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Updated: May 9, 2026
09:08
From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028
Published on: January 13, 2017
Engineering polyketide synthases and nonribosomal peptide synthetases
1Department of Chemistry, North Carolina State University, Raleigh, NC 27695, United States. gavin_williams@ncsu.edu
Current Opinion in Structural Biology
|July 11, 2013
Summary
Engineering polyketide and nonribosomal peptide biosynthesis machinery yields novel analogs. This review details mutagenesis strategies to enhance substrate specificity and activity for improved natural product discovery.
Area of Science:
- Biochemistry
- Molecular Biology
- Natural Product Chemistry
Background:
- Polyketides and nonribosomal peptides are natural products with significant biological activities.
- Their complex structures are assembled by large enzymatic machineries.
- Protein engineering aims to modify these machineries for analog generation.
Purpose of the Study:
- To review advanced protein engineering strategies for polyketide and nonribosomal peptide biosynthetic machinery.
- To highlight methods for altering substrate specificity, activity, and protein interactions.
Main Methods:
- Site-directed mutagenesis of substrate binding pockets.
- Semi-rational mutagenesis approaches.
- Whole-gene random mutagenesis for discovering novel variants.
Main Results:
- These methods enable precise control over the engineering of biosynthetic enzymes.
- Successful engineering can lead to the generation of diverse natural product analogs.
- Understanding protein interactions is crucial for effective engineering.
Conclusions:
- Advanced mutagenesis techniques offer powerful tools for tailoring polyketide and nonribosomal peptide biosynthesis.
- These engineered systems facilitate the discovery of novel bioactive compounds.
- Continued protein engineering efforts will expand the repertoire of accessible natural products.
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