SMILES: C1C[NH2+][C@@H]([C@@H]1O)C(=O)[O-]
Description: The molecule is the zwitterion formed from cis-3-hydroxy-L-proline by proton transfer from the carboxy group to the ring nitrogen. It is the predominant species at physiological pH. It is a tautomer of a cis-3-hydroxy-L-proline.