A fast and sensitive activity assay for lytic polysaccharide monooxygenase

Erik Breslmayr, Marija Hanžek, Aoife Hanrahan, Christian Leitner, Roman Kittl, Božidar Šantek, Chris Oostenbrink & Roland Ludwig
Abstract Background Lytic polysaccharide monooxygenases (LPMO) release a spectrum of cleavage products from their polymeric substrates cellulose, hemicellulose, or chitin. The correct identification and quantitation of these released products is the basis of MS/HPLC-based detection methods for LPMO activity. The duration, effort, and intricate analysis allow only specialized laboratories to measure LPMO activity in day-to-day work. A spectrophotometric assay will simplify the screening for LPMO in culture supernatants, help monitor recombinant LPMO expression and purification,...
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