Immunogen: Synthetic 16 amino acid peptide from internal region of human NANP. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Mouse, Rat, Dog, Hamster, Panda, Rabbit (100%); Marmoset, Bovine, Elephant, Pig, Opossum, Turkey, Chicken, Platypus (94%); Bat (88%); Lizard (81%).