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[The regulation of Na, K-ATPase activity by the substrate]
Abstract:
The mechanism of functioning of Na, K-ATPase system is considered, the peculiarities of hydrolysis in different substrates are described. The experimental results testify to the role of substrate structure in E2----E1-transition, Na+ transport, K(+)-dependent phosphatase activity and quaternary structure of enzyme. The regulatory role of molecular organization of Na, K-ATPase in ion transport is discussed.