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J Am Chem Soc. 2010 Nov 10;132(44):15661-70. doi: 10.1021/ja105825a.

Tailoring enzyme-rich environmental DNA clones: a source of enzymes for generating libraries of unnatural natural products.

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1
Howard Hughes Medical Institute, Laboratory of Genetically Encoded Small Molecules, The Rockefeller University, 1230 York Avenue, New York, New York 10065, United States.

Abstract

A detailed bioinformatics analysis of six glycopeptide biosynthetic gene clusters isolated from soil environmental DNA (eDNA) megalibraries indicates that a subset of these gene clusters contains collections of tailoring enzymes that are predicted to result in the production of new glycopeptide congeners. In particular, sulfotransferases appear in eDNA-derived gene clusters at a much higher frequency than would be predicted from the characterization of glycopeptides from cultured Actinomycetes . Enzymes found on tailoring-enzyme-rich eDNA clones associated with these six gene clusters were used to produce a series of new sulfated glycopeptide derivatives in both in vitro and in vivo derivatization studies. The derivatization of known natural products with eDNA-derived tailoring enzymes is likely to be a broadly applicable strategy for generating libraries of new natural product variants.

PMID:
20945895
PMCID:
PMC3111151
DOI:
10.1021/ja105825a
[Indexed for MEDLINE]
Free PMC Article
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