Immunogen: Synthetic peptide C-KDERFQLEEFS from an internal region of human CADM4 / NECL-4 (NP_660339.1). Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Elephant, Panda, Bovine, Dog, Bat, Horse, Rabbit, Pig, Opossum, Platypus (100%).