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Figure 3
MALDI-TOF ionization mass-spectrometric analysis of the hydrolysis products of a hexasaccharide (1→3)-β-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).

Journal logoBIOLOGICAL
ISSN: 1399-0047
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