Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear Export SignalsNuclear ProteinsRecombinant Fusion ProteinsHeLa CellsProtein TransportGreen Fluorescent ProteinsCell LineProtein Structure, TertiaryCOS CellsBase SequenceLuminescent Proteinsran GTP-Binding ProteinTransfectionSequence DeletionSequence Homology, Amino AcidMutationDNA-Binding ProteinsProtein BindingSubcellular FractionsSignal TransductionCell NucleolusTranscription FactorsNucleoplasminsCell CompartmentationCercopithecus aethiopsBiological TransportMicroscopy, FluorescenceAmino Acid MotifsCloning, MolecularBinding SitesMutagenesis, Site-DirectedNuclear EnvelopeMicroscopy, ConfocalRNA-Binding ProteinsFluorescent Antibody TechniquePhosphorylationAmino Acids, BasicDNA, ComplementaryRecombinant ProteinsPlasmidsZinc FingersSequence AlignmentRNA, MessengerViral ProteinsCells, CulturedCarrier ProteinsFluorescent Antibody Technique, IndirectDNA PrimersBlotting, Westernbeta-GalactosidaseConserved SequenceTranscription, Genetic3T3 CellsTwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsSaccharomyces cerevisiae ProteinsReceptors, Cytoplasmic and NuclearSaccharomyces cerevisiaeProtein IsoformsMutagenesisNuclear PoreGenes, ReporterPhosphoproteinsTranscriptional ActivationTrans-ActivatorsAntigens, Polyomavirus TransformingNIH 3T3 CellsImmunohistochemistryFatty Acids, UnsaturatedGene Expression RegulationN-Acylneuraminate CytidylyltransferaseModels, BiologicalDNARepressor ProteinsNuclear Pore Complex ProteinsAT-Hook MotifsCell Cycle ProteinsFungal ProteinsAlternative SplicingNuclear MatrixTumor Cells, CulturedImmunoprecipitationDimerizationGene ExpressionPlant ProteinsMembrane ProteinsProteinsImmunoblottingCricetinaeCell Cycle