1999
Inhibition of the Ca2+/Calmodulin-dependent Protein Kinase I Cascade by cAMP-dependent Protein Kinase*
Matsushita M, Nairn A. Inhibition of the Ca2+/Calmodulin-dependent Protein Kinase I Cascade by cAMP-dependent Protein Kinase*. Journal Of Biological Chemistry 1999, 274: 10086-10093. PMID: 10187789, DOI: 10.1074/jbc.274.15.10086.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium-Calmodulin-Dependent Protein Kinase KinaseCalcium-Calmodulin-Dependent Protein Kinase Type 1Calcium-Calmodulin-Dependent Protein Kinase Type 4Calcium-Calmodulin-Dependent Protein KinasesCyclic AMP-Dependent Protein KinasesFeedbackHippocampusPC12 CellsPeptide MappingPhosphorylationProtein Serine-Threonine KinasesRatsSubstrate SpecificityConceptsActivation of PKACAMP-dependent protein kinaseDependent protein kinase IProtein kinaseProtein kinase IThreonine 108Kinase ITwo-dimensional phosphopeptide mappingDependent signal transduction pathwaysInhibition of CaMKKSignal transduction pathwaysIntact PC12 cellsRegulatory phosphorylationPhosphopeptide mappingTransduction pathwaysCaMKI activityCaMKKIntact cellsPhosphorylationPC12 cellsKinaseNegative feedback mechanismEnzyme cascadeEnzyme activityRapid inhibition
1998
Characterization of the Mechanism of Regulation of Ca2+/ Calmodulin-dependent Protein Kinase I by Calmodulin and by Ca2+/Calmodulin-dependent Protein Kinase Kinase*
Matsushita M, Nairn A. Characterization of the Mechanism of Regulation of Ca2+/ Calmodulin-dependent Protein Kinase I by Calmodulin and by Ca2+/Calmodulin-dependent Protein Kinase Kinase*. Journal Of Biological Chemistry 1998, 273: 21473-21481. PMID: 9705275, DOI: 10.1074/jbc.273.34.21473.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCalcium-Calmodulin-Dependent Protein Kinase KinaseCalcium-Calmodulin-Dependent Protein Kinase Type 1Calcium-Calmodulin-Dependent Protein Kinase Type 4Calcium-Calmodulin-Dependent Protein KinasesCalmodulinCloning, MolecularEnzyme ActivationKineticsMolecular Sequence DataPhosphorylationProtein Serine-Threonine KinasesRatsConceptsProtein kinase IAbsence of CaMKinase ICalmodulin-dependent protein kinase IDetailed structure-function analysisDependent protein kinase IDependent protein kinase kinaseProtein kinase kinaseStructure-function analysisMechanism of regulationSpecific amino acidsEnzyme activityKinase kinaseAutoinhibited stateRegulatory domainCatalytic coreCaMKIMutant formsBasal enzyme activitySecond enzymeCaMKKAmino acidsAdditional mutationsMutationsActive form
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 PDBuCellsInhibitionSite-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 ResearchConceptsProtein 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 lossesR221Characterization of the interaction between DARPP-32 and protein phosphatase 1 (PP-1): DARPP-32 peptides antagonize the interaction of PP-1 with binding proteins
Kwon Y, Huang H, Desdouits F, Girault J, Greengard P, Nairn A. Characterization of the interaction between DARPP-32 and protein phosphatase 1 (PP-1): DARPP-32 peptides antagonize the interaction of PP-1 with binding proteins. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 3536-3541. PMID: 9108011, PMCID: PMC20474, DOI: 10.1073/pnas.94.8.3536.Peer-Reviewed Original ResearchConceptsPP-1cPP-1C.PP-1DARPP-32Inhibitor 2Protein phosphatase 1Amino acid sequence analysisAmino acid residuesNH2-terminal regionAcid sequence analysisPhosphoinhibitor-1Threonine residuesPhosphatase 1Inhibitor-1Catalytic subunitCalyculin AOkadaic acidInhibitor proteinActive siteAcid residuesSequence analysisProteinEnzyme activityMotifResidues