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Báo cáo khoa học: Molecular characterization of the membrane-bound quinol peroxidase functionally connected to the respiratory chain

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:14

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Here, we report for the first time quinol peroxidase (QPO), an enzyme that uses ubiquinol-1 as an electron donor for the reduction of H2O2 to water. We purified QPO to 90% purity from the membrane fraction ofActino-bacillus actinomycetemcomitans. QPO is a 53.6-kDa protein that contains three heme c molecules. Theqpogene was predicted to encode a putative bacterial cytochromec peroxidase with N-terminal extensions containing an additional potential hemec-binding motif.

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Nội dung Text: Báo cáo khoa học: Molecular characterization of the membrane-bound quinol peroxidase functionally connected to the respiratory chain

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