Immunogen: Synthetic 20 amino acid peptide from N-terminal extracellular domain of human RXFP1. Percent identity with other species by BLAST analysis: Human, Gorilla, Orangutan, Gibbon, Monkey (100%); Mouse, Rat (95%); Marmoset, Bovine (90%); Elephant, Panda, Dog, Horse, Pig (85%); Rabbit, Opossum (80%).