Immunogen: Synthetic 19 amino acid peptide from N-terminal extracellular domain of human RXFP1. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Marmoset, Panda, Pig (100%); Orangutan, Monkey, Rat, Bovine, Dog, Horse (95%); Mouse, Elephant, Opossum (89%); Turkey, Platypus (84%).