Immunogen: Synthetic 16 amino acid peptide from 3rd cytoplasmic domain of human 5HT1B Receptor. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Gibbon, Marmoset, Mouse, Rat, Hamster, Elephant, Panda, Bat, Bovine, Dog, Cat, Rabbit, Pig, Guinea pig (100%); Monkey, Horse, Opossum (94%); Chicken, Lizard, Xenopus (88%).