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 analysisS461Characterization 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 assays
1997
The Regulation of Glycogen Synthase by Protein Phosphatase 1 in 3T3-L1 Adipocytes EVIDENCE FOR A POTENTIAL ROLE FOR DARPP-32 IN INSULIN ACTION*
Brady M, Nairn A, Saltiel A. The Regulation of Glycogen Synthase by Protein Phosphatase 1 in 3T3-L1 Adipocytes EVIDENCE FOR A POTENTIAL ROLE FOR DARPP-32 IN INSULIN ACTION*. Journal Of Biological Chemistry 1997, 272: 29698-29703. PMID: 9368038, DOI: 10.1074/jbc.272.47.29698.Peer-Reviewed Original ResearchConceptsProtein phosphatase 1PP1 activityGlycogen synthasePhosphatase 1DARPP-32Glycogen synthesisPrimary rat adipocytesPP1 proteinProtein DARPP-32Glycogen synthase activityKinetic lagSynthase activityGlycogen accumulationDifferentiationRat adipocytesAdipocytesFibroblast extractsAdipocyte cellsTotal glycogen synthase activitySynthaseInsulin actionPotential roleSpecific activityParticulate fractionInsulin pretreatment
1995
Modulation of calcium currents by a D1 dopaminergic protein kinase/phosphatase cascade in rat neostriatal neurons
Surmeier D, Bargas J, Hemmings H, Nairn A, Greengard P. Modulation of calcium currents by a D1 dopaminergic protein kinase/phosphatase cascade in rat neostriatal neurons. Neuron 1995, 14: 385-397. PMID: 7531987, DOI: 10.1016/0896-6273(95)90294-5.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthine2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl esterAnimalsBrainCalcium Channel BlockersCalcium ChannelsCells, CulturedColforsinCyclic AMPCyclic AMP-Dependent Protein KinasesElectrophysiologyKineticsMembrane PotentialsNeostriatumNeuronsNifedipinePhosphoprotein PhosphatasesProtein Phosphatase 1RatsRats, WistarReceptors, Dopamine D1TetraethylammoniumTetraethylammonium CompoundsTime FactorsConceptsProtein phosphatase 1Protein kinaseInhibition of PP1Cyclic AMP-dependent protein kinaseAMP-dependent protein kinaseInhibition of PKARat neostriatal neuronsPhosphatase cascadePP1 activityReceptor-mediated activationPhosphatase 1Neostriatal neuronsCalcium currentPKA enhancementDifferential regulationHigh voltage-activated calcium currentsVoltage-activated calcium currentsWhole-cell voltage-clamp techniqueD1 pathwayMedium spiny neuronsCyclic AMP analogueD1 dopamine receptorsL-type currentDiversity of effectsSubset of neurons