Nuclear Localization SignalsCell NucleusMolecular Sequence DataAmino Acid SequenceActive Transport, Cell Nucleusalpha KaryopherinsBase SequenceKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear Export SignalsNuclear ProteinsRecombinant Fusion ProteinsHeLa CellsProtein TransportGreen Fluorescent ProteinsProtein Structure, TertiaryCOS CellsCell LineLuminescent Proteinsran GTP-Binding ProteinSequence DeletionSequence Homology, Amino AcidMutationTransfectionDNA-Binding ProteinsSubcellular FractionsProtein BindingCell NucleolusNucleoplasminsSignal TransductionCell CompartmentationTranscription FactorsCercopithecus aethiopsBiological TransportMicroscopy, FluorescenceAmino Acid MotifsCloning, MolecularBinding SitesMutagenesis, Site-DirectedNuclear EnvelopeRNA-Binding ProteinsMicroscopy, ConfocalAmino Acids, BasicFluorescent Antibody TechniquePhosphorylationZinc FingersDNA, ComplementaryPlasmidsSequence AlignmentRecombinant ProteinsViral ProteinsFluorescent Antibody Technique, IndirectCarrier Proteinsbeta-GalactosidaseConserved SequenceTwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsRNA, MessengerDNA PrimersBlotting, WesternReceptors, Cytoplasmic and NuclearSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiae3T3 CellsTranscription, GeneticCells, CulturedProtein IsoformsNuclear PoreMutagenesisGenes, ReporterPhosphoproteinsAntigens, Polyomavirus TransformingTranscriptional ActivationTrans-ActivatorsNIH 3T3 CellsFatty Acids, UnsaturatedN-Acylneuraminate CytidylyltransferaseImmunohistochemistryModels, BiologicalAT-Hook MotifsNuclear Pore Complex ProteinsRepressor ProteinsFungal ProteinsNuclear MatrixCell Cycle ProteinsGene Expression RegulationAlternative SplicingDNAImmunoprecipitationDimerizationPlant ProteinsDrosophila ProteinsPoint MutationCell CycleGene Products, vprImmunoblottingTumor Cells, CulturedProteins