ClaudinsClaudin-3Claudin-1Claudin-4Tight JunctionsClaudin-5Membrane ProteinsMolecular Sequence DataAmino Acid SequenceCystic Fibrosis Transmembrane Conductance RegulatorOccludinCell MembraneProtein Structure, TertiaryCell LineZonula Occludens-1 ProteinProtein Structure, SecondaryMutationSequence Homology, Amino AcidRecombinant Fusion ProteinsModels, MolecularBase SequenceZonula Occludens-2 ProteinPermeabilityMutagenesis, Site-DirectedClaudin-2Blood-Testis BarrierProtein ConformationEpithelial CellsProtein BindingTransfectionProtein TransportCell Membrane PermeabilityElectric ImpedanceCloning, MolecularSignal TransductionSequence AlignmentRecombinant ProteinsBinding SitesTakifuguCOS CellsTissue EmbeddingDogsRNA, MessengerCysteineCells, CulturedBiological TransportLipid BilayersHypercalciuriaGitelman SyndromeMembrane GlycoproteinsProtein IsoformsAmino Acid SubstitutionCricetinaeEndoplasmic ReticulumCystic FibrosisStructure-Activity RelationshipReceptors, Cell SurfaceMembrane PotentialsCytoplasmNephrocalcinosisEpitheliumMembrane Transport ProteinsDNA, ComplementaryCaco-2 CellsImmunohistochemistryCHO CellsMicroscopy, FluorescenceDimerizationFreeze FracturingKineticsBlotting, WesternKidneyAmino Acid MotifsMutagenesisGene ExpressionNerve Tissue ProteinsReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, DevelopmentalDNA PrimersLigandsIon Channel GatingPhenotypeModels, BiologicalCarrier ProteinsGene Expression RegulationAdherens JunctionsGillsEscherichia coliPhosphoproteinsImmunoblottingPeptide FragmentsCalciumHydrophobic and Hydrophilic InteractionsChloridesGene DeletionIntracellular MembranesXenopus laevisBacterial ProteinsMicroscopy, ConfocalFluorescent Antibody Technique