glutamic acid (l-glutamic acid, glu, e) amino acid and neurotransmitter molecule

glutamic acid glutamate amino peptide protein glu neurotransmitter umami gluten monosodium kombu transamination transaminase nmda ampa learning memory flavor enhancer msg nitrogen oxygen molecule atoms atomic model molecular compound composition chemical chemistry bond structure formula blackboard chalkboard chalk written writing drawing background ring line skeletal flat icon stylized style