Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceKaryopherinsbeta KaryopherinsCytoplasmNuclear ProteinsProtein Sorting SignalsRecombinant Fusion ProteinsNuclear Export SignalsHeLa CellsProtein TransportGreen Fluorescent ProteinsCell LineProtein Structure, TertiaryCOS CellsBase SequenceTransfectionLuminescent ProteinsMutationDNA-Binding ProteinsSignal Transductionran GTP-Binding ProteinProtein BindingSequence Homology, Amino AcidTranscription FactorsSequence DeletionSubcellular FractionsCell NucleolusCell CompartmentationCercopithecus aethiopsNucleoplasminsMicroscopy, FluorescenceBiological TransportAmino Acid MotifsCloning, MolecularBinding SitesMutagenesis, Site-DirectedPhosphorylationRNA, MessengerRNA-Binding ProteinsMicroscopy, ConfocalBlotting, WesternDNA, ComplementaryNuclear EnvelopePlasmidsRecombinant ProteinsFluorescent Antibody TechniqueCarrier ProteinsCells, CulturedSequence AlignmentAmino Acids, BasicZinc FingersDNA PrimersTranscription, GeneticTwo-Hybrid System TechniquesSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeFluorescent Antibody Technique, IndirectViral Proteins3T3 Cellsbeta-GalactosidaseProtein IsoformsConserved SequenceImmunohistochemistryGenes, ReporterReceptors, Cytoplasmic and NuclearGene ExpressionNucleocytoplasmic Transport ProteinsGene Expression RegulationTrans-ActivatorsMutagenesisTranscriptional ActivationPhosphoproteinsCell Line, TumorNuclear PoreNIH 3T3 CellsRepressor ProteinsCell Cycle ProteinsModels, BiologicalTumor Cells, CulturedAntigens, Polyomavirus TransformingMembrane ProteinsFungal ProteinsProtein-Serine-Threonine KinasesApoptosisImmunoprecipitationFatty Acids, UnsaturatedCell CycleImmunoblottingPromoter Regions, GeneticN-Acylneuraminate CytidylyltransferasePlant ProteinsDNADrosophila ProteinsAlternative SplicingProteins