SMILES: C(CC=O)CNC(=O)CC[C@@H](C(=O)[O-])[NH3+]
Description: The molecule is an amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of gamma-glutamyl-gamma-aminobutyraldehyde; major species at pH 7.3. It is a tautomer of a gamma-glutamyl-gamma-aminobutyraldehyde.