Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsAmino Acid SequenceMolecular Sequence DataKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear Export SignalsNuclear ProteinsRecombinant Fusion ProteinsHeLa CellsProtein TransportGreen Fluorescent ProteinsCell LineProtein Structure, TertiaryCOS CellsLuminescent ProteinsBase Sequenceran GTP-Binding ProteinSequence DeletionTransfectionMutationSequence Homology, Amino AcidDNA-Binding ProteinsSignal TransductionProtein BindingSubcellular FractionsCell NucleolusTranscription FactorsNucleoplasminsCell CompartmentationCercopithecus aethiopsBiological TransportMicroscopy, FluorescenceAmino Acid MotifsCloning, MolecularBinding SitesMutagenesis, Site-DirectedNuclear EnvelopeMicroscopy, ConfocalRNA-Binding ProteinsPhosphorylationFluorescent Antibody TechniqueAmino Acids, BasicDNA, ComplementaryZinc FingersRecombinant ProteinsPlasmidsRNA, MessengerSequence AlignmentCells, CulturedCarrier ProteinsBlotting, WesternViral ProteinsFluorescent Antibody Technique, IndirectConserved SequenceDNA Primersbeta-GalactosidaseTwo-Hybrid System TechniquesTranscription, GeneticSaccharomyces cerevisiae ProteinsNucleocytoplasmic Transport ProteinsReceptors, Cytoplasmic and NuclearSaccharomyces cerevisiae3T3 CellsProtein IsoformsGenes, ReporterMutagenesisNuclear PorePhosphoproteinsTrans-ActivatorsTranscriptional ActivationAntigens, Polyomavirus TransformingNIH 3T3 CellsFatty Acids, UnsaturatedImmunohistochemistryModels, BiologicalGene Expression RegulationN-Acylneuraminate CytidylyltransferaseRepressor ProteinsCell Cycle ProteinsFungal ProteinsNuclear Pore Complex ProteinsAT-Hook MotifsNuclear MatrixImmunoprecipitationDNAAlternative SplicingDimerizationPlant ProteinsProtein-Serine-Threonine KinasesDrosophila ProteinsTumor Cells, CulturedMembrane ProteinsImmunoblottingProteinsCell Cycle