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. 2014 Dec 22;290(8):4829–4842. doi: 10.1074/jbc.M114.611384

TABLE 3.

Apparent affinities for sodium, potassium, ATP, vanadate, and digoxin under Na,K-ATPase turnover conditions

SOPS Brain PE Brain SM
K0.5Na+ (mm) 16.4 ± 0.4 25.0 ± 0.5 20.3 ± 0.4
p < 0.01 p < 0.01
K0.5K+ (mm) 1.47 ± 0.06 1.01 ± 0.02 1.16 ± 0.06
p < 0.01 p < 0.05
KmATPm) 207 ± 3 204 ± 5 268 ± 12
p < 0.05
Kivanadatem) 2.2 ± 0.04 1.0 ± 0.08 1.3 ± 0.2
p < 0.01 p < 0.05
Kidigoxin (nm) 298 ± 20 236 ± 23 257 ± 28