SMILES: C[C@H]([C@@H](C(=O)N1CCC[C@H]1C(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](C)N)O
Description: The molecule is a tetrapeptide composed of L-alanine, L-leucine, L-threonine, and L-proline units joined in sequence. It has a role as a metabolite. It derives from a L-alanine, a L-leucine, a L-threonine and a L-proline.