Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear ProteinsNuclear Export SignalsRecombinant Fusion ProteinsHeLa CellsProtein TransportGreen Fluorescent ProteinsProtein Structure, TertiaryCell LineCOS CellsBase SequenceLuminescent ProteinsMutationran GTP-Binding ProteinDNA-Binding ProteinsTranscription FactorsProtein BindingSignal TransductionSequence Homology, Amino AcidSequence DeletionTransfectionSubcellular FractionsCell NucleolusNucleoplasminsCell CompartmentationCercopithecus aethiopsMicroscopy, FluorescenceBiological TransportAmino Acid MotifsBinding SitesCloning, MolecularMutagenesis, Site-DirectedPhosphorylationRNA-Binding ProteinsNuclear EnvelopeMicroscopy, ConfocalFluorescent Antibody TechniquePlasmidsSequence AlignmentTranscription, GeneticAmino Acids, BasicDNA, ComplementaryZinc FingersRNA, MessengerRecombinant ProteinsCarrier ProteinsBlotting, WesternTwo-Hybrid System TechniquesCells, CulturedDNA PrimersConserved Sequencebeta-GalactosidaseViral ProteinsSaccharomyces cerevisiae ProteinsFluorescent Antibody Technique, IndirectSaccharomyces cerevisiaeReceptors, Cytoplasmic and NuclearNucleocytoplasmic Transport ProteinsTrans-Activators3T3 CellsProtein IsoformsGenes, ReporterMutagenesisRepressor ProteinsPhosphoproteinsTranscriptional ActivationNuclear PoreGene Expression RegulationModels, BiologicalNIH 3T3 CellsAntigens, Polyomavirus TransformingCell Cycle ProteinsImmunohistochemistryFatty Acids, UnsaturatedFungal ProteinsN-Acylneuraminate CytidylyltransferaseImmunoprecipitationDrosophila ProteinsAlternative SplicingDNAPlant ProteinsMembrane ProteinsNuclear Pore Complex ProteinsCell CycleAT-Hook MotifsProtein-Serine-Threonine KinasesDimerizationNuclear MatrixPromoter Regions, GeneticGene DeletionProteins