MyocardiumProtein SubunitsMyocytes, CardiacHeartMuscle ProteinsCardiomyopathiesHeart VentriclesIsoenzymesRats, WistarProtein Kinase CRibonuclease PRats, Sprague-DawleyMacromolecular SubstancesMolecular Sequence DataCardiac OutputGTP-Binding Protein beta SubunitsAmino Acid SequenceHeterotrimeric GTP-Binding ProteinsArrhythmias, CardiacCardiac Surgical ProceduresGTP-Binding ProteinsEndoribonucleasesDeath, Sudden, CardiacProtein BindingBase SequenceGTP-Binding Protein gamma SubunitsProtein ConformationModels, MolecularBacteriophage P22Molecular WeightKineticsElectrophoresis, Polyacrylamide GelGTP-Binding Protein alpha Subunits, Gi-GoMutationEscherichia coliBinding SitesRNA, CatalyticRecombinant ProteinsRibonucleoproteinsCardiomegalyTobacco Mosaic VirusProtein Structure, TertiaryGTP-Binding Protein alpha Subunits, Gq-G11Cardiac TamponadeCardiac Pacing, ArtificialHeart DiseasesCapsidTime FactorsSequence Homology, Amino AcidGTP-Binding Protein alpha SubunitsCardiac CatheterizationPhospholipase C betaRats, Inbred ACICell LineMyocardial ContractionProtein Structure, QuaternaryMicroscopy, ElectronCloning, MolecularCrystallography, X-RayRNA, ArchaealHeart ArrestRNA, MessengerSaccharomyces cerevisiaeModels, BiologicalCells, CulturedSignal TransductionHoloenzymesDimerizationCattleCell MembraneMembrane ProteinsBlotting, WesternRecombinant Fusion ProteinsReducing AgentsBacterial ProteinsConnexinsMyoblasts, CardiacHeart FailureMultiprotein ComplexesPrecipitin TestsElectron Transport Complex IRNAElectrocardiographySequence AlignmentCardiac MyosinsVirus AssemblyCardiac Imaging TechniquesMultienzyme ComplexesGTP-Binding Protein alpha Subunit, Gi2RabbitsCardiac GlycosidesImmunoblottingSaccharomyces cerevisiae ProteinsCatalysisHeart RateElectron Transport Complex IVTransfectionEchocardiographyProtein Structure, SecondaryCross-Linking Reagents