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We describe here the enzymatic production of levan type-fructooligosaccharides (L-FOS) with a DP from 2 to 10, through simultaneous synthesis and hydrolysis reactions. This was accomplished by LevB1SacB, a new enzyme resulting from the fusion of SacB, a levansucrase from Bacillus subtilis and LevB1, an endolevanase from B. licheniformis. In the fusion enzyme, SacB retains its catalytic behavior with...
In the present work we describe an enzymatic production method to obtain β2-6 fructose oligosaccharides (levan-type FOS) through a sequential reaction in which a bacterial endolevanase is applied to levan produced from sucrose by bacterial levansucrases. A putative gene encoding an endolevanase, designated as LevBl, was identified through a bioinformatics search, isolated from a strain of Bacillus...
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