2000
Severed Channels Probe Regulation of Gating of Cystic Fibrosis Transmembrane Conductance Regulator by Its Cytoplasmic Domains
Csanády L, Chan K, Seto-Young D, Kopsco D, Nairn A, Gadsby D. Severed Channels Probe Regulation of Gating of Cystic Fibrosis Transmembrane Conductance Regulator by Its Cytoplasmic Domains. The Journal Of General Physiology 2000, 116: 477-500. PMID: 10962022, PMCID: PMC2233695, DOI: 10.1085/jgp.116.3.477.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAdenylyl ImidodiphosphateAnimalsBase SequenceCyclic AMP-Dependent Protein KinasesCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorDNA PrimersFemaleHumansIn Vitro TechniquesIon Channel GatingModels, BiologicalMutationOocytesPhosphorylationProtein Structure, TertiaryRecombinant ProteinsXenopusConceptsR domainCFTR channelsPhosphorylated R domainWild-type CFTR channelsCytoplasmic regulatory domainCystic fibrosis transmembrane conductance regulatorNucleotide Binding DomainFibrosis transmembrane conductance regulatorDetailed functional characteristicsWT channelsApparent ATP affinityTransmembrane conductance regulatorCFTR Cl- channelPresence of PKANonhydrolyzable ATP analogue AMPPNPATP analogue AMPPNPATP bindingRegulatory domainCytoplasmic domainWt-CFTRBinding domainsGating eventsConductance regulatorATP affinityFunctional interactionCellular 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
Modulation of GT-1 DNA-binding activity by calcium-dependent phosphorylation
Maréchal E, Hiratsuka K, Delgado J, Nairn A, Qin J, Chait B, Chua N. Modulation of GT-1 DNA-binding activity by calcium-dependent phosphorylation. Plant Molecular Biology 1999, 40: 373-386. PMID: 10437822, DOI: 10.1023/a:1006131330930.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsArabidopsisBase SequenceBinding SitesCalciumCalcium-Calmodulin-Dependent Protein Kinase Type 2Calcium-Calmodulin-Dependent Protein KinasesDNA PrimersDNA-Binding ProteinsIn Vitro TechniquesMolecular Sequence DataNuclear ProteinsPhosphorylationPlants, ToxicRatsRecombinant ProteinsSequence Homology, Amino AcidSubstrate SpecificityTranscription FactorsConceptsDNA-binding activityCalcium-dependent phosphorylationGene expressionMolecular switchGT-1Analysis of mutantsDNA-binding proteinsLight-grown plantsPost-translational modificationsCalf intestine phosphataseCalcium/calmodulin kinasePhosphorylatable residuesCasein kinaseGene activationMass spectrometry analysisPromoter sequencesDNA bindingKinase activityBoxIICalmodulin kinasePhosphorylationHGT-1Novo synthesisDephosphorylationSpectrometry analysis
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