Immunogen: Synthetic 15 amino acid peptide from 3rd cytoplasmic domain of human DRD1. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Elephant, Panda, Dog, Bovine, Pig, Opossum (100%); Mouse, Hamster, Bat, Lizard (93%); Rat, Turkey, Zebra finch, Chicken (87%); Xenopus (80%).