Proteomics-based discovery of koranimine, a cyclic imine natural product.

Abstract

Nonribosomal peptide synthetases (NRPSs) and polyketide synthases (PKSs) are large enzymes responsible for the biosynthesis of medically and ecologically important secondary metabolites. In a previous report, we described a proteomics approach to screen for expressed NRPSs or PKSs from bacteria with or without sequenced genomes. Here we used this proteome mining approach to discover a novel natural product arising from rare adenylation (A) and reductase (Red) domains in its biosynthetic machinery. We also cloned the entire gene cluster and elucidated the biosynthesis of the new compound, which is produced by an unsequenced Bacillus sp. isolated from soil collected in Koran, Louisiana.

DOI: 10.1021/ja2015795

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@article{Evans2011ProteomicsbasedDO, title={Proteomics-based discovery of koranimine, a cyclic imine natural product.}, author={Bradley S Evans and Ioanna Ntai and Yunqiu Chen and Sarah J W Robinson and Neil L. Kelleher}, journal={Journal of the American Chemical Society}, year={2011}, volume={133 19}, pages={7316-9} }