Immunogen: Synthetic 19 amino acid peptide from C-terminus of human S1PR1 / EDG1. Percent identity with other species by BLAST analysis: Human, Gorilla, Orangutan, Gibbon, Monkey, Panda (100%); Marmoset, Bovine, Cat, Pig (95%); Mouse, Rat, Shrew, Elephant, Horse (89%); Hamster (84%).