SMILES: C[C@H]([C@@H](C(=O)N1CCC[C@H]1C(=O)N2CCC[C@H]2C(=O)O)NC(=O)[C@H](CCCCN)N)O
Description: The molecule is a tetrapeptide composed of L-lysine, L-threonine and two L-proline units joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-lysine, a L-threonine and a L-proline.