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. Author manuscript; available in PMC: 2020 Jul 15.
Published in final edited form as: J Am Chem Soc. 2020 Jan 3;142(2):710–714. doi: 10.1021/jacs.9b13046

Figure 2.

Figure 2.

Heterologous expression of flv pathway. (A) The flv gene cluster. (B) LC/MS analysis of extracts from A. nidulans expressing different combinations of flv genes. (C) The structure of hispidospermidin 4. (D) Proposed biosynthesis of 1 and 2 (For details see Figure S4).