Immunogen: Synthetic peptides corresponding to the N terminal sequence (ITYVPPLLLEVGVEE) and the C terminal sequence (FATQVVFDKSDLAKYSA) of the human Prostein protein. Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Hamster, Elephant, Panda, Bovine, Dog, Bat, Rabbit, Opossum, Turkey, Chicken, Platypus (100%); Horse, Xenopus, Pufferfish, Zebrafish (93%).