Immunogen: Synthetic peptide C-QDIIPQLKKKYDVD from an internal region of human COMT (NP_000745.1; NP_009294.1). Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Bovine, Horse, Pig (100%); Mouse, Rat, Bat, Panda (93%); Hamster, Elephant, Rabbit, Xenopus (86%).