SMILES: C(C[C@@H](C(=O)[O-])[NH3+])C[C@@H](C(=O)[O-])[NH3+]
Description: The molecule is a zwitterion that is derived from LL-2,6-diaminopimelic acid by deprotonation of both carboxylic acid groups and protonation of both amino groups. It has a role as an Escherichia coli metabolite. It is a tautomer of a LL-2,6-diaminopimelic acid.