3',5'-Cyclic-AMP Phosphodiesterases2',3'-Cyclic-Nucleotide PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 1Phosphoric Diester HydrolasesCyclic Nucleotide Phosphodiesterases, Type 3Phosphodiesterase InhibitorsNucleotides, Cyclic3',5'-Cyclic-GMP PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 4CalmodulinCyclic GMPCyclic AMPRolipramPhosphodiesterase 3 Inhibitors4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinoneCyclic Nucleotide Phosphodiesterases, Type 71-Methyl-3-isobutylxanthinePhosphodiesterase 4 InhibitorsCyclic Nucleotide Phosphodiesterases, Type 5KineticsPurinonesIsoenzymesCattlePyrrolidinonesPapaverineTheophyllineCyclic Nucleotide Phosphodiesterases, Type 2Calmodulin-Binding ProteinsEnzyme ActivationPhosphodiesterase ICalciumXanthinesMilrinoneAdenylate CyclaseMolecular Sequence DataBrainTrifluoperazineAmino Acid SequenceNucleotidesCalcium-Binding ProteinsDictyosteliumMolecular WeightBucladesineIsoproterenolCyclic AMP-Dependent Protein KinasesPhosphodiesterase 5 InhibitorsMyocardiumBase SequenceColforsinTrypsinHydrolysisQuinolonesSubstrate SpecificityChromatography, AffinityChromatography, Ion ExchangeEgtazic AcidCloning, MolecularDibutyryl Cyclic GMPSubcellular FractionsProtein KinasesBinding SitesCells, CulturedAmino AcidsRats, Inbred StrainsRNA, MessengerGene Expression Regulation, EnzymologicProtein BindingDose-Response Relationship, DrugCyclic Nucleotide-Gated Cation ChannelsEnzyme InhibitorsGuinea PigsPhosphorylationPyrophosphatasesCyclic IMPRabbitsCyclic Nucleotide Phosphodiesterases, Type 6CytosolCell LineCarrier ProteinsPeptide FragmentsLiverAdenine NucleotidesRecombinant ProteinsSignal TransductionCations, DivalentGuanine NucleotidesSequence Homology, Amino AcidSulfonesRats, Sprague-DawleyPolymorphism, Single NucleotidePurines8-Bromo Cyclic Adenosine MonophosphateGuanylate CyclaseCyclic GMP-Dependent Protein KinasesPhotoreceptor CellsProtein Structure, TertiaryVinca AlkaloidsTransducinBinding, CompetitiveChromatography, Gel