ENZYMATIC ACTIVITY OF LYTIC POLYSACCHARIDE MONOOXYGENASE

The present invention is in the area of enzymes for (hemi-)cellulose degradation and/or modification, more in particular the degradation and/or modification of xylan. The invention is based on a newlydiscovered enzymatic activity of a class of lytic polysaccharide monooxygenases (LPMOs), i.e.oxidati...

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Bibliographische Detailangaben
Hauptverfasser:	FROMMHAGEN MATTHIAS, VISSER JACOB, KABEL MIRJAM ANNA, GRUPPEN HARM, HINZ SANDRA WILHELMINA AGNES, KOETSIER MARTIJN JOHANNES
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BAKERY PRODUCTS BAKING BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA EDIBLE DOUGHS ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE HUMAN NECESSITIES METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PRESERVATION THEREOF PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH, e.g. BYADDITION OF MATERIALS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention is in the area of enzymes for (hemi-)cellulose degradation and/or modification, more in particular the degradation and/or modification of xylan. The invention is based on a newlydiscovered enzymatic activity of a class of lytic polysaccharide monooxygenases (LPMOs), i.e.oxidative cleavage of xylan in addition to oxidative cleavage of cellulose. The present invention therefore relates to a method for degrading and/or modifying xylan in a xylan-comprising substrate, a method for preparing a product from a xylan-comprising substrate, a kit of parts, a liquid, paste or solidformulation, and a xylan-comprising composition, comprising said LPMO. The invention further relates to a use of said LPMO, said kit of parts, said formulation and/or said composition, in a method ofthe invention. 本发明处于用于(半)纤维素降解和/或改性的酶的领域，更具体是用于木聚糖的降解和/或改性的酶的领域。本发明基于类溶解性多糖单加氧酶(LPMO)的新发现的酶活性，即除了纤维素的氧化裂解之外还具有木聚糖的氧化裂解活性。因此，本发明涉及种用于对含木聚糖的底物中的木聚糖进行降解和/或改性的方法，种用于由含木聚糖的底物制备产物的方法，部件试剂盒，液体、糊剂或固体配制品，以及包含所述LPMO的含木聚糖的组合物。本发明进步涉及所述LP