Immunogen: Synthetic 16 amino acid peptide from N-Terminus of human GPC4 / Glypican 4. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Hamster, Panda, Dog, Pig (100%); Marmoset, Mouse, Elephant, Bovine, Horse (94%); Rat, Bat, Rabbit (88%).