Immunogen: Synthetic 19 amino acid peptide from 3rd cytoplasmic domain of human CHRM2. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Orangutan, Gibbon (100%); Marmoset, Rat, Dog, Hamster, Elephant, Pig (95%); Mouse, Sheep, Bat, Bovine, Panda, Rabbit, Opossum (89%); Guinea pig (84%).