Term Name:	diphthamide zwitterion
Synonyms:	(2S)-3-{2-[(3S)-4-amino-4-oxo-3-(trimethylazaniumyl)butyl]-1H-imidazol-4-yl}-2-azaniumylpropanoate
Definition:	A zwitterionic tautomer of diphthamide having an anionic carboxy group and a protonated primary amino group.
Ontology:	ChEBI [CHEBI:57580]  ( EBI )