Immunogen: Synthetic 16 amino acid peptide from 3rd cytoplasmic domain of human HRH3 / Histamine H3 Receptor. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey (100%); Mouse, Rat, Hamster, Elephant, Bovine, Dog, Horse, Opossum, Guinea pig, Platypus (88%); Bat, Turkey (81%).