3',5'-Cyclic-AMP PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 4Cyclic Nucleotide Phosphodiesterases, Type 3Phosphoric Diester HydrolasesCyclic Nucleotide Phosphodiesterases, Type 1Cyclic GMPCyclic Nucleotide Phosphodiesterases, Type 23',5'-Cyclic-GMP PhosphodiesterasesPhosphodiesterase Inhibitors2',3'-Cyclic-Nucleotide PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 5RolipramCyclic Nucleotide Phosphodiesterases, Type 7Cyclic AMPPurinonesNucleotides, CyclicPhosphodiesterase 4 InhibitorsPhosphodiesterase 3 Inhibitors1-Methyl-3-isobutylxanthinePhosphorus-Oxygen LyasesPhosphodiesterase I4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinonePyrrolidinonesMilrinoneIsoenzymesPhosphodiesterase 5 InhibitorsCyclic AMP-Dependent Protein KinasesSecond Messenger SystemsCyclic P-OxidesCyclic GMP-Dependent Protein KinasesGuanylate CyclaseGlycerylphosphorylcholineKineticsDibutyryl Cyclic GMPPapaverineCatalytic DomainTheophyllineAdenylate CyclasePyrophosphatasesVinca AlkaloidsMolecular Sequence DataAmino Acid SequenceGuanosine MonophosphateHydrolysisSignal TransductionColforsinA Kinase Anchor ProteinsXanthinesSulfonesSubstrate SpecificityIsoproterenolGene Expression Regulation, EnzymologicCarbolinesPurinesCalmodulinNitric OxideQuinolonesEnzyme InhibitorsGMP ReductaseCalciumEnzyme ActivationSubcellular FractionsCattle8-Bromo Cyclic Adenosine MonophosphateProtein Structure, TertiaryCatalysisModels, MolecularIsoquinolinesBucladesineCells, CulturedSequence Homology, Amino AcidDictyosteliumDinucleoside PhosphatesSequence AlignmentDose-Response Relationship, DrugMyocardiumBacterial ProteinsBinding SitesAdenine NucleotidesDipyridamoleBase SequenceCell MembranePiperazinesRats, Sprague-DawleyFluorescence Resonance Energy TransferRNA, MessengerReceptors, Adrenergic, betaCytosolMyocytes, CardiacCloning, MolecularRats, WistarMuscle, Smooth, VascularChromatography, Ion ExchangeCrystallography, X-RayCell LineModels, BiologicalPhosphorylationPhosphoric Monoester HydrolasesGuinea PigsStructure-Activity Relationship