Immunogen: Synthetic peptide C-PDSPQRREKLHK from an internal region of human GAD1 / GAD67 (NP_000808.2). Percent identity by BLAST analysis: Human, Chimpanzee, Gorilla, Orangutan, Gibbon, Monkey (100%); Marmoset (92%); Mouse, Rat, Elephant, Panda, Bat, Bovine, Dog, Cat, Horse, Rabbit, Pig, Opossum (83%).