Immunogen: Synthetic 18 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, Rat, Hamster, Panda, Dog, Bat, Rabbit (100%); Marmoset, Mouse, Elephant, Bovine, Horse (94%); Platypus (83%).