Maximum rate of transport of potassium-potassium exchange of Na+ K+ ATPase

Value 7 sec^-1 Range: Table - link sec^-1
Organism Pig Sus species
Reference Stein, Wilfred D., Transport and Diffusion across Cell Membranes, 1986 Academic press inc. Harcourt Brace Jovanovich, Publishers pp.557 table 6.3
Primary Source Karlish SJ, Stein WD. Passive rubidium fluxes mediated by Na-K-ATPase reconstituted into phospholipid vesicles when ATP- and phosphate-free. J Physiol. 1982 Jul328:295-316PubMed ID6290646
Method Pig kidney enzymes reconstituted vesicles. Calculated assuming a stoichiometry of three sodium ions moved to two potassium ions moved to one ATP split per enzyme molecule in all modes. Data either appears directly in primary ref, or is calculation assuming 200 sodium pumps per cell
Comments At room temperature
Entered by Uri M
ID 104182