Immunogen: Synthetic 17 amino acid peptide from 3rd cytoplasmic domain of human GRPR. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Hamster, Elephant, Bovine, Dog, Bat, Pig (100%); Panda, Rabbit, Opossum (94%); Horse (88%); Turkey, Chicken, Lizard (82%).