Immunogen: Synthetic 17 amino acid peptide from internal region of human CD26. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Gibbon, Monkey, Bat, Bovine, Horse, Rabbit, Pig (100%); Orangutan, Galago, Cat (94%); Marmoset, Rat (88%); Mouse, Elephant, Dog (82%).