SMILES: CC(=O)N[C@@H](CCS(=O)(=O)C)C(=O)[O-]
Description: The molecule is an N-acyl-L-alpha-amino acid anion that is the conjugate base of N-acetyl-L-methionine sulfone, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a N-acetylmethionine sulfone.