HeptaminolAmino AlcoholsNucleotidesNucleotides, CyclicCyclic Nucleotide Phosphodiesterases, Type 1Cyclic GMP3',5'-Cyclic-AMP Phosphodiesterases2',3'-Cyclic-Nucleotide PhosphodiesterasesCyclic AMPCyclic Nucleotide Phosphodiesterases, Type 3Phosphoric Diester HydrolasesCyclic Nucleotide Phosphodiesterases, Type 2Phosphodiesterase InhibitorsDibutyryl Cyclic GMPCyclic Nucleotide Phosphodiesterases, Type 4Molecular Sequence DataCyclic Nucleotide-Gated Cation Channels3',5'-Cyclic-GMP PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 71-Methyl-3-isobutylxanthineAmino Acid SequenceCyclic Nucleotide Phosphodiesterases, Type 5Adenine NucleotidesCyclic IMPBucladesineKineticsTheophyllinePolymorphism, Single NucleotideBase SequenceGuanine NucleotidesPurinonesCloning, Molecular4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinoneCalmodulinBinding SitesPurine NucleotidesRolipramStructure-Activity RelationshipEscherichia coli8-Bromo Cyclic Adenosine MonophosphateCattleCalciumAdenylate CyclaseDNAMutationAdenosine TriphosphateCyclic GMP-Dependent Protein KinasesColforsinGuanylate CyclaseGuanine Nucleotide Exchange FactorsIsoenzymesHyperpolarization-Activated Cyclic Nucleotide-Gated Channels