FIELD: biochemistry.
SUBSTANCE: present invention relates to a β-galactosidase with transgalactosylating activity with the sequence provided in the description and the relative coding DNC. A recombinant vector incorporating the DNA sequence and a host cell comprising the DNA sequence or the vector are also disclosed. The enzyme with transgalactosylating activity is proposed for producing a mixture of oligosaccharides comprising disaccharides, trisaccharides, tetrasaccharides and pentasacchrides. Method for producing a mixture of oligosaccharides including bringing the enzyme or the host-cell in contact with the lactose-containing material.
EFFECT: invention enables the production of a mixture of oligosaccharides by enzymic lactose transformation.
17 cl, 4 dwg, 3 tbl, 2 ex
| Title |
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Author |
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|
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|
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|
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|
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|
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|
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|
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