Ether-A-Go-Go Potassium ChannelsLong QT SyndromeNAV1.5 Voltage-Gated Sodium ChannelKCNQ1 Potassium ChannelPotassium Channels, Voltage-GatedSuprachiasmatic NucleusGenetic VariationSodium ChannelsMutationPolymorphism, Single NucleotideKCNQ Potassium ChannelsNAV1.1 Voltage-Gated Sodium ChannelMutation, MissenseGenotypeGenetic Predisposition to DiseaseMolecular Sequence DataVoltage-Gated Sodium Channel beta-1 SubunitCircadian RhythmPhenotypeNAV1.6 Voltage-Gated Sodium ChannelDNA Mutational AnalysisElectrocardiographyGene FrequencyAmino Acid SequencePolymorphism, GeneticAlternative SplicingBase SequenceHaplotypesPedigreeAdrenergic AntagonistsRomano-Ward SyndromeBrugada SyndromeAllelesPotassium ChannelsCation Transport ProteinsDeath, Sudden, CardiacHeterozygoteEpilepsies, MyoclonicNAV1.2 Voltage-Gated Sodium ChannelGenetic TestingBiological ClocksTorsades de PointesArrhythmias, CardiacSequence Analysis, DNAGenome-Wide Association StudyPatch-Clamp TechniquesExonsHEK293 CellsVoltage-Gated Sodium Channel beta-3 SubunitIon Channel GatingAmino Acid SubstitutionRNA, MessengerNAV1.7 Voltage-Gated Sodium ChannelProtein IsoformsCase-Control StudiesMuscle ProteinsProtein Structure, TertiaryPolymorphism, Single-Stranded ConformationalPhotoperiodPolymerase Chain ReactionCyclin-Dependent Kinase Inhibitor ProteinsGenetic Association StudiesCell LineAction PotentialsMembrane PotentialsGenetic LinkageTrans-ActivatorsGene ExpressionDNA-Binding ProteinsChinaExomeCircadian ClocksProtein TransportAngina Pectoris, VariantPain Insensitivity, CongenitalMyocytes, CardiacSeizures, FebrileEpilepsy, GeneralizedZebrafish ProteinsZebrafishHomozygoteModels, MolecularCloning, MolecularNerve Tissue ProteinsDNA PrimersNAV1.3 Voltage-Gated Sodium ChannelVariant Surface Glycoproteins, TrypanosomaSequence AlignmentThiocyanatesXenopus laevisPoint MutationCricetinaeAsian Continental Ancestry GroupARNTL Transcription FactorsGastrin-Releasing PeptideEuropean Continental Ancestry GroupMutagenesis, Site-DirectedPiperidinesMexiletineReverse Transcriptase Polymerase Chain Reaction