[Description of Na, K-ATPase activation by monovalent cations using a simplified mathematical model].
A simple mathematic model describing the activation Na,K-ATPase system by univalent cations is proposed. The constants for the enzyme activation values by each of the ions in the presence of a fixed concentration of the other ion have been calculated. The substitution of these values into the common equation describing the behaviour of the whole system according to the given model gives the curve of Na,K-ATPase activity change in dependence of Na/K ration at the same total concentration 150 mM. The experimental points correspond to the curve.
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D002414:Cations, Monovalent; D004789:Enzyme Activation / Q000187:drug effects; D007700:Kinetics; D008433:Mathematics; D008954:Models, Biological; D000254:Sodium-Potassium-Exchanging ATPase / Q000378:metabolism*
D002414:Cations, Monovalent; D000254:Sodium-Potassium-Exchanging ATPase
Opisanie aktivatsii Na, K-ATFazy odnovalentnymi kationami s pomoshch'iu uproshchennoĭ matematicheskoĭ modeli.