Immunogen: Synthetic 15 amino acid peptide from C-terminal cytoplasmic domain of human DRD1. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Elephant, Rabbit (100%); Mouse, Rat, Sheep, Bat, Bovine, Hamster, Panda, Pig, Opossum (93%).