Term Name:	diphthinate
Synonyms:	(2S)-4-{4-[(2S)-2-azaniumyl-2-carboxylatoethyl]-1H-imidazol-2-yl}-2-(trimethylazaniumyl)butanoate
Definition:	An amino acid zwitterion that is the conjugate base of cationic diphthine, formed via deprotonation of both carboxy groups and protonation of the primary amino group; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:58361]  ( EBI )