Purinones3',5'-Cyclic-GMP PhosphodiesterasesCyclic GMPPhosphodiesterase InhibitorsCyclic Nucleotide Phosphodiesterases, Type 61-Methyl-3-isobutylxanthine3',5'-Cyclic-AMP PhosphodiesterasesTransducinPhosphoric Diester HydrolasesRolipramRod Cell Outer SegmentPhotoreceptor CellsCyclic AMPCyclic Nucleotide Phosphodiesterases, Type 54-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinoneCyclic Nucleotide Phosphodiesterases, Type 4Retinal Rod Photoreceptor CellsTheophyllinePhosphodiesterase 3 InhibitorsPhosphodiesterase 4 InhibitorsRana catesbeianaCyclic Nucleotide Phosphodiesterases, Type 3MilrinonePhosphodiesterase 5 InhibitorsCyclic Nucleotide Phosphodiesterases, Type 2CattlePapaverinePyrrolidinonesGuanylate CyclaseColforsinCyclic Nucleotide Phosphodiesterases, Type 1Phosphodiesterase IBucladesine2',3'-Cyclic-Nucleotide PhosphodiesterasesRhodopsinPentoxifylline8-Bromo Cyclic Adenosine MonophosphateNucleotides, CyclicSulfonesGuanosine TriphosphateEnzyme ActivationKineticsAdenylate CyclaseXanthinesGuanosine 5'-O-(3-Thiotriphosphate)PurinesPyridazinesMolecular Sequence DataLightGTP PhosphohydrolasesRetinal DegenerationEye ProteinsIsoproterenolCyclic AMP-Dependent Protein KinasesVision, OcularCyclic GMP-Dependent Protein KinasesArrestinGuanylyl ImidodiphosphateMacromolecular SubstancesVinca AlkaloidsAmino Acid SequenceEnoximoneGTP-Binding ProteinsHydrolysisSignal TransductionDose-Response Relationship, DrugCalciumAminophyllineAmrinoneNitric OxideThionucleotidesBufo bufoRetinaSecond Messenger SystemsPiperazinesDibutyryl Cyclic GMPCells, CulturedRetinal Cone Photoreceptor CellsBase SequenceAlprostadilRGS ProteinsRetinitis PigmentosaGuanosine DiphosphatePhotoreceptor Cells, VertebrateCell MembranePhosphorylationAdenosineDipyridamoleErectile DysfunctionBinding SitesNitroprussideOxadiazolesPyridonesIsoquinolinesPhenylisopropyladenosinePhthalazinesGuinea PigsCyclic Nucleotide Phosphodiesterases, Type 7ElectroretinographyStimulation, Chemical