SMILES: CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)N[C@@H](CC3=CNC4=CC=CC=C43)C(=O)O)N
Description: The molecule is a tetrapeptide composed of L-isoleucine, L-leucine and two L-tryptophan units joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-isoleucine, a L-leucine and a L-tryptophan.