Immunogen: Synthetic 18 amino acid peptide from N-terminus of human PDE6A / PDE6 Alpha. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Hamster (100%); Dog, Panda, Rabbit (94%); Bovine, Bat, Elephant (89%); Horse, Opossum (83%).