has role is deprotonated form of is protonated form of is enantiomer of glutamate(1-) L-glutamic acid EC 6.3.1.2 (glutamate--ammonia ligase) inhibitor L-glutamate(1-) An α-amino-acid anion that is the conjugate base of <small>L</small>-glutamic acid, having anionic carboxy groups and a cationic amino group D-glutamate(1-) L-glutamate(2-) Saccharomyces cerevisiae metabolite human metabolite