SMILES: C[C@@H](C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CO)C(=O)O)N
Description: The molecule is a tetrapeptide composed of L-alanine, L-valine, L-aspartic acid, and L-serine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-alanine, a L-valine, a L-aspartic acid and a L-serine.