Term Name:	diphthine betaine residue
Synonyms:	2-[(3S)-3-carboxylato-3-(trimethylammonio)propyl]-L-histidine residue, diphthine residue
Definition:	A zwitterionic group that is the conjugate base of diphthine residue, obtained by deprotonation of the carboxy group; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:82696]  ( EBI )