FIELD: biotechnologies.
SUBSTANCE: invention represents polypeptide, having α-L-arabinofuranosidase activity selected from the following polypeptides: polypeptide with SEQ ID No. 2, polypeptide, amino-acid sequence of which is located between positions 28 and 507 SEQ ID No. 2, fragment of polypeptide with SEQ ID No. 2, having activity of α-L-arabinofuranosidase, polypeptide having activity of α-L-arabinofuranosidase B and expressing 90% identity with polypeptide SEQ ID No. 2. Invention also relates to polynucleotide, which codes this polypeptide, expression cassette and vector, containing polynucleotide, and master organism that contains this polypeptide.
EFFECT: expanded arsenal of mediums for hydrolysis of α-L-arabinofuranosyl links in arabinofuranosyl-oligosaccharide compounds.
9 cl, 4 dwg, 2 tbl, 1 ex
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