Immunogen: Synthetic 16 amino acid peptide from C-terminus of human CNR1 / CB1. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Monkey, Marmoset, Mouse, Rat, Panda, Dog, Bat, Bovine, Cat, Horse, Pig (100%); Opossum (94%); Turkey, Zebra finch, Chicken, Xenopus (88%).