SMILES: CC(C)[C@@H](C(=O)NCC(=O)N1CCC[C@H]1C(=O)O)NC(=O)[C@@H]2CCCN2
Description: The molecule is a tetrapeptide composed of L-proline, L-valine, glycine, and L-proline joined by peptide linkages. It has a role as a metabolite. It derives from a L-proline, a L-valine and a glycine.