SMILES: C1=CC=C2C(=C1)C(=CN2)CCCC(=O)N[C@@H](CS)C(=O)[O-]
Description: The molecule is an N-acyl-L-alpha-amino acid anion resulting from the deprotonation of the carboxy group of N-[4-(indol-3-yl)butanoyl]-L-cysteine. The major species at pH 7.3. It is a conjugate base of a N-[4-(indol-3-yl)butanoyl]-L-cysteine.