Immunogen: Synthetic 16 amino acid peptide from N-terminal extracellular domain of human CCKAR. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey (100%); Marmoset, Bovine, Rabbit, Guinea pig (94%); Mouse, Elephant, Panda, Bat (88%); Rat, Dog, Horse, Opossum (81%).