SMILES: C[C@@H](C(=O)N[C@H](CCC(=O)[O-])C(=O)[O-])[NH3+]
Description: The molecule is a peptide anion that is the conjugate base of L-alanyl-D-glutamic acid, arising from deprotonation of the the two carboxy groups and protonation of the amino group; major species at pH 7.3.