Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceKaryopherinsbeta KaryopherinsCytoplasmSignal TransductionProtein Sorting SignalsNuclear ProteinsNuclear Export SignalsRecombinant Fusion ProteinsGreen Fluorescent ProteinsHeLa CellsProtein TransportCell LineProtein Structure, TertiaryCOS CellsLuminescent ProteinsBase Sequenceran GTP-Binding ProteinMutationTransfectionSequence Homology, Amino AcidDNA-Binding ProteinsSequence DeletionProtein BindingSubcellular FractionsTranscription FactorsCell NucleolusCell CompartmentationNucleoplasminsCercopithecus aethiopsBiological TransportMicroscopy, FluorescenceAmino Acid MotifsTransduction, GeneticCloning, MolecularBinding SitesPhosphorylationMutagenesis, Site-DirectedNuclear EnvelopeMicroscopy, ConfocalRNA-Binding ProteinsFluorescent Antibody TechniquePlasmidsDNA, ComplementaryRecombinant ProteinsAmino Acids, BasicSequence AlignmentZinc FingersCells, CulturedCarrier ProteinsRNA, MessengerBlotting, Westernbeta-GalactosidaseDNA PrimersViral ProteinsTranscription, GeneticTwo-Hybrid System TechniquesConserved Sequence3T3 CellsFluorescent Antibody Technique, IndirectSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeNucleocytoplasmic Transport ProteinsReceptors, Cytoplasmic and NuclearGenes, ReporterPhosphoproteinsProtein IsoformsMutagenesisTrans-ActivatorsNuclear PoreModels, BiologicalTranscriptional ActivationAntigens, Polyomavirus TransformingNIH 3T3 CellsGene Expression RegulationImmunohistochemistryFatty Acids, UnsaturatedRepressor ProteinsN-Acylneuraminate CytidylyltransferaseFungal ProteinsTumor Cells, CulturedCell Cycle ProteinsProtein-Serine-Threonine KinasesDNAPlant ProteinsGenetic VectorsProteinsMembrane ProteinsDimerizationNuclear Pore Complex ProteinsImmunoprecipitationGene ExpressionDrosophila ProteinsAT-Hook MotifsAlternative Splicing