Nuclear Export SignalsNuclear Localization SignalsKaryopherinsActive Transport, Cell NucleusCell NucleusCytoplasmProtein Sorting SignalsAmino Acid SequenceReceptors, Cytoplasmic and NuclearMolecular Sequence DataFatty Acids, Unsaturatedran GTP-Binding ProteinNucleocytoplasmic Transport ProteinsGene Products, revProtein TransportRecombinant Fusion ProteinsNuclear ProteinsHeLa Cellsalpha KaryopherinsProtein Structure, TertiaryGreen Fluorescent Proteinsbeta KaryopherinsSignal TransductionLuminescent Proteinsrev Gene Products, Human Immunodeficiency VirusCell LineBiological TransportCOS CellsMutationNuclear Pore Complex ProteinsSequence Homology, Amino AcidRNA-Binding ProteinsAmino Acid MotifsProtein BindingLeucineMicroscopy, FluorescenceCarrier ProteinsTransfectionCercopithecus aethiopsBase SequenceSubcellular FractionsDNA-Binding ProteinsCell NucleolusMutagenesis, Site-DirectedRNA TransportRNA, MessengerTranscription FactorsNIH 3T3 CellsCell CompartmentationNuclear PoreBinding SitesGene Products, rexSaccharomyces cerevisiae ProteinsSequence AlignmentNuclear EnvelopeSequence DeletionConserved SequenceSaccharomyces cerevisiaePlasmidsRibonucleoproteinsPhosphorylationModels, BiologicalCloning, MolecularTwo-Hybrid System TechniquesRecombinant ProteinsTranscription, GeneticGenes, Reporter3T3 CellsTrans-ActivatorsCells, Cultured14-3-3 ProteinsFungal ProteinsMicroscopy, ConfocalFluorescent Antibody Technique, IndirectProtein IsoformsViral ProteinsDNA PrimersBlotting, WesternMutagenesisAmino Acid SubstitutionHinge ExonsProteinsDNA, ComplementaryAntibiotics, AntineoplasticMicroinjectionsTranscriptional ActivationModels, MolecularGene Expression RegulationPhosphoproteinsConsensus SequencePrecipitin TestsImmunoblottingCytosolMembrane ProteinsMutant ProteinsZinc FingersCell Line, TumorImmunoprecipitationXenopusAdaptor Proteins, Signal Transducing