Immunogen: Synthetic 17 amino acid peptide from internal region of human 5HT1B Receptor. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Gibbon, Monkey, Marmoset (100%); Mouse, Rat, Bat, Horse, Pig (94%); Hamster, Panda, Bovine, Dog, Cat, Rabbit, Guinea pig (88%); Elephant, Opossum (82%).