Immunogen: Human and rat amino acids 130-149 (QHRRKELETRQKQYRWMEWN). Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Marmoset, Rat, Bovine, Elephant, Panda (100%); Monkey, Mouse, Hamster, Rabbit, Opossum (95%); Bat (90%); Turkey, Chicken, Salmon, Zebrafish (80%).