Immunogen: Synthetic 18 amino acid peptide from C-terminus of human Neurokinin 1 Receptor. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Rat, Hamster, Panda, Horse, Rabbit, Guinea pig (100%); Mouse, Dog, Elephant (94%); Marmoset, Bat, Bovine (89%).