Immunogen: Synthetic 17 amino acid peptide from N-terminal extracellular domain of human CASR. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Dog, Bat, Bovine, Hamster, Elephant, Panda, Horse, Rabbit, Pig, Opossum, Turkey, Chicken, Platypus (100%); Xenopus (94%).