Term Name:	(R)-2-amino-4-oxopentanoic acid zwitterion
Synonyms:	(2R)-2-amino-4-oxopentanoate, (2R)-2-azaniumyl-4-oxopentanoate, 3-acetyl-D-alanine zwitterion, 4-oxo-D-norvaline zwitterion, beta-acetyl-D-alanine zwitterion
Definition:	A 2-amino-4-oxopentanoic acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of (R)-2-amino-4-oxopentanoic acid; major microspecies at pH 7.3.
Ontology:	ChEBI [CHEBI:134102]  ( EBI )