Abstract:Glycosylation is an important method of modifying natural products and is usually catalyzed by uridine 5′-diphosphate (UDP)-glycosyltransferase. UDP-β-L-arabinose (UDP-Ara) confers specific functions to natural products such as pentacyclic triterpenoids. However, UDP-arabinosyltransferase with high regioselectivity toward pentacyclic triterpenoids has rarely been reported. In addition, UDP-Ara is mainly biosynthesized from UDP-α-D-glucose (UDP-Glc) through several reaction steps, resulting in the high cost of … Show more
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