Immunogen: Synthetic 19 amino acid peptide from N-terminal extracellular domain of human GRM2 / MGLUR2. Percent identity with other species by BLAST analysis: Human, Chimpanzee, Gorilla, Gibbon, Monkey, Marmoset, Rabbit (100%); Mouse, Rat, Bovine, Dog, Bat, Elephant, Panda (95%); Hamster, Horse, Platypus (89%); Pig (84%).