Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear Export SignalsNuclear ProteinsRecombinant Fusion ProteinsHeLa CellsProtein TransportGreen Fluorescent ProteinsCell LineCOS CellsProtein Structure, TertiaryLuminescent ProteinsBase Sequenceran GTP-Binding ProteinTransfectionMutationSequence DeletionSequence Homology, Amino AcidDNA-Binding ProteinsProtein BindingSignal TransductionSubcellular FractionsCell NucleolusTranscription FactorsNucleoplasminsCell CompartmentationCercopithecus aethiopsBiological TransportMicroscopy, FluorescenceAmino Acid MotifsCloning, MolecularBinding SitesMutagenesis, Site-DirectedNuclear EnvelopeMicroscopy, ConfocalPhosphorylationRNA-Binding ProteinsFluorescent Antibody TechniqueAmino Acids, BasicDNA, ComplementaryPlasmidsRecombinant ProteinsCells, CulturedRNA, MessengerZinc FingersSequence AlignmentCarrier ProteinsBlotting, WesternViral ProteinsFluorescent Antibody Technique, Indirectbeta-GalactosidaseDNA PrimersConserved Sequence3T3 CellsTranscription, GeneticTwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsSaccharomyces cerevisiae ProteinsReceptors, Cytoplasmic and NuclearSaccharomyces cerevisiaeProtein IsoformsGenes, ReporterMutagenesisPhosphoproteinsNuclear PoreTranscriptional ActivationTrans-ActivatorsNIH 3T3 CellsAntigens, Polyomavirus TransformingFatty Acids, UnsaturatedModels, BiologicalImmunohistochemistryGene Expression RegulationN-Acylneuraminate CytidylyltransferaseCell Cycle ProteinsTumor Cells, CulturedRepressor ProteinsDNACell CycleFungal ProteinsCell Line, TumorAT-Hook MotifsNuclear Pore Complex ProteinsImmunoprecipitationNuclear MatrixAlternative SplicingProtein-Serine-Threonine KinasesDrosophila ProteinsMembrane ProteinsDimerizationPlant ProteinsCricetinae