Myosin Heavy ChainsMyosinsMyosin SubfragmentsMyosin Light ChainsMyosin Type IIImmunoglobulin Heavy ChainsNonmuscle Myosin Type IIBNonmuscle Myosin Type IIAMyosin Type VMolecular Sequence DataVentricular MyosinsCardiac MyosinsMuscle, SkeletalAmino Acid SequenceActinsMusclesMuscle Fibers, Slow-TwitchMuscle Fibers, Fast-TwitchProtein IsoformsSmooth Muscle MyosinsMuscle Fibers, SkeletalMyosin Type IPhosphorylationMuscle DevelopmentBase SequenceSkeletal Muscle MyosinsMyofibrilsRabbitsElectrophoresis, Polyacrylamide GelMyosin-Light-Chain KinaseClathrin Heavy ChainsMuscle ProteinsActomyosinMyocardiumRNA, MessengerMuscle ContractionHeavy Chain DiseaseCells, CulturedKineticsCell LineChickensPolymerase Chain ReactionCa(2+) Mg(2+)-ATPaseAdenosine TriphosphatasesMolecular Motor ProteinsProtein BindingSerineMuscle, SmoothMutationGizzardPeptide FragmentsDictyosteliumSarcomeresGene Rearrangement, B-Lymphocyte, Heavy ChainGene Expression RegulationBinding SitesProtein KinasesActin CytoskeletonTropomyosinAtrial MyosinsEnzyme ActivationHeterocyclic Compounds with 4 or More RingsImmunoglobulin Light ChainsCloning, MolecularMolecular WeightProtein-Serine-Threonine KinasesCalciumBlotting, WesternPhosphoproteinsMasseter MuscleAdenosine TriphosphateCell DifferentiationIsomerismTyrosineChick EmbryoDiaphragmTransfectionProtein Structure, TertiaryDNARecombinant Fusion ProteinsRecombinant ProteinsImmunoglobulin Variable RegionThreonineMyosin-Light-Chain PhosphataseImmunoglobulin gamma-ChainsIsoenzymesGene ExpressionPhenotypeMyosin Type IIIMyoD ProteinImmunohistochemistryPeptide MappingFluorescent Antibody TechniqueHeartAmoebaMacromolecular SubstancesDyneinsGenes, Immunoglobulin Heavy ChainReverse Transcriptase Polymerase Chain ReactionTime Factors