Horseshoe CrabsPhotoreceptor CellsPhotoreceptor Cells, InvertebratePhotonsLightHousefliesRhodopsinGrasshoppersDark AdaptationQuantum TheoryDarknessMembrane PotentialsKineticsSensory ThresholdsCalciumModels, BiologicalPhotic StimulationDrosophila melanogasterMutationMolecular Sequence DataVocal CordsAmino Acid SequenceModels, MolecularRNA, MessengerProtein FoldingBase SequenceBinding SitesCell LineCells, CulturedRecombinant ProteinsSubstrate SpecificityProtein BindingProtein ConformationEscherichia coliProtein Structure, TertiaryLiverProtein Structure, SecondaryTime FactorsCrystallography, X-RaySequence Homology, Amino AcidDose-Response Relationship, DrugPhonationStructure-Activity RelationshipMutagenesis, Site-DirectedTranscription, GeneticGene Expression RegulationHydrogen-Ion ConcentrationCloning, MolecularSequence AlignmentDNABacterial ProteinsMolecular WeightGene ExpressionTransfectionElectrophoresis, Polyacrylamide GelTumor Cells, CulturedProteinsCatalysisRats, Sprague-DawleyCattlePlasmidsPromoter Regions, GeneticEnzyme ActivationDNA PrimersRabbitsReverse Transcriptase Polymerase Chain ReactionCarrier ProteinsCricetinaeBlotting, WesternMice, Inbred C57BLCell MembraneBinding, CompetitiveChromatography, High Pressure LiquidTemperatureCell DivisionRats, Inbred StrainsIsoenzymesEnzyme InductionHydrolysisChromatography, GelLaryngeal MucosaRecombinant Fusion ProteinsPhosphorylationAmino Acid SubstitutionPeptidesEnzyme InhibitorsGene Expression Regulation, EnzymologicAdenosine TriphosphatePolymerase Chain ReactionMembrane ProteinsDNA-Binding ProteinsCatalytic DomainUp-RegulationDrug ResistanceOxidation-ReductionBlotting, NorthernTranscription FactorsRNAAmino AcidsSignal Transduction