2001
Phosphorylation of Protein Phosphatase Inhibitor-1 by Cdk5*
Bibb J, Nishi A, O'Callaghan J, Ule J, Lan M, Snyder G, Horiuchi A, Saito T, Hisanaga S, Czernik A, Nairn A, Greengard P. Phosphorylation of Protein Phosphatase Inhibitor-1 by Cdk5*. Journal Of Biological Chemistry 2001, 276: 14490-14497. PMID: 11278334, DOI: 10.1074/jbc.m007197200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesBrainCalcineurinCarrier ProteinsCDC2 Protein KinaseCyclic AMPCyclic AMP-Dependent Protein KinasesCyclin-Dependent Kinase 5Cyclin-Dependent KinasesGlutamic AcidIntracellular Signaling Peptides and ProteinsKineticsMiceMice, Inbred C57BLMutagenesis, Site-DirectedN-MethylaspartatePhosphoprotein PhosphatasesPhosphorylationProlineProtein Phosphatase 1RabbitsRatsRecombinant ProteinsRNA-Binding ProteinsSerineTime FactorsConceptsProtein phosphatase inhibitor-1Protein phosphatase 1Phosphatase inhibitor-1Ser-67Protein kinasePhosphatase 1CAMP-dependent protein kinase resultsSelective protein kinase inhibitorsCAMP-dependent protein kinaseProtein phosphatase 2AProline-directed kinasesMitogen-activated protein kinaseInhibitor-1Protein kinase resultsSignal transduction eventsPhosphorylation state-specific antibodiesCAMP-dependent protein kinase activationState of phosphorylationProtein kinase inhibitorsProtein kinase activationPhosphatase 2AThr-35Protein phosphatasePhosphorylation sitesGlutamate-dependent regulation
2000
Cellular Mechanisms Regulating Protein Phosphatase-1 A KEY FUNCTIONAL INTERACTION BETWEEN INHIBITOR-2 AND THE TYPE 1 PROTEIN PHOSPHATASE CATALYTIC SUBUNIT*
Frederick D, Huang H, Yang J, Helps N, Cohen P, Nairn A, DePaoli-Roach A, Tatchell K, Connor J, Shenolikar S. Cellular Mechanisms Regulating Protein Phosphatase-1 A KEY FUNCTIONAL INTERACTION BETWEEN INHIBITOR-2 AND THE TYPE 1 PROTEIN PHOSPHATASE CATALYTIC SUBUNIT*. Journal Of Biological Chemistry 2000, 275: 18670-18675. PMID: 10748125, DOI: 10.1074/jbc.m909312199.Peer-Reviewed Original ResearchConceptsPP1 catalytic subunitCatalytic subunitType 1 protein phosphatase catalytic subunitAmino acidsProtein phosphatase catalytic subunitN-terminusProtein serine/threonineN-terminal 35 amino acidsInhibitor 2Phosphatase catalytic subunitTwo-hybrid analysisNovel regulatory interactionsProtein phosphatase 1Serine/threoninePull-down assaysSite-directed mutagenesisN-terminal sequencePP1 mutantsKey functional interactionsPP1 inhibitorPP1 enzymesPP1 inhibitionPhosphatase 1Regulatory interactionsSaccharomyces cerevisiae
1999
Mutation of Tyr307 and Leu309 in the Protein Phosphatase 2A Catalytic Subunit Favors Association with the α4 Subunit Which Promotes Dephosphorylation of Elongation Factor-2 †
Chung H, Nairn A, Murata K, Brautigan D. Mutation of Tyr307 and Leu309 in the Protein Phosphatase 2A Catalytic Subunit Favors Association with the α4 Subunit Which Promotes Dephosphorylation of Elongation Factor-2 †. Biochemistry 1999, 38: 10371-10376. PMID: 10441131, DOI: 10.1021/bi990902g.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnion Exchange ResinsBacterial ProteinsCatalytic DomainChromatography, Ion ExchangeCOS CellsHemagglutininsLectinsLeucineMutagenesis, Site-DirectedOligopeptidesPeptide Elongation Factor 2Peptide Elongation FactorsPeptidesPhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationPrecipitin TestsProtein Phosphatase 2Resins, SyntheticTransfectionTyrosineConceptsAlpha 4 proteinElongation factor 2AC dimerC subunitSpecific intracellular substratesProtein phosphatase 2ASites of phosphorylationAbc trimerCOS-7 cellsFactor 2B subunitC-terminal residuesTOR proteinsPhosphatase 2ANovel subunitCatalytic subunitTransient overexpressionSubstrate specificityCellular locationIntracellular substratesTransient expressionP70S6 kinaseSingle mutationProtein synthesisSubunitsCharacterization of the Inhibition of Protein Phosphatase-1 by DARPP-32 and Inhibitor-2*
Huang H, Horiuchi A, Watanabe T, Shih S, Tsay H, Li H, Greengard P, Nairn A. Characterization of the Inhibition of Protein Phosphatase-1 by DARPP-32 and Inhibitor-2*. Journal Of Biological Chemistry 1999, 274: 7870-7878. PMID: 10075680, DOI: 10.1074/jbc.274.12.7870.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acid SubstitutionAnimalsCatalytic DomainDopamine and cAMP-Regulated Phosphoprotein 32Enzyme InhibitorsHumansMolecular Sequence DataMolecular WeightMuscle ProteinsMutagenesis, Site-DirectedNerve Tissue ProteinsPhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationProtein Phosphatase 1ProteinsRabbitsSerineThreonine
1997
Regulation of rat Na+-K+-ATPase activity by PKC is modulated by state of phosphorylation of Ser-943 by PKA
Cheng X, Höög J, Nairn A, Greengard P, Aperia A. Regulation of rat Na+-K+-ATPase activity by PKC is modulated by state of phosphorylation of Ser-943 by PKA. American Journal Of Physiology 1997, 273: c1981-c1986. PMID: 9435504, DOI: 10.1152/ajpcell.1997.273.6.c1981.Peer-Reviewed Original ResearchMeSH KeywordsAlanineAmino Acid SubstitutionAnimalsColforsinCOS CellsCyclic AMPCyclic AMP-Dependent Protein KinasesCytosolDichlororibofuranosylbenzimidazoleEnzyme ActivationHomeostasisIsoenzymesKineticsMutagenesis, Site-DirectedPhorbol 12,13-DibutyratePhosphorylationProtein Kinase CRatsRecombinant ProteinsSerineSodium-Potassium-Exchanging ATPaseThionucleotidesTransfectionConceptsProtein kinase AProtein kinase CATPase alpha 1State of phosphorylationEffect of PKCWild-type enzymeSpecific PKA activatorActivity of PKCEnzyme activityAlpha 1Direct phosphorylationCOS cellsATPase alphaKinase ASer-23Kinase CPKA activatorPhosphorylationPKA systemPhorbol esterATPase activityMutantsEffect of PDBuCellsInhibitionMutation of the Protein Kinase C Phosphorylation Site on Rat α1 Na+,K+-ATPase Alters Regulation of Intracellular Na+ and pH and Influences Cell Shape and Adhesiveness*
Belusa R, Wang Z, Matsubara T, Sahlgren B, Dulubova I, Nairn A, Ruoslahti E, Greengard P, Aperia A. Mutation of the Protein Kinase C Phosphorylation Site on Rat α1 Na+,K+-ATPase Alters Regulation of Intracellular Na+ and pH and Influences Cell Shape and Adhesiveness*. Journal Of Biological Chemistry 1997, 272: 20179-20184. PMID: 9242694, DOI: 10.1074/jbc.272.32.20179.Peer-Reviewed Original ResearchConceptsProtein kinase CProtein kinase APhosphorylation sitesProtein kinase C phosphorylation sitesKinase C phosphorylation sitesC phosphorylation sitesSites of phosphorylationATPase alpha1Influences cell shapePKC phosphorylation sitesEukaryotic cellsATP hydrolysisPKC phosphorylationRat α1COS cellsCell shapeKinase AWild typeSer-23Kinase CCell adhesionFunctional roleAlters regulationUntransfected cellsPhosphorylationSite-directed mutagenesis of amino acid residues of protein phosphatase 1 involved in catalysis and inhibitor binding
Huang H, Horiuchi A, Goldberg J, Greengard P, Nairn A. Site-directed mutagenesis of amino acid residues of protein phosphatase 1 involved in catalysis and inhibitor binding. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 3530-3535. PMID: 9108010, PMCID: PMC20473, DOI: 10.1073/pnas.94.8.3530.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesEnzyme InhibitorsMutagenesis, Site-DirectedMutationPhosphoprotein PhosphatasesProtein BindingProtein Phosphatase 1RabbitsConceptsProtein phosphatase 1Site-directed mutagenesisActive site residuesOkadaic acidPhosphatase 1Calyculin AMammalian protein phosphatase 1PP-1Site residuesEnzyme activityMutation of residuesAmino acid residuesMechanism of catalysisActive siteInhibitor bindingAcid residuesInhibitory proteinMutationsResiduesMutagenesisDivalent cationsToxinY272Large lossesR221
1995
Phosphorylation of DARPP-32, a Dopamine- and cAMP-regulated Phosphoprotein, by Casein Kinase I in Vitro and in Vivo *
Desdouits F, Cohen D, Nairn A, Greengard P, Girault J. Phosphorylation of DARPP-32, a Dopamine- and cAMP-regulated Phosphoprotein, by Casein Kinase I in Vitro and in Vivo *. Journal Of Biological Chemistry 1995, 270: 8772-8778. PMID: 7721783, DOI: 10.1074/jbc.270.15.8772.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCasein KinasesCattleCorpus StriatumCyclic AMPDNA PrimersDopamineDopamine and cAMP-Regulated Phosphoprotein 32Electrophoresis, Polyacrylamide GelHumansMolecular Sequence DataMutagenesis, Site-DirectedNerve Tissue ProteinsNeuronsPeptide MappingPhosphoproteinsPhosphorylationProtein KinasesRabbitsRatsSubstantia NigraConceptsCasein kinase IProtein phosphatase 1Kinase ISer-137Phosphatase 1Ser-189DARPP-32CAMP-dependent protein kinasePhosphatase-1 inhibitorStoichiometry of phosphorylationSite-directed mutagenesisSpecific cell populationsProtein kinaseProtein sequencingSeryl residuesAcidic residuesThr-34PhosphorylationPhosphate/Presence of SDSChoroid plexus epithelial cellsResiduesCell populationsElectrophoretic mobilityEpithelial cells
1994
Identification of the phosphorylation site for cAMP-dependent protein kinase on Na+,K(+)-ATPase and effects of site-directed mutagenesis.
Fisone G, Cheng S, Nairn A, Czernik A, Hemmings H, Höög J, Bertorello A, Kaiser R, Bergman T, Jörnvall H. Identification of the phosphorylation site for cAMP-dependent protein kinase on Na+,K(+)-ATPase and effects of site-directed mutagenesis. Journal Of Biological Chemistry 1994, 269: 9368-9373. PMID: 7510709, DOI: 10.1016/s0021-9258(17)37117-x.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthineAmino Acid SequenceAnimalsBase SequenceColforsinCyclic AMP-Dependent Protein KinasesDNA PrimersKineticsMolecular Sequence DataMutagenesis, Site-DirectedPeptide MappingPeptidesPhosphoserineRatsRecombinant ProteinsSodium-Potassium-Exchanging ATPaseStructure-Activity RelationshipConceptsCAMP-dependent protein kinasePhosphorylation sitesProtein kinaseSignal transduction pathwaysWild-type enzymeSite-directed mutagenesisATPase alpha subunitAlpha 1 isoformCatalytic subunitTransduction pathwaysDependent phosphorylationSeryl residuesCOS cellsAlpha subunitIntact cellsATPaseKinasePhosphorylationEnzymeSubunitsCellsExperimental approachMutagenesisCDNAIsoforms