Immunogen: Synthetic 18 amino acid peptide from internal region of human USP20. Percent identity with other species by BLAST analysis: Human, Gorilla, Monkey, Marmoset (100%); Orangutan, Gibbon, Rabbit (94%); Hamster (89%); Mouse, Bovine, Bat, Elephant, Panda, Horse, Pig, Opossum, Turkey, Chicken (83%).