PhosphorylationProtein-Serine-Threonine KinasesSerineDopamine AgonistsProtein KinasesAmino Acid SequenceMolecular Sequence DataSignal TransductionGABA AgonistsCell LineEnzyme ActivationPhosphoserineThreonineProtein BindingCasein Kinase IIPurinergic P1 Receptor AgonistsPhosphothreonineMuscarinic AgonistsNicotinic AgonistsSubstrate SpecificityDose-Response Relationship, DrugAdrenergic AgonistsAdrenergic alpha-2 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsCells, CulturedAdrenergic beta-AgonistsSerotonin 5-HT1 Receptor AgonistsHistamine AgonistsTransfectionProtein Kinase CPurinergic P2 Receptor AgonistsCyclic AMP-Dependent Protein KinasesCasein KinasesRibosomal Protein S6 Kinases, 90-kDaBinding SitesProtein-Tyrosine KinasesHeLa CellsGlycogen Synthase Kinase 3Recombinant Fusion ProteinsGABA-A Receptor AgonistsCell Cycle ProteinsRats, Sprague-DawleyKineticsRecombinant ProteinsCOS CellsCDC2 Protein KinaseProtein Structure, TertiaryMutationCholinergic AgonistsAdenosine A1 Receptor AgonistsCalcium-Calmodulin-Dependent Protein KinasesHEK293 CellsCyclic AMPAdrenergic alpha-AgonistsCyclin-Dependent Kinase 5Intracellular Signaling Peptides and ProteinsAdrenergic alpha-1 Receptor Agonists14-3-3 ProteinsExcitatory Amino Acid AgonistsTyrosinePeptide MappingPhosphoproteinsCalciumCannabinoid Receptor AgonistsDNA-Binding ProteinsImmunoprecipitationAdrenergic beta-3 Receptor AgonistsCricetinaeModels, BiologicalAntibodies, Phospho-SpecificReceptors, Opioid, muCHO CellsNuclear ProteinsMutagenesis, Site-DirectedLigandsProto-Oncogene ProteinsPhosphotransferases (Alcohol Group Acceptor)Enzyme InhibitorsTranscription FactorsAdenosine A3 Receptor AgonistsPrecipitin TestsReceptors, Opioid, kappaProto-Oncogene Proteins c-aktMitosissrc-Family KinasesGlutathione TransferaseRadioligand AssayMitogen-Activated Protein KinasesPhosphopeptidesGABA-B Receptor AgonistsBlotting, WesternSequence Homology, Amino AcidRats, WistarIsoproterenolCell NucleusReceptors, Opioid, deltaSerotonin 5-HT4 Receptor AgonistsImmunoblottingPeptide FragmentsCasein Kinase I