Term Name:	2-aminobut-2-enoic acid zwitterion
Synonyms:	2-aminobut-2-enoate, 2-ammoniobut-2-enoate, 2-azaniumylbut-2-enoate
Definition:	An amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 2-aminobut-2-enoic acid; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:48306]  ( EBI )