Carbohydrate Research 2002-06-05

Efficient chemoenzymatic synthesis of globotriose and its derivatives with a recombinant alpha-(1-->4)-galactosyltransferase.

Jianbo Zhang, Przemyslaw Kowal, Jianwen Fang, Peter Andreana, Peng George Wang

Index: Carbohydr. Res. 337(11) , 969-76, (2002)

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Abstract

A truncated alpha-(1-->4)-galactosyltransferase (LgtC) gene from Neisseria meningitidis was cloned. The recombinant glycosyltransferase was expressed in Escherichia coli BL21 (DE3) strain with high specific activity (5 units/mg protein). Its acceptor specificity was carefully characterized. Then the purified enzyme was utilized in highly efficient syntheses of globotriose and a variety of alpha-(1-->4)-galactosylated derivatives as potential antibacterial agents.