Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceKaryopherinsbeta KaryopherinsCytoplasmAmino Acid MotifsProtein Sorting SignalsNuclear ProteinsNuclear Export SignalsRecombinant Fusion ProteinsHeLa CellsProtein TransportProtein Structure, TertiaryGreen Fluorescent ProteinsCell LineCOS CellsBase SequenceLuminescent ProteinsSequence Homology, Amino AcidProtein Bindingran GTP-Binding ProteinMutationSequence DeletionDNA-Binding ProteinsTransfectionTranscription FactorsSubcellular FractionsSignal TransductionCell NucleolusNucleoplasminsCell CompartmentationCercopithecus aethiopsBinding SitesBiological TransportMicroscopy, FluorescenceCloning, MolecularMutagenesis, Site-DirectedSequence AlignmentRNA-Binding ProteinsConserved SequenceNuclear EnvelopePhosphorylationMicroscopy, ConfocalAmino Acids, BasicFluorescent Antibody TechniquePlasmidsRecombinant ProteinsZinc FingersCarrier ProteinsDNA, ComplementaryViral ProteinsTwo-Hybrid System TechniquesDNA PrimersRNA, MessengerTranscription, GeneticSaccharomyces cerevisiae ProteinsFluorescent Antibody Technique, IndirectSaccharomyces cerevisiaebeta-GalactosidaseBlotting, WesternNucleocytoplasmic Transport Proteins3T3 CellsReceptors, Cytoplasmic and NuclearCells, CulturedMutagenesisProtein IsoformsGenes, ReporterPhosphoproteinsNuclear PoreTranscriptional ActivationTrans-ActivatorsAntigens, Polyomavirus TransformingNIH 3T3 CellsDNAModels, BiologicalAT-Hook MotifsFatty Acids, UnsaturatedRepressor ProteinsGene Expression RegulationN-Acylneuraminate CytidylyltransferaseFungal ProteinsImmunohistochemistryDimerizationCell Cycle ProteinsAlternative SplicingNuclear Pore Complex ProteinsPlant ProteinsImmunoprecipitationStructure-Activity RelationshipNuclear MatrixProteinsPoint MutationDrosophila ProteinsMembrane ProteinsModels, MolecularAmino Acid Substitution