Immunogen: Synthetic 16 amino acid peptide from 2nd extracellular domain of human P2RY12 / P2Y12. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Panda, Dog, Horse, Rabbit (100%); Bat, Pig, Platypus (94%); Mouse, Hamster, Bovine, Opossum (88%); Rat, Elephant (81%).