SulfonesPurinesPiperazinesPhosphodiesterase InhibitorsPhosphodiesterase 5 Inhibitors3',5'-Cyclic-GMP PhosphodiesterasesErectile DysfunctionCyclic Nucleotide Phosphodiesterases, Type 5Nuclear Receptor CoactivatorsPenile ErectionHomosexuality, MaleMethamphetamineVasodilator AgentsCyclic GMPGeorgiaUnsafe SexRisk-TakingSexual BehaviorPhosphoric Monoester HydrolasesImmunoglobulin J Recombination Signal Sequence-Binding ProteinPoly(A)-Binding Protein IINuclear Receptor Co-Repressor 2Nuclear ProteinsPeptidylprolyl IsomeraseAnkyrin RepeatAlternative SplicingAdaptor Proteins, Signal TransducingMyoblasts, SkeletalProtein Interaction Domains and MotifsCOS CellsTemporal ArteriesTranscription FactorsProtein BindingHeLa CellsMolecular Sequence DataExonsMediastinum