Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsAmino Acid SequenceMolecular Sequence DataKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear Export SignalsNuclear ProteinsRecombinant Fusion ProteinsLigandsProtein TransportHeLa CellsGreen Fluorescent ProteinsProtein Structure, TertiaryCell LineCOS CellsBase SequenceLuminescent ProteinsProtein Bindingran GTP-Binding ProteinTransfectionSequence Homology, Amino AcidMutationSequence DeletionSignal TransductionDNA-Binding ProteinsSubcellular FractionsCell NucleolusTranscription FactorsNucleoplasminsCell CompartmentationCercopithecus aethiopsBinding SitesBiological TransportAmino Acid MotifsMicroscopy, FluorescenceCloning, MolecularMutagenesis, Site-DirectedNuclear EnvelopeMicroscopy, ConfocalRNA-Binding ProteinsPhosphorylationFluorescent Antibody TechniqueRecombinant ProteinsAmino Acids, BasicDNA, ComplementarySequence AlignmentPlasmidsCarrier ProteinsZinc FingersRNA, MessengerCells, CulturedReceptors, Cytoplasmic and NuclearViral ProteinsBlotting, WesternConserved SequenceDNA PrimersFluorescent Antibody Technique, Indirectbeta-GalactosidaseTwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsTranscription, Genetic3T3 CellsSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeProtein IsoformsMutagenesisGenes, ReporterNuclear PorePhosphoproteinsTranscriptional ActivationTrans-ActivatorsAntigens, Polyomavirus TransformingNIH 3T3 CellsModels, BiologicalImmunohistochemistryFatty Acids, UnsaturatedN-Acylneuraminate CytidylyltransferaseGene Expression RegulationDimerizationStructure-Activity RelationshipRepressor ProteinsDNAMembrane ProteinsNuclear Pore Complex ProteinsAT-Hook MotifsFungal ProteinsCell Cycle ProteinsImmunoprecipitationNuclear MatrixAlternative SplicingCricetinaeTumor Cells, CulturedProteinsModels, MolecularDrosophila Proteins