Biochimica et Biophysica Acta (BBA) - Biomembranes
Protective effect of Na+ and K+ against inactivation of (Na+ + K+-ATPase by high concentrations of 2-mercaptoethanol at high temperatures
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Cited by (21)
β subunit affects Na<sup>+</sup> and K<sup>+</sup> affinities of Na<sup>+</sup>/K<sup>+</sup>-ATPase: Na<sup>+</sup> and K<sup>+</sup> affinities of a hybrid Na<sup>+</sup>/K<sup>+</sup>-ATPase composed of insect α and mammalian β subunits
2022, Biochemistry and Biophysics ReportsCitation Excerpt :However, some investigators have reported more active involvements of the β subunit in Na+/K+-ATPase activity and ion transport. Kawamura et al. [8] indicated that a reduction of disulfide bonds in the β subunit caused loss of ATPase activity. Lutsenko and Kaplan [9] reported that a reduction of disulfide bonds in the β subunit caused the loss of K+ occlusion.
Cdc50p plays a vital role in the ATPase reaction cycle of the putative aminophospholipid transporter Drs2p
2009, Journal of Biological ChemistryCitation Excerpt :This is the conclusion suggested here for the P4-ATPases, and there are indications that the same holds for P2C-ATPases as well. In the case of the Na+/K+-ATPase, biochemical evidence indicates that disruption of the disulfide bonds in the ectodomain of the β subunit blocks K+ occlusion, and conversely, that binding K+ ions can protect the β subunit from disruption (48, 49). Moreover, disruption of interactions between specific residues within the membrane spans of the Na+/K+ transporter and β subunit results in a shift toward an E1 conformation (50, 51).
Mechanism and significance of P<inf>4</inf> ATPase-catalyzed lipid transport: Lessons from a Na<sup>+</sup>/K<sup>+</sup>-pump
2009, Biochimica et Biophysica Acta - Molecular and Cell Biology of LipidsFunctional significance of E<inf>2</inf> state stabilization by specific α/β-subunit interactions of Na,K- and H,K-ATPase
2009, Journal of Biological ChemistryRole of β-subunit domains in the assembly, stable expression, intracellular routing, and functional properties of Na,K-ATPase
1998, Journal of Biological Chemistry