Immunogen: Synthetic peptide C-EQYQKTSLAQEKEK from an internal region of human ENPEP (NP_001968.3). Percent identity by BLAST analysis: Human, Gorilla, Orangutan, Gibbon, Monkey, Marmoset, Mouse, Rat, Elephant, Bovine (100%); Dog (93%); Panda, Bat, Rabbit, Horse, Pig (86%).