Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsAmino Acid SequenceMolecular Sequence DataKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear Export SignalsNuclear ProteinsRecombinant Fusion ProteinsProtein TransportHeLa CellsGreen Fluorescent ProteinsCell LineProtein Structure, TertiaryCOS CellsLuminescent ProteinsBase Sequenceran GTP-Binding ProteinCytosolSequence Homology, Amino AcidSubcellular FractionsSequence DeletionMutationTransfectionProtein BindingDNA-Binding ProteinsSignal TransductionCell NucleolusCell CompartmentationNucleoplasminsTranscription FactorsBiological TransportCercopithecus aethiopsMicroscopy, FluorescenceAmino Acid MotifsCloning, MolecularBinding SitesMutagenesis, Site-DirectedNuclear EnvelopeMicroscopy, ConfocalPhosphorylationRNA-Binding ProteinsFluorescent Antibody TechniqueDNA, ComplementaryAmino Acids, BasicRecombinant ProteinsCarrier ProteinsPlasmidsSequence AlignmentZinc FingersCells, CulturedRNA, MessengerBlotting, WesternViral ProteinsFluorescent Antibody Technique, IndirectDNA PrimersSaccharomyces cerevisiaeConserved SequenceSaccharomyces cerevisiae Proteinsbeta-GalactosidaseReceptors, Cytoplasmic and NuclearNucleocytoplasmic Transport ProteinsTwo-Hybrid System TechniquesTranscription, Genetic3T3 CellsProtein IsoformsMutagenesisPhosphoproteinsGenes, ReporterNuclear PoreTranscriptional ActivationAntigens, Polyomavirus TransformingTrans-ActivatorsModels, BiologicalNIH 3T3 CellsFatty Acids, UnsaturatedImmunohistochemistryN-Acylneuraminate CytidylyltransferaseFungal ProteinsGene Expression RegulationNuclear Pore Complex ProteinsMembrane ProteinsAT-Hook MotifsRepressor ProteinsCell Cycle ProteinsDNAImmunoprecipitationPlant ProteinsDimerizationNuclear MatrixAlternative SplicingImmunoblottingProteinsTumor Cells, CulturedCricetinaePoint Mutation