SMILES: C([C@@H](C(=O)O)N)C(C(=O)O)C(=O)O
Description: The molecule is a non-proteinogenic L-alpha-amino acid that is L-glutamic acid in which one of the gamma-hydrogens is substituted by a carboxy group. It is a tricarboxylic acid and a non-proteinogenic L-alpha-amino acid. It is a tautomer of a gamma-carboxy-L-glutamic acid zwitterion.