Immunogen: Synthetic 16 amino acid peptide from internal region of human NR1D2. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Bovine, Dog, Bat, Panda, Horse, Rabbit, Turkey, Chicken (100%); Elephant, Platypus (94%); Opossum, Xenopus (81%).