Immunogen: Synthetic 17 amino acid peptide from N-terminal extracellular domain of human FSHR. Percent identity with other species by BLAST analysis: Human, Gorilla, Monkey, Marmoset (100%); Gibbon, Dog, Bat, Elephant, Rabbit, Horse, Pig, Guinea pig (94%); Bovine, Cat, Goat (88%); Mouse, Rat, Sheep (82%).