Immunogen: Synthetic peptide located between aa71-120 of human NOG (Q13253, NP_005441). Percent identity by BLAST analysis: Human, Chimpanzee, Gorilla, Gibbon, Monkey, Galago, Mouse, Rat, Sheep, Elephant, Dog, Bovine, Bat, Horse, Pig, Opossum (100%); Turkey, Zebra finch, Chicken (92%); Xenopus (84%).