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Báo cáo khoa học: Dimer asymmetry and the catalytic cycle of alkaline phosphatase from Escherichia coli

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:9

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Although alkaline phosphatase (APase) fromEscherichia colicrystallizes as a symmetric dimer, it displays deviations from Michaelis–Menten kinetics, supported by a model describing a dimeric enzyme with unequal subunits [Orha-novic´ S., Pavela-Vrancˇicˇ M. and Flogel-Mrsˇic´ M. (1994) Acta. Pharm.44, 87–95]. The possibility, that the observed asymmetry could be attributed to negative cooperativity in Mg2+ binding, has been examined. The influence of the metal ion content on the catalytic properties of APase from E. colihas been examined by kinetic analyses. ...

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Nội dung Text: Báo cáo khoa học: Dimer asymmetry and the catalytic cycle of alkaline phosphatase from Escherichia coli

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