Immunogen: Synthetic 13 amino acid peptide from internal region of human TSPAN13. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Gibbon, Monkey, Galago, Marmoset, Mouse, Rat, Horse (100%); Orangutan, Elephant, Panda, Dog, Rabbit, Opossum, Platypus (92%); Bat, Bovine, Pig, Guinea pig, Pufferfish, Zebrafish (85%).