Research Article

Basal Glutathionylation of Na,K-ATPase α-Subunit Depends on Redox Status of Cells during the Enzyme Biosynthesis

Table 1

Structures of Na,K-ATPase from pig kidney with resolution better than 4 .

PDB ID3B8E3KDP3WGU3WGV4HYT

Resolution3.50 3.50 2.80 2.80 3.40 

Species, organPig kidneyPig kidneyPig kidneyPig kidneyPig kidney

ConformationE2PE1PE1P with oligomycinE2P with ouabain

MethodVapor diffusion and hanging dropVapor diffusionVapor diffusion and hanging dropVapor diffusion and hanging dropHanging drop

pH7.07.06.26.26.2

Temperature292.0 K292.0 K283.0 K283.0 K292.0 K

Details14% PEG 2000 mme, 0.2 M choline chloride, 4% glycerol, 4% MPD, 0.04 M DTT, and 0.1–0.4% beta-DDM14% PEG 2000 mme, 0.2 M choline chloride, 4% glycerol, 4% MPD, 0.04 M DTT, and 0.1–0.4% beta-DDMNa,K-ATPase was incubated with a buffer, 150 mM NaCl, 1 mM , 4 mM NaF, 4 mM ADP, 3 mM , 2 mM glutathione, and 20 mM MOPS/n-methyl-D-glucamine (NMDG), pH 7.1, and treated with 1.95% (w/v) octaethylene glycol mono-n-dodecyl ether (C12E8) at a mass ratio (C12E8/protein) of 1.3 and separated from the insoluble fraction by centrifugation at 200.000 g and 10 uC; 17.5% PEG 2000 mme, 10% glycerol, 200 mM NaCl, 50 mM MES-NMDGNa,K-ATPase was incubated with a buffer, 150 mM NaCl, 1 mM , 4 mM NaF, 4 mM ADP, 3 mM , 2 mM glutathione, and 20 mM MOPS/n-methyl-D-glucamine (NMDG), pH 7.1, with 0.25 mM oligomycin A and treated with 1.95% (w/v) octaethylene glycol mono-n-dodecyl ether (C12E8) at a mass ratio (C12E8/protein) of 1.3 and separated from the insoluble fraction by centrifugation at 200.000 g and 10 uC; 17.5% PEG 2000 mme, 10% glycerol, 200 mM NaCl, 50 mM MES-NMDG16-17% PEG 2000 mme, 10% glycerol, 200 mM , 100 mM MES-NMDG, pH 6.2, 100 mM urea, 5% tert-butanol, 5 mM DTT, and 1.6 mM sucrose monodecanoate

Reference[20][20][21][21][22]