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