Figure 3
MALDI-TOF ionization mass-spectrometric analysis of the hydrolysis products of a hexasaccharide (1[rightwards arrow]3)-[beta]-glucan catalyzed by the E259A mutant of GLUB20-2. M6, M5, M4 and M3, molecular masses of ionic adducts of Na+ and hexasaccharides, pentasaccharides, tetrasaccharides and trisaccharides, respectively; *, matrix ions (DHB, 2,5-dihydroxybenzoic acid; THAP, 2',4',6'-trihydroxyacetophenone).  [article HTML]

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