analysis: Chimpanzee, Gorilla, Orangutan, Gibbon, Monkey, Rabbit (100%); Human, Mouse, Rat, Dog, Bat (94%); Marmoset, Panda, Horse, Pig, Guinea pig (88%); Galago (82%).