https://www.ncbi.nlm.nih.gov/Structure/pdb/3KS9
Metabotropic glutamate receptor 12-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine2-acetamido-2-deoxy-beta-D-glucopyranoseMAGNESIUM ION
glutamate receptormetabotropicantagonist
https://www.sciencedaily.com/releases/2009/10/091009092344.htm
One hundred years ago, Kikunae Ikeda discovered the flavor-giving properties of glutamate, a non-essential amino acid traditionally used to enhance the taste...
on tonguereceptoractivatedexclusivelyglutamate
https://www.ncbi.nlm.nih.gov/Structure/pdb/2E4V
Metabotropic glutamate receptor 3(1R,2R)-3-[(S)-amino(carboxy)methyl]cyclopropane-1,2-dicarboxylic acid2-acetamido-2-deoxy-beta-D-glucopyranose
crystal structureextracellularregiongroup