Immunogen: Synthetic 18 amino acid peptide from 2nd extracellular domain of human ADRA1D. Percent identity with other species by BLAST analysis: Human, Gorilla, Monkey, Marmoset, Dog, Panda, Horse, Pig, Guinea pig (100%); Mouse, Rat, Bovine, Hamster, Rabbit, Opossum (94%); Bat (89%).