SMILES: C([C@H](C(=O)[O-])[NH3+])S
Description: The molecule is a cysteine zwitterion. It is a conjugate base of a D-cysteinium. It is a conjugate acid of a D-cysteinate(1-). It is an enantiomer of a L-cysteine zwitterion. It is a tautomer of a D-cysteine.