Cell MembranePseudopodiaEukaryotic CellsMembranesMembrane LipidsIntracellular MembranesMembrane PotentialsDictyosteliumCell Membrane PermeabilityActinsErythrocyte MembraneMolecular Sequence DataMembranes, ArtificialMicroscopy, ElectronMembrane FluidityAmino Acid SequenceChemotaxisCell LineModels, BiologicalMicroscopy, FluorescenceCell MovementAmoebaProtein BindingMicroscopy, Electron, ScanningBase SequenceCytoplasmProtein TransportCytoskeletonProtein Structure, TertiaryCells, CulturedBasement MembraneCell PolarityMutationBacterial ProteinsMicroscopy, ConfocalSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeEscherichia coliSequence Homology, Amino AcidMicroscopy, VideoSignal TransductionCell AdhesionCell Sizecdc42 GTP-Binding ProteinLipid BilayersMembrane Transport ProteinsEukaryotaPhagocytosisCarrier ProteinsMembrane GlycoproteinsRecombinant Fusion ProteinsModels, MolecularBinding SitesTransfectionAnnexin A2Cloning, MolecularMicroscopy, Phase-ContrastHeLa Cellsrho GTP-Binding ProteinsEukaryotic Initiation Factor-2KineticsEndoplasmic ReticulumSequence AlignmentRecombinant ProteinsEukaryotic Initiation Factor-4EImmunoblottingCercopithecus aethiopsCalciumLiposomesErythrocytesProtein BiosynthesisCOS CellsCell Line, TumorRNA, MessengerCytoskeletal ProteinsCricetinaeChemotactic Factorsrac1 GTP-Binding ProteinMitochondrial MembranesProtein ConformationHydrogen-Ion ConcentrationGolgi ApparatusLasers, ExcimerMolecular WeightFibroblastsFungal ProteinsCell FractionationRabbitsTemperatureProkaryotic Cellsrac GTP-Binding ProteinsPhylogenyCell NucleusTime FactorsExtracellular MatrixPlasmidsProto-Oncogene Proteins c-crkPeptide Initiation FactorsMitochondriaElectrophoresis, Polyacrylamide Gel