The apparent affinity constants for the binding of Cs+, Rb+, K+, Li+, Tl+ and NH4+ to (Na+ + K+)-dependent adenosine triphosphatase from teleost gills were measured and the values discussed in terms of the ion-selectivity isotherm described by Eisenman & Krasne (1975) [in MTP International Review of Science: Biochemistry Series One (Fox, C.F., ed.), vol. 2, pp. 27--59, Butterworths University Park Press, Baltimore]. The ion selectivity of the present enzyme is remarkably similar to that from nerve and brain.
The activation of sodium-plus-potassium ion-dependent adenosine triphosphatase from marine teleost gills by univalent cations
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M V Bell, F Tondeur, J R Sargent; The activation of sodium-plus-potassium ion-dependent adenosine triphosphatase from marine teleost gills by univalent cations. Biochem J 1 April 1977; 163 (1): 185–187. doi: https://doi.org/10.1042/bj1630185
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