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Attacking different biomass components

Biomass from non-edible crops could be a good source of glucose and other small sugars that can in turn be converted into bioethanol. But these sugars are hard to convert as they are embedded in difficult to digest crystalline molecules, like cellulose. Lytic polysaccharide monooxygenases (LPMOs) are copper enzymes, which oxidatively cleave polysaccharides like cellulose, thus helping other enzymes access these hard to break materials and convert them to glucose. Because of this, LPMOs have received a lot of attention, as they may be key to complex plant biomass degradation in industry and in nature.