Term Name:	gamma-carboxy-L-glutamic acid zwitterion
Synonyms:	(2S)-2-ammonio-4,4-dicarboxybutanoate, (3S)-3-aminopropane-1,1,3-tricarboxylic acid zwitterion
Definition:	An amino acid zwitterion obtained from gamma-carboxy-L-glutamic acid by transfer of a proton from the alpha-carboxy group to the amino group.
Ontology:	ChEBI [CHEBI:61936]  ( EBI )