Immunogen: Synthetic peptide C-EKPRARELRIS from an internal region of human PON2 (NP_000296.2; NP_001018171.1). Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset (100%); Elephant (91%); Rat, Hamster, Panda, Bat, Dog, Horse, Pig (82%).