Immunogen: Synthetic 19 amino acid peptide from C-terminus of human TSH Receptor. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Orangutan, Gibbon, Monkey, Marmoset, Bat, Dog, Elephant, Horse, Pig, Guinea pig (94%); Mouse, Rat, Sheep, Cat, Bovine, Hamster, Panda, Rabbit, Opossum (89%).