Phosphodiesterase InhibitorsRolipramCyclic Nucleotide Phosphodiesterases, Type 33',5'-Cyclic-AMP PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 44-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinoneCyclic AMPPurinonesHominidaePhosphoric Diester HydrolasesPaleodontology3',5'-Cyclic-GMP PhosphodiesterasesFossilsPhosphodiesterase 4 InhibitorsAnthropology, PhysicalAnthropologyPhosphodiesterase 3 InhibitorsPhosphodiesterase 5 Inhibitors1-Methyl-3-isobutylxanthinePhosphodiesterase INeanderthalsCyclic Nucleotide Phosphodiesterases, Type 1Biological EvolutionPan troglodytesGorilla gorillaSkullCyclic Nucleotide Phosphodiesterases, Type 5BucladesineCyclic GMPHistory, AncientMolecular Sequence Data2',3'-Cyclic-Nucleotide PhosphodiesterasesTheophyllineReceptors, Cyclic AMPPaleontologyAmino Acid SequenceEvolution, MolecularCatarrhiniAdenylate CyclaseColforsinSequence AlignmentKineticsSpecies SpecificityBase SequencePongo pygmaeusPhylogenyCyclic Nucleotide Phosphodiesterases, Type 2Sequence Homology, Amino AcidCyclic Nucleotide Phosphodiesterases, Type 6MilrinoneTool Use BehaviorPyrrolidinonesCyclic AMP Receptor ProteinGenomeIsoproterenolArchaeologyNebramycinSulfonesCommunication Methods, TotalCyclic Nucleotide Phosphodiesterases, Type 7Nucleotides, CyclicGenome, HumanCaenorhabditis elegans8-Bromo Cyclic Adenosine MonophosphatePapaverinePurinesProtein Interaction MappingDrosophila melanogasterComputational BiologyConserved SequenceSaccharomyces cerevisiaeCyclic AMP-Dependent Protein KinasesMolarAMP DeaminaseSequence Analysis, DNADatabases, ProteinXanthinesEnzyme ActivationProtein Structure, TertiaryPrimatesTransducinAdenosine MonophosphateCalciumModels, GeneticCloning, MolecularAfricaModels, MolecularRod Cell Outer SegmentEscherichia coliProteinsPhotoreceptor CellsArabidopsisCalmodulinSoftwareMutationBrainProtein BindingRNA, MessengerCyclic AMP Response Element-Binding ProteinCattle