Immunogen: Synthetic 16 amino acid peptide from 3rd cytoplasmic domain of human GPR68. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Dog, Bovine, Hamster, Panda, Horse, Rabbit, Pig (100%); Bat, Elephant (94%); Platypus (81%).