SMILES: C1=CC=C2C(=C1)C(=C(N2)[C@@H]3[C@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)C[C@@H](C(=O)[O-])[NH3+]
Description: The molecule is an L-alpha-amino acid zwitterion that is 2'-alpha-mannosyl-L-tryptophan in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3. It is a tautomer of a 2'-alpha-mannosyl-L-tryptophan.