Immunogen: Synthetic peptide C-REALPAPSDDATA from an internal region of human GPX1 (NP_000572.2). Percent identity by BLAST analysis: Human, Chimpanzee, Gorilla, Orangutan, Gibbon, Monkey, Marmoset, Elephant, Horse (100%); Panda, Bat, Pig (92%); Rat, Hamster, Zebu, Bovine, Dog, Rabbit (85%).