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Báo cáo khoa học: Spectroscopic investigation of the reaction mechanism of CopB-B, the catalytic fragment from an archaeal thermophilic ATP-driven heavy metal transporter

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:15

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The mechanism of ATP hydrolysis of a shortened variant of the heavy metal-translocating P-type ATPase CopB ofSulfolobus solfataricus was studied. The catalytic fragment, named CopB-B, comprises the nucleotide binding and phosphorylation domains. We demonstrated stoichiometric high-affinity binding of one nucleotide to the protein (Kdiss 1–20lm). Mg is not necessary for nucleotide association but is essential for the phospha-tase activity.

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Nội dung Text: Báo cáo khoa học: Spectroscopic investigation of the reaction mechanism of CopB-B, the catalytic fragment from an archaeal thermophilic ATP-driven heavy metal transporter

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