2001
Opposing Changes in Phosphorylation of Specific Sites in Synapsin I During Ca2+-Dependent Glutamate Release in Isolated Nerve Terminals
Jovanovic J, Sihra T, Nairn A, Hemmings H, Greengard P, Czernik A. Opposing Changes in Phosphorylation of Specific Sites in Synapsin I During Ca2+-Dependent Glutamate Release in Isolated Nerve Terminals. Journal Of Neuroscience 2001, 21: 7944-7953. PMID: 11588168, PMCID: PMC6763853, DOI: 10.1523/jneurosci.21-20-07944.2001.Peer-Reviewed Original ResearchConceptsDependent dephosphorylationProtein phosphatase 2AMultiple protein kinasesPhosphorylation site 1Protein phosphatase 2BSynapsin IPhosphatase 2APhosphorylation sitesPhosphatase 2BSynapsin functionProtein kinaseDependent phosphorylationSynapsin I phosphorylationDephosphorylation processNeuronal phosphoproteinSynapsin I.Synaptic vesiclesCalcineurin activityPhosphorylationI phosphorylationDephosphorylationNeurotransmitter releaseSpecific sitesExcellent substrateSite 1Mechanisms for Increased Levels of Phosphorylation of Elongation Factor-2 during Hibernation in Ground Squirrels †
Chen Y, Matsushita M, Nairn A, Damuni Z, Cai D, Frerichs K, Hallenbeck J. Mechanisms for Increased Levels of Phosphorylation of Elongation Factor-2 during Hibernation in Ground Squirrels †. Biochemistry 2001, 40: 11565-11570. PMID: 11560506, DOI: 10.1021/bi010649w.Peer-Reviewed Original ResearchConceptsEukaryotic elongation factor 2EEF-2 phosphorylationElongation factor 2Elongation phaseEEF-2 kinase activityProtein phosphatase 2AGround squirrelsLevel of phosphorylationFactor 2Phosphatase 2ACellular functionsCatalytic subunitUncharacterized mechanismKinase activityInhibitor 2Protein synthesisPhosphorylationPP2AHibernating animalsActive animalsHibernatorsReversible mechanismSevere reductionSquirrelsHibernationAngiotensin II regulates phosphorylation of translation elongation factor-2 in cardiac myocytes
Everett A, Stoops T, Nairn A, Brautigan D. Angiotensin II regulates phosphorylation of translation elongation factor-2 in cardiac myocytes. AJP Heart And Circulatory Physiology 2001, 281: h161-h167. PMID: 11406481, DOI: 10.1152/ajpheart.2001.281.1.h161.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAnimalsCells, CulturedChromonesEnzyme InhibitorsMitogen-Activated Protein KinasesMorpholinesMyocardiumPeptide Elongation Factor 2Phosphoprotein PhosphatasesPhosphorylationProtein BiosynthesisProtein Phosphatase 2RatsRats, Sprague-DawleyReceptor, Angiotensin, Type 1Receptor, Angiotensin, Type 2Receptors, AngiotensinSignal TransductionSirolimusConceptsEukaryotic elongation factor 2Mitogen-activated protein kinaseElongation factor 2Protein phosphatase 2A inhibitor okadaic acidTranslation elongation factor 2Protein synthesisInhibitor okadaic acidFactor 2Rapamycin (mTOR) inhibitor rapamycinProtein translationDephosphorylated statePolypeptide elongationII-dependent increaseProtein kinaseEEF2 kinaseOkadaic acidDependent regulationInhibitor FK506MAPK activationPD 98059Cardiac myocytesDephosphorylationInhibitor rapamycinNeonatal cardiac myocytesRat neonatal cardiac myocytesProtein phosphatase 1 regulation by inhibitors and targeting subunits
Watanabe T, Huang H, Horiuchi A, da Cruze Silva E, Hsieh-Wilson L, Allen P, Shenolikar S, Greengard P, Nairn A. Protein phosphatase 1 regulation by inhibitors and targeting subunits. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 3080-3085. PMID: 11248035, PMCID: PMC30610, DOI: 10.1073/pnas.051003898.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCell LineChromosomal Proteins, Non-HistoneDNA-Binding ProteinsDopamine and cAMP-Regulated Phosphoprotein 32Enzyme InhibitorsGene ExpressionHistone ChaperonesMicrofilament ProteinsMolecular Sequence DataMyelin Basic ProteinNerve Tissue ProteinsPhosphoprotein PhosphatasesPhosphoproteinsProtein Phosphatase 1ProteinsRabbitsRecombinant Fusion ProteinsSpodopteraSubstrate SpecificityTranscription FactorsConceptsProtein phosphatase 1Native protein phosphatase-1PP1 nuclear targeting subunitPhosphotyrosine-containing substratesInhibitor 2Protein phosphatase 1 regulationRecombinant protein phosphatase 1Sf9 insect cellsC-terminal sequencesLoss of interactionTargeting subunitPP1/Phosphatase 1Insect cellsResidues 274Inhibitor proteinRecombinant proteinsProtein inhibitorSubunitsEscherichia coliY272Corresponding regionPhosphorylase a.MutationsRegulationPhosphorylation 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
Amplification of dopaminergic signaling by a positive feedback loop
Nishi A, Bibb J, Snyder G, Higashi H, Nairn A, Greengard P. Amplification of dopaminergic signaling by a positive feedback loop. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 12840-12845. PMID: 11050161, PMCID: PMC18851, DOI: 10.1073/pnas.220410397.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcineurinCocaineCyclic AMP-Dependent Protein KinasesCyclin-Dependent Kinase 5Cyclin-Dependent KinasesDopamineDopamine and cAMP-Regulated Phosphoprotein 32FeedbackIn Vitro TechniquesMiceMice, Inbred C57BLNeostriatumNerve Tissue ProteinsPhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationProtein Phosphatase 2Receptors, Dopamine D1Receptors, Dopamine D2Signal TransductionConceptsState of phosphorylationProtein kinaseThr-75Protein phosphatase 2A activityCAMP-dependent protein kinasePhosphatase 2A activityCyclin-dependent kinase 5DARPP-32Dopamine D1 receptor-mediated activationDopamine D2 receptor stimulationStriatal DARPP-32Receptor-mediated activationD2 receptor stimulationAction of dopamineEffects of dopaminePositive feedback loopPKA signalingKinase 5Inhibitory constraintPhosphorylationAcute cocaineWhole animalNeostriatal slicesReceptor stimulationDopaminergic signalingLetter to the Editor: Backbone 1H, 15N, and 13C resonance assignments of inhibitor-2 – a protein inhibitor of protein phosphatase-1
Huang H, Chen Y, Tsai L, Wang H, Lin F, Horiuchi A, Greengard P, Nairn A, Shiao M, Lin T. Letter to the Editor: Backbone 1H, 15N, and 13C resonance assignments of inhibitor-2 – a protein inhibitor of protein phosphatase-1. Journal Of Biomolecular NMR 2000, 17: 359-360. PMID: 11014604, DOI: 10.1023/a:1008355428294.Peer-Reviewed Original ResearchRegulation of Phosphorylation of the GluR1 AMPA Receptor in the Neostriatum by Dopamine and Psychostimulants In Vivo
Snyder G, Allen P, Fienberg A, Valle C, Huganir R, Nairn A, Greengard P. Regulation of Phosphorylation of the GluR1 AMPA Receptor in the Neostriatum by Dopamine and Psychostimulants In Vivo. Journal Of Neuroscience 2000, 20: 4480-4488. PMID: 10844017, PMCID: PMC6772453, DOI: 10.1523/jneurosci.20-12-04480.2000.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzazepinesCentral Nervous System StimulantsDopamineDopamine and cAMP-Regulated Phosphoprotein 32In Vitro TechniquesMaleMethamphetamineMiceMice, Inbred C57BLMice, KnockoutMicrowavesNeostriatumNerve Tissue ProteinsOkadaic AcidPhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationProtein Phosphatase 1Protein Phosphatase 2Receptors, AMPAReceptors, Dopamine D1Receptors, Dopamine D2Recombinant Fusion ProteinsSerineConceptsCAMP-dependent protein kinaseProtein phosphatase 2A.AMPA-type glutamate receptorsCalmodulin-dependent kinase IICalcium/calmodulin-dependent kinase IIRegulation of phosphorylationProtein kinase CPhosphatase 2A.Protein kinaseKinase IIPhosphorylation of GluR1Kinase CGluR1 AMPA receptorsPhosphorylationCellular effectorsGlutamate receptorsDARPP-32Physiological activityAMPA receptorsPsychostimulant cocaineChannel conductanceReceptorsD1-type dopamine receptorsActivationVivoCellular 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 cerevisiaeRegulation of protein phosphatase-1
Aggen J, Nairn A, Chamberlin R. Regulation of protein phosphatase-1. Cell Chemical Biology 2000, 7: r13-r23. PMID: 10662690, DOI: 10.1016/s1074-5521(00)00069-7.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsGene Expression Regulation, EnzymologicHumansMolecular Sequence DataPhosphoprotein PhosphatasesProtein Phosphatase 1Regulatory Sequences, Nucleic Acid
1999
Regulation of Neurabin I Interaction with Protein Phosphatase 1 by Phosphorylation †
McAvoy T, Allen P, Obaishi H, Nakanishi H, Takai Y, Greengard P, Nairn A, Hemmings H. Regulation of Neurabin I Interaction with Protein Phosphatase 1 by Phosphorylation †. Biochemistry 1999, 38: 12943-12949. PMID: 10504266, DOI: 10.1021/bi991227d.Peer-Reviewed Original ResearchConceptsProtein phosphatase 1Neurabin IPP1 activityPhosphatase 1Two-hybrid interaction analysisActin-binding proteinsCo-immunoprecipitation experimentsMimic phosphorylationSerine 461Phosphorylated residuesGlutathione S-transferaseOverlay assaysFusion proteinSignaling mechanismGamma isoformsCAMP pathwayPhosphorylationS-transferaseProteinTryptic digestPKARegulationHPLC-MS analysisInteraction analysisS461Mutation 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 synthesisSubunitsBeyond the Dopamine Receptor the DARPP-32/Protein Phosphatase-1 Cascade
Greengard P, Allen P, Nairn A. Beyond the Dopamine Receptor the DARPP-32/Protein Phosphatase-1 Cascade. Neuron 1999, 23: 435-447. PMID: 10433257, DOI: 10.1016/s0896-6273(00)80798-9.Peer-Reviewed Original ResearchRole of Calcineurin and Protein Phosphatase‐2A in the Regulation of DARPP‐32 Dephosphorylation in Neostriatal Neurons
Nishi A, Snyder G, Nairn A, Greengard P. Role of Calcineurin and Protein Phosphatase‐2A in the Regulation of DARPP‐32 Dephosphorylation in Neostriatal Neurons. Journal Of Neurochemistry 1999, 72: 2015-2021. PMID: 10217279, DOI: 10.1046/j.1471-4159.1999.0722015.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcineurinCalcineurin InhibitorsCyclosporineDopamine and cAMP-Regulated Phosphoprotein 32Drug CombinationsDrug SynergismEnzyme InhibitorsIn Vitro TechniquesMaleMarine ToxinsMiceMice, Inbred C57BLNeostriatumNerve Tissue ProteinsNeuronsOkadaic AcidOxazolesPhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationProtein Phosphatase 1Protein Phosphatase 2ConceptsProtein phosphatase 1Protein phosphatase 2AOkadaic acidPhosphorylated DARPP-32DARPP-32 phosphorylationPhosphatase 2APP-2ADARPP-32Cyclic AMP-dependent protein kinaseAMP-dependent protein kinasePP-2A activityRole of calcineurinPhosphatase 1Calyculin AMouse neostriatal slicesProtein kinaseAction of cyclosporinDependent activationCalcineurinPresence of cyclosporinPhosphorylationDephosphorylationSynergistic increaseThr34Potent inhibitorCharacterization of the Neuronal Targeting Protein Spinophilin and Its Interactions with Protein Phosphatase-1 †
Hsieh-Wilson L, Allen P, Watanabe T, Nairn A, Greengard P. Characterization of the Neuronal Targeting Protein Spinophilin and Its Interactions with Protein Phosphatase-1 †. Biochemistry 1999, 38: 4365-4373. PMID: 10194355, DOI: 10.1021/bi982900m.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesCell LineDopamine and cAMP-Regulated Phosphoprotein 32HumansMicrofilament ProteinsNerve Tissue ProteinsNeuronsPeptide FragmentsPeptidesPhosphoprotein PhosphatasesPhosphoproteinsProtein Phosphatase 1Protein Structure, TertiaryProteinsRabbitsSequence Homology, Amino AcidConceptsProtein phosphatase 1Ability of spinophilinPhosphatase 1PP1 regulatory subunitClass of proteinsAmino acids 447Cell cycle progressionPP1 activityPentapeptide motifRegulatory subunitCellular processesDeletion analysisDistinct subdomainsSubstrate specificityBinding domainsPhysiological substratesMutational analysisNeuronal proteinsProtein spinophilinCompetition binding assaysHigh-affinity binding domainsDARPP-32SpinophilinPostsynaptic densityBinding assaysThe design, synthesis, and biological evaluation of analogues of the serine-threonine protein phosphatase 1 and 2A selective inhibitor microcystin LA: rational modifications imparting PP1 selectivity
Aggen J, Humphrey J, Gauss C, Huang H, Nairn A, Chamberlin A. The design, synthesis, and biological evaluation of analogues of the serine-threonine protein phosphatase 1 and 2A selective inhibitor microcystin LA: rational modifications imparting PP1 selectivity. Bioorganic & Medicinal Chemistry 1999, 7: 543-564. PMID: 10220039, DOI: 10.1016/s0968-0896(98)00254-5.Peer-Reviewed Original ResearchConceptsPP1 selectivityProtein phosphatase 1Serine-threonine proteinMicrocystin-LAFirst-generation analogsSmall molecule inhibitorsPhosphatase 1Observed selectivityBiological evaluationMolecular modeling analysisMolecule inhibitorsRational modificationSelectivityStructural modificationsSynthesisAnaloguesInhibition assaysPP1MicrocystinsProteinLaModificationAssaysInhibitorsCharacterization 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 1ProteinsRabbitsSerineThreonineRegulation of CFTR Cl- ion channels by phosphorylation and dephosphorylation.
Gadsby D, Nairn A. Regulation of CFTR Cl- ion channels by phosphorylation and dephosphorylation. Advances In Second Messenger And Phosphoprotein Research 1999, 33: 79-106. PMID: 10218115, DOI: 10.1016/s1040-7952(99)80006-8.Peer-Reviewed Original ResearchAdenosine TriphosphateBinding SitesCalcium-Calmodulin-Dependent Protein KinasesCyclic AMP-Dependent Protein KinasesCyclic GMP-Dependent Protein KinasesCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorHumansIon Channel GatingModels, MolecularPhosphoprotein PhosphatasesPhosphorylationProtein Kinase CControl of CFTR Channel Gating by Phosphorylation and Nucleotide Hydrolysis
GADSBY D, NAIRN A. Control of CFTR Channel Gating by Phosphorylation and Nucleotide Hydrolysis. Physiological Reviews 1999, 79: s77-s107. PMID: 9922377, DOI: 10.1152/physrev.1999.79.1.s77.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCystic Fibrosis Transmembrane Conductance RegulatorHumansHydrolysisIon Channel GatingModels, BiologicalNucleotidesPhosphoprotein PhosphatasesPhosphorylationProtein KinasesConceptsNucleotide-binding domainCFTR channelsCytoplasmic nucleotide-binding domainsNucleotide hydrolysisChannel gatingDependent phosphorylation eventsCystic fibrosis transmembrane conductance regulator (CFTR) Cl(-) channelCFTR channel currentsCFTR channel gatingATP moleculesLarge cytoplasmic domainCommon lethal genetic diseaseSecond ATP moleculeSingle CFTR channelsATP hydrolysis cycleLethal genetic diseasePhosphorylation eventsGating cycleRegulatory domainCytoplasmic domainDifferent phosphoformsProgressive phosphorylationMultiple proteinsProtein productsHydrolysis cycleProtein phosphatase 1 modulation of neostriatal AMPA channels: regulation by DARPP–32 and spinophilin
Yan Z, Hsieh–Wilson L, Feng J, Tomizawa K, Allen P, Fienberg A, Nairn A, Greengard P. Protein phosphatase 1 modulation of neostriatal AMPA channels: regulation by DARPP–32 and spinophilin. Nature Neuroscience 1999, 2: 13-17. PMID: 10195174, DOI: 10.1038/4516.Peer-Reviewed Original ResearchConceptsPP-1Protein phosphatase 1DARPP-32Distinct molecular mechanismsPhosphatase 1Molecular mechanismsAMPA receptor-mediated synaptic transmissionPostsynaptic densityAMPA channelsRegulationSynaptic plasticitySpinophilinNeostriatal neuronsPlasticityPhysiological evidenceGlutamate channelsSynaptic transmissionAMPA receptorsPhosphoproteinProteinMechanismBindingActivityModulationCatalytic activity