Term Name:	N(5)-ethyl-L-glutamine zwitterion
Synonyms:	(2S)-2-azaniumyl-5-(ethylamino)-5-oxopentanoate, theanine, theanine zwitterion
Definition:	An amino acid zwitterion of N5-ethyl-L-glutamine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:58128]  ( EBI )