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Enzymatic synthesis of amentoflavone glycoside using recombinant oleandomycin glycosyltransferase

机译:重组oleandomycin糖基转移酶酶促合成黄酮苷

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摘要

Glycosyltransferase (GT) can convert flavonoids, alkaloids, and terpenoids into glycosylated forms. An oleandomycin glycosyltransferase, "OleD" GT from Streptomyces antibioticus was exploited for the glycosylation of amentoflavone. The OleD was functionally expressed in Escherichia coli BL21 (DE3) and purified enzyme was employed as the biocatalyst for the glycosylation of amentoflavone via the transfer of glucose moiety from UDP (uridine diphosphate)-glucose. As a result, amentoflavone monoglycoside was evident in HPLC and LC-ESI-MS spectrometry with an exact mass of 701. In addition, the reaction conditions were optimized with the highest conversion up to 85% at 30 mm. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译:糖基转移酶(GT)可以将类黄酮,生物碱和萜类化合物转化为糖基化形式。利用抗生素链霉菌属的oleandomycin糖基转移酶“ OleD” GT进行了黄酮的糖基化。 OleD在大肠杆菌BL21(DE3)中功能性表达,并且纯化的酶通过从UDP(尿苷二磷酸)-葡萄糖的葡萄糖部分的转移被用作生物活性的黄酮酮糖基化的生物催化剂。结果,在HPLC和LC-ESI-MS光谱中,黄酮单糖苷的准确度为701,非常明显。此外,优化了反应条件,在30 mm时最高转化率达到了85%。 (C)2014大韩工业化学工程学会。由Elsevier B.V.发布。保留所有权利。

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