Cellulase (EC 184.108.40.206) can be used for the enzyme-catalysed synthesis of oligosaccharides in a mixed buffer/organic solvent system. Besides glucopyranosides and cellooligosaccharides, non-glucosidic saccharides and modified glucoses as glycosyl acceptors also react with β-lactosyl fluoride as glycosyl donor. The reaction proceeds in a completely stereo- and regio-specific manner, giving rise to coupling products having β(1→4) glycosidic bonds exclusively. Based on these results, a model for the active site of cellulase (Trichoderma viride) and the orientation of the donor and acceptor therein is proposed.
|Number of pages||7|
|Journal||Journal of the Chemical Society, Perkin Transactions 1|
|Publication status||Published - 1994|
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