Myosin SubfragmentsMyosinsActinsActin CytoskeletonActin Depolymerizing FactorsMyosin Heavy ChainsCytoskeletonMyosin Type IITropomyosinMicrofilament ProteinsGelsolinPhalloidineActin Capping ProteinsMyosin Light ChainsMyosin Type VRabbitsMusclesActomyosinProtein BindingChickensCytochalasin DPeptide FragmentsMyofibrilsChymotrypsinTroponinDestrinMyosin Type IActin-Related Protein 2-3 ComplexThiazolidinesMolecular Sequence DataNonmuscle Myosin Type IIAMuscle ProteinsActininAmino Acid SequenceNonmuscle Myosin Type IIBActin-Related Protein 2KineticsPseudopodiaIntermediate Filament ProteinsCapZ Actin Capping ProteinActin-Related Protein 3Binding SitesMicroscopy, FluorescenceMolecular Motor ProteinsProfilinsCardiac MyosinsTropomodulinCytoskeletal ProteinsAdenosine TriphosphatasesBase SequenceAdenosine TriphosphateBicyclo Compounds, HeterocyclicContractile ProteinsMolecular WeightElectrophoresis, Polyacrylamide GelCalcium ChlorideGizzardMicroscopy, ElectronMyosin-Light-Chain KinasePolymersSarcomeresProtein ConformationBiopolymersCofilin 1CytochalasinsViscosityCalmodulin-Binding ProteinsModels, BiologicalCa(2+) Mg(2+)-ATPaseVimentinMicrotubulesCloning, MolecularDictyosteliumRecombinant Fusion ProteinsPolymerizationMyosin Type IIIMuscle, SmoothProtein Structure, TertiaryDepsipeptidesCell MovementPhosphorylationMuscle, SkeletalAcanthamoebaMuscle ContractionCalciumHeterocyclic Compounds with 4 or More RingsFluorescent Antibody TechniqueCells, CulturedCarrier ProteinsMuscle, StriatedVinculinTroponin TSmooth Muscle MyosinsMacromolecular SubstancesModels, MolecularAdenosine DiphosphateRhodaminesProtein IsoformsFilaminsCytoplasmic Streaming