Excitation Contraction CouplingMyosin Light ChainsMyosin-Light-Chain KinaseMyosinsMolluscaMuscle ContractionMyosin Type IIMuscle, SmoothSmooth Muscle MyosinsGizzardMyosin SubfragmentsImmunoglobulin Light ChainsLightPhosphorylationMyosin-Light-Chain PhosphataseTurkeysActomyosinIsometric ContractionChickensActinsCalciumAmino Acid Sequencerho-Associated KinasesMyocardial ContractionRabbitsMolecular Sequence DataNonmuscle Myosin Type IIAMusclesCardiomyopathy, Hypertrophic, FamilialMuscle, SkeletalMyocytes, CardiacKineticsCardiac MyosinsRhodaminesPsoas MusclesSkeletal Muscle MyosinsSarcomeresActin CytoskeletonMyosin Heavy ChainsFluorescence PolarizationAdenosine TriphosphatasesMyocardiumCa(2+) Mg(2+)-ATPaseHeterocyclic Compounds with 4 or More RingsMuscle RelaxationNonmuscle Myosin Type IIBHSP20 Heat-Shock ProteinsTime FactorsPeptide FragmentsMyofibrilsNaphthalenesulfonatesFluorescent DyesImmunoglobulin kappa-ChainsAzepinesHeartMuscle Fibers, SkeletalUterine ContractionBase Sequence2-NaphthylamineDeath-Associated Protein KinasesElectrophoresis, Polyacrylamide GelEnergy TransferImmunoglobulin lambda-ChainsAdenosine TriphosphateProtein ConformationSpectrometry, FluorescenceBivalviaMutationCalmodulinCardiac OutputPotassium ChlorideBiophysical PhenomenaProtein BindingBiophysicsElectric StimulationBinding SitesDictyosteliumCells, CulturedTropomyosinAmidesModels, BiologicalModels, MolecularMuscle, Smooth, VascularSwineMuscle ProteinsSignal TransductionTroponin CGene Rearrangement, B-Lymphocyte, Light ChainEdetic AcidArrhythmias, CardiacCytokinesisMicroscopy, Fluorescence