1994
Kinetic heterogeneity of phosphoenzyme of Na,K-ATPase modeled by unmixed lipid phases. Competence of the phosphointermediate.
Klodos I, Post R, Forbush B. Kinetic heterogeneity of phosphoenzyme of Na,K-ATPase modeled by unmixed lipid phases. Competence of the phosphointermediate. Journal Of Biological Chemistry 1994, 269: 1734-1743. PMID: 8294422, DOI: 10.1016/s0021-9258(17)42089-8.Peer-Reviewed Original Research
1993
Molecular cloning and immunological characterization of the gamma polypeptide, a small protein associated with the Na,K-ATPase.
Mercer R, Biemesderfer D, Bliss D, Collins J, Forbush B. Molecular cloning and immunological characterization of the gamma polypeptide, a small protein associated with the Na,K-ATPase. Journal Of Cell Biology 1993, 121: 579-586. PMID: 8387529, PMCID: PMC2119561, DOI: 10.1083/jcb.121.3.579.Peer-Reviewed Original ResearchConceptsNa,K-ATPaseGamma subunitK-ATPaseSmall membrane proteinsN-linked glycosylationTissue-specific fashionCardiac glycoside bindingGamma subunit mRNAGamma-specific antibodiesNorthern blot analysisHydropathy analysisSequenced proteinsNAB-ouabainMembrane proteinsGamma polypeptidesMolecular cloningGlycoside bindingSmall proteinsNephron segmentsBeta subunitSubunit mRNAAlpha subunitSubunitAmino acidsHydrophobic domains
1988
Rapid 86Rb release from an occluded state of the Na,K-pump reflects the rate of dephosphorylation or dearsenylation.
Forbush B. Rapid 86Rb release from an occluded state of the Na,K-pump reflects the rate of dephosphorylation or dearsenylation. Journal Of Biological Chemistry 1988, 263: 7961-7969. PMID: 2836403, DOI: 10.1016/s0021-9258(18)68428-5.Peer-Reviewed Original ResearchRapid release of 45Ca from an occluded state of the Na,K-pump.
Forbush B. Rapid release of 45Ca from an occluded state of the Na,K-pump. Journal Of Biological Chemistry 1988, 263: 7970-7978. PMID: 2836404, DOI: 10.1016/s0021-9258(18)68429-7.Peer-Reviewed Original ResearchConceptsNa,K-pumpNa,K-ATPaseK-pumpK-ATPasePhosphorylation of Na,K-ATPaseRelease of 45CaExposure to K+Release of 86RbApparent affinityCa2+Transport sitesK+ congenerMg2+ + ATPIntracellular faceRelease of K+Simultaneous occlusionExtracellular sitesPrevent phosphorylationCa2Exposure to Mg2Extracellular faceReleaseAbsence of PiN-methylglucamineIntracellular medium
1987
Rapid release of 42K and 86Rb from an occluded state of the Na,K-pump in the presence of ATP or ADP.
Forbush B. Rapid release of 42K and 86Rb from an occluded state of the Na,K-pump in the presence of ATP or ADP. Journal Of Biological Chemistry 1987, 262: 11104-11115. PMID: 2440883, DOI: 10.1016/s0021-9258(18)60932-9.Peer-Reviewed Original ResearchRapid release of 42K or 86Rb from two distinct transport sites on the Na,K-pump in the presence of Pi or vanadate.
Forbush B. Rapid release of 42K or 86Rb from two distinct transport sites on the Na,K-pump in the presence of Pi or vanadate. Journal Of Biological Chemistry 1987, 262: 11116-11127. PMID: 2440884, DOI: 10.1016/s0021-9258(18)60933-0.Peer-Reviewed Original Research
1984
Na+ movement in a single turnover of the Na pump.
Forbush B. Na+ movement in a single turnover of the Na pump. Proceedings Of The National Academy Of Sciences Of The United States Of America 1984, 81: 5310-5314. PMID: 6089192, PMCID: PMC391693, DOI: 10.1073/pnas.81.17.5310.Peer-Reviewed Original ResearchAn apparatus for rapid kinetic analysis of isotopic efflux from membrane vesicles and of ligand dissociation from membrane proteins
Forbush B. An apparatus for rapid kinetic analysis of isotopic efflux from membrane vesicles and of ligand dissociation from membrane proteins. Analytical Biochemistry 1984, 140: 495-505. PMID: 6091496, DOI: 10.1016/0003-2697(84)90200-8.Peer-Reviewed Original Research
1983
Assay of Na,K-ATPase in plasma membrane preparations: Increasing the permeability of membrane vesicles using sodium dodecyl sulfate buffered with bovine serum albumin
Forbush B. Assay of Na,K-ATPase in plasma membrane preparations: Increasing the permeability of membrane vesicles using sodium dodecyl sulfate buffered with bovine serum albumin. Analytical Biochemistry 1983, 128: 159-163. PMID: 6303151, DOI: 10.1016/0003-2697(83)90356-1.Peer-Reviewed Original ResearchConceptsMaximal Na,K-ATPase activityAmount of membrane proteinNa,K-ATPase activityElectric organ of eelIsolated plasma membranesNa,K-ATPaseSodium dodecyl sulfate bufferK-ATPase activityPlasma membrane preparationsTransmembrane proteinsMembrane proteinsDetergent bufferPlasma membraneOptimal activityActivity of membranesBovine serum albuminMembrane vesiclesK-ATPasePermeability of membrane vesiclesDetergentDetergent activitySulfate bufferProteinVesicular natureSerum albuminNative Membranes from Dog Kidney Outer Medulla, Enriched in Na,K-ATPase and Vesicular in Nature
Forbush B. Native Membranes from Dog Kidney Outer Medulla, Enriched in Na,K-ATPase and Vesicular in Nature. Current Topics In Membranes 1983, 19: 113-118. DOI: 10.1016/s0070-2161(08)60556-0.Peer-Reviewed Original ResearchDog kidney outer medullaNa,K-ATPaseOuter medullaKidney outer medullaK-ATPaseNa,K-ATPase activityActivity of Na,K-ATPaseK-ATPase activityMembrane vesiclesSucrose gradient centrifugationMedullaNative membranesMammalian kidneyIncreased permeabilityCrude microsomal fractionGradient centrifugationCentrifugation mediumMicrosomal membranes