Gene cluster mediates therapeutic potential of bioactive compounds through enhanced enzyme engineering, indicating novel biosynthetic pathways.
Chlocarbazomycins are bioactive carbazoles with therapeutic potential. Here, we report a conserved gene cluster (ccz) that directs its biosynthesis via a novel pathway. This cluster encodes a versatile tailoring system, including a regioselective halogenase (CczH), dedicated hydroxylases (CczA/J/D), and a bifunctional methyltransferase (CczI) that iteratively methylates and accelerates N-OH dehydroxylation. Our findings provide new enzymes for carbazole pathway engineering and structural diversification.
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Chen et al. (2025) studied this question.
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