Immunogen: Synthetic 18 amino acid peptide from 1st extracellular domain of human CRHR2. Percent identity with other species by BLAST analysis: Human, Gorilla (100%); Gibbon, Monkey, Marmoset, Hamster, Elephant, Panda, Bovine, Dog, Rabbit, Pig (94%); Mouse, Rat, Bat, Horse (89%).