text: This includes nonribosomal peptide synthetases (NRPS) and polyketide synthases (<< PKS >>) required for the formation of the [[ benzopyranopyrrole ]] core unit, as well as a suite of tailoring enzymes (e.g., four halogenases, an O-methyltransferase, and an N-glycosyltransferase) necessary for further modifications of the core structure.