Immunogen: Synthetic 17 amino acid peptide from 2nd extracellular domain of human 5HT1D Receptor. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Marmoset (100%); Panda, Dog, Horse, Guinea pig (94%); Monkey, Mouse, Rat, Hamster, Bat, Bovine, Rabbit (88%); Pig, Opossum (82%).