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. 2021 Jul 31;9(8):1640. doi: 10.3390/microorganisms9081640

Figure 5.

Figure 5

Proposed biosynthetic scheme for bonsecamin production. A. Formation of the Ala-Ala-Val tripeptide precursor catalyzed by the putative alanine ligase encoded by bonG. B. Conversion of the tripeptide intermediate into the linear pentapeptide precursor catalyzed by the NRPS encoded by bonB, bonF and bonC. C. Cyclization of the linear bonsecamin precursor catalyzed by the products of bonE and bonD.