MucusCervix MucusMembranesCell MembraneMembrane LipidsIntracellular MembranesMembrane PotentialsMembranes, ArtificialErythrocyte MembraneMembrane FluidityCell Membrane PermeabilityBasement MembraneMembrane Transport ProteinsMembrane GlycoproteinsLipid BilayersMicroscopy, ElectronMucinsMitochondrial MembranesProtein TransportSynaptic MembranesCell LineMucociliary ClearanceProtein BindingLiposomesModels, BiologicalCalciumHydrogen-Ion ConcentrationCell FractionationEscherichia coliProtein Structure, TertiaryElectrophoresis, Polyacrylamide GelCarrier ProteinsCells, CulturedExtraembryonic MembranesDetergentsBacterial ProteinsPhosphatidylcholinesGolgi ApparatusMutationEndoplasmic ReticulumMolecular Sequence DataMicroscopy, FluorescenceMucin-2MicrovilliMolecular WeightGastric MucinsMucin 5ACFreeze FracturingRecombinant Fusion ProteinsAmino Acid SequenceTime FactorsTemperatureRabbitsMicroscopy, ConfocalCell Membrane StructuresPotassiumBiological Transport, ActiveIntestinal MucosaPermeabilitySubcellular FractionsMitochondriaSolubilityEndocytosisCattleGoblet CellsErythrocytesModels, MolecularBinding SitesSodiumDiffusionCytoplasmIon ChannelsProtein ConformationFluorescent DyesMembrane Potential, MitochondrialPurple MembraneFluorescent Antibody TechniqueGlycoproteinsBase SequenceSignal TransductionAdenosine TriphosphateExocrine GlandsEpithelial CellsElectric ConductivityExocytosisNictitating MembraneBruch MembranePeptidesRecombinant ProteinsViscosityCricetinaeSequence Homology, Amino AcidProtein Structure, SecondaryGastric MucosaBlotting, WesternOctoxynolCholesterolMicroscopy, ImmunoelectronCytosolMicroscopy, Electron, Scanning