AA9 family lytic polysaccharide monooxygenase B

UniProtKB accession:  W4KMP1

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UniProtKB description:  Lytic polysaccharide monooxygenase that depolymerizes crystalline and amorphous polysaccharides via the oxidation of scissile alpha- or beta-(1-4)-glycosidic bonds, yielding specifically C1 oxidation product (PubMed:29660793). Catalysis by LPMOs requires the reduction of the active-site copper from Cu(II) to Cu(I) by a reducing agent and H(2)O(2) or O(2) as a cosubstrate (PubMed:29660793). Displays catalytic activity on insoluble cellulose using I-beta microfibril model substrate (PubMed:29660793).