Summary
Four 1,3-β-glucanases GI, GII, GIV and GVIII, which were isolated from culture filtrate ofStreptomyces sp. 1228, were examined for their activities on different oligo- and polysaccharides containing 1,3-β-and/or 1,4-β-and/or 1,6-β-glycosodic bonds. Linear 1,3-β-glucan-laminarin was extensively degraded. CM-cellulose, xylan, lichenan and yeast glucan were hydrolyzed to different extents by the four enzymes. No activity against barley glucan was found. Laminarioligosaccharides, with a higher degreeol polymerization were more extensively hydrolyzed by GI, GII, and GIV enzymes. Glucanase GVIII prefers substrates with lower molecular mass.
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Bielecki, S., Antczak, T., Wnuk, M. et al. Specificity of 1,3-β-glucanases from the lytic system ofStreptomyces sp. 1228. Biotechnol Lett 11, 287–292 (1989). https://doi.org/10.1007/BF01031579
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DOI: https://doi.org/10.1007/BF01031579