Immunogen: Synthetic 16 amino acid peptide from 3rd cytoplasmic domain of human CHRM2. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Orangutan, Gibbon, Monkey, Marmoset, Mouse, Rat, Sheep, Dog, Bat, Bovine, Hamster, Panda, Rabbit, Pig, Guinea pig (100%); Elephant (94%).