Cyclic Nucleotide Phosphodiesterases, Type 13',5'-Cyclic-AMP PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 5Cyclic Nucleotide Phosphodiesterases, Type 4Cyclic Nucleotide Phosphodiesterases, Type 3Cyclic Nucleotide Phosphodiesterases, Type 23',5'-Cyclic-GMP PhosphodiesterasesPhosphoric Diester Hydrolases2',3'-Cyclic-Nucleotide PhosphodiesterasesNucleotides, CyclicPhosphodiesterase InhibitorsCyclic GMPCyclic Nucleotide Phosphodiesterases, Type 7Cyclic AMPRolipramPurinones1-Methyl-3-isobutylxanthineIsoenzymesMolecular Sequence DataCalmodulinAmino Acid SequenceKineticsCyclic Nucleotide Phosphodiesterases, Type 6NucleotidesPhosphodiesterase 3 InhibitorsPhosphodiesterase 4 Inhibitors4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinoneCyclic GMP-Dependent Protein KinasesDibutyryl Cyclic GMPGuanylate CyclaseTheophyllineCyclic Nucleotide-Gated Cation ChannelsPhosphodiesterase IMilrinoneBucladesinePhosphorus-Oxygen LyasesSecond Messenger SystemsAdenine NucleotidesPyrrolidinonesCyclic AMP-Dependent Protein KinasesBase SequenceAdenylate CyclaseHydrolysisCyclic IMPSignal TransductionPhosphodiesterase 5 InhibitorsCloning, MolecularColforsinCattlePapaverineCalciumCells, Cultured8-Bromo Cyclic Adenosine MonophosphateEnzyme ActivationBinding SitesSubstrate SpecificityMutationCell LinePolymorphism, Single NucleotideRNA, MessengerProtein Structure, TertiaryGuanine NucleotidesProteasome Endopeptidase ComplexProtein BindingCatalytic DomainSequence Homology, Amino AcidIsoproterenolNitric OxideVinca AlkaloidsXanthinesEnzyme InhibitorsCyclic P-OxidesSequence AlignmentDose-Response Relationship, DrugModels, MolecularPhosphorylationDNAPurinesSulfonesGene Expression Regulation, EnzymologicPyrophosphatasesBacterial Proteins