Immunogen: Synthetic peptide C-RDDIDNPDQRISQD from an internal region of human ABCD4 (NP_005041.1). Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Rabbit, Opossum (100%); Elephant, Panda, Bovine, Dog, Bat, Horse, Pig, Chicken, Stickleback (93%); Turkey, Zebrafish (86%).