Metabotropic glutamate receptor 5 or mGluR5 (UniProt P31424; also known as G protein-coupled receptor GRM5, G protein coupled receptor family C, group 1, member E) is encoded by the Grm5 (also known as Gprc1e, Mglur5) gene (Gene ID 24418) in rat species. The metabotropic glutamate receptors belong...