SMILES: C1=CC=C2C(=C1)C(=CN2)C/C(=N\\O)/SC[C@@H](C(=O)NCC(=O)[O-])[NH3+]
Description: The molecule is a dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of S-[(E)-N-hydroxy-2-(indol-3-yl)ethanimidoyl]-L-cysteinylglycine; major species at pH 7.3. It is a tautomer of a S-[(E)-N-hydroxy-2-(indol-3-yl)ethanimidoyl]-L-cysteinylglycine.