Immunogen: Synthetic 15 amino acid peptide from internal region of human BACE1. Percent identity with other species by BLAST analysis: Human, Gibbon, Monkey, Marmoset, Mouse, Rat, Dog, Bat, Bovine, Hamster, Elephant, Panda, Horse, Rabbit, Pig, Opossum, Guinea pig (100%); Platypus (87%); Xenopus, Pufferfish, Zebrafish, Stickleback (80%).