Immunogen: Synthetic 14 amino acid peptide from near N-terminus of human PTGES. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Rat, Bovine, Dog, Elephant, Panda, Rabbit, Horse, Pig, Opossum, Turkey, Chicken, Platypus, Pufferfish, Zebrafish, Stickleback (100%); Mouse, Xenopus, Pike (93%).