SMILES: C1=CC=C(C=C1)NC(=O)CC[C@@H](C(=O)[O-])[NH3+]
Description: The molecule is an amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of N(5)-phenyl-L-glutamine; major species at pH 7.3. It is a tautomer of a N(5)-phenyl-L-glutamine.