Immunogen: Synthetic 19 amino acid peptide from C-terminus of human EDNRB. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Goat, Hamster, Panda, Bovine, Dog, Rabbit, Pig, Opossum, Platypus (100%); Elephant, Bat, Horse (95%).