Cyclic AMP-Dependent Protein Kinase RIalpha SubunitCyclic AMP-Dependent Protein KinasesCyclic AMPProtein KinasesProtein Kinase CPhosphorylationCalcium-Calmodulin-Dependent Protein KinasesEnzyme ActivationProtein Kinase InhibitorsCalcium-Calmodulin-Dependent Protein Kinase Type 2Calcium-Calmodulin-Dependent Protein Kinase Type 1CalciumCyclic AMP-Dependent Protein Kinase Type IIProtein-Serine-Threonine KinasesCyclic GMP-Dependent Protein KinasesMolecular Sequence DataSignal TransductionAmino Acid SequenceKineticsCalmodulinIsoenzymesMitogen-Activated Protein KinasesCell LineParamecium tetraureliaMAP Kinase Signaling SystemPhosphatidylinositol 3-KinasesCells, Culturedp38 Mitogen-Activated Protein KinasesProtein BindingEnzyme InhibitorseIF-2 KinaseCyclic GMPTetradecanoylphorbol AcetateBase SequenceProtein Kinase C-alphaMutationSubstrate Specificity