Switching Glycosyltransferase UGTBL1 Regioselectivity Toward Polydatin Synthesis Using a Semi-Rational Design.
Organic & biomolecular chemistry(2018)
摘要
The 62nd residue of glycosyltransferase UGTBL1 was identified as a "hotspot" for glycosylation at 3-OH of resveratrol. Via semi-rational design including structure-guided alanine scanning and saturation mutations, the mutation I62G significantly switched the regioselectivity from 4'-OH to 3-OH of resveratrol and mainly produced polydatin (87.7%), a therapeutic natural product.
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