Purification and properties of three endo-β-1,4-xylanases produced by Streptomyces sp. strain S38 which differ in their ability to enhance the bleaching of kraft pulps

In the presence of xylan, Streptomyces sp. strain S38 secretes three xylanases (Xyl1, Xyl2, and Xyl3) that were purified to protein homogeneity and characterized. When used in bleach boosting tests on kraft hardwood and softwood, Xyl1, a family-11 enzyme, was more effective than Xyl2 and Xyl3 that b...

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