Nuclear Localization SignalsNuclear Export SignalsCell NucleusActive Transport, Cell NucleusKaryopherinsalpha KaryopherinsAmino Acid SequenceMolecular Sequence DataProtein Sorting SignalsCytoplasmbeta KaryopherinsRecombinant Fusion ProteinsNuclear ProteinsProtein TransportHeLa CellsGreen Fluorescent ProteinsProtein Structure, TertiaryCell LineCOS Cellsran GTP-Binding ProteinLuminescent ProteinsSignal TransductionMutationBase SequenceSequence Homology, Amino AcidReceptors, Cytoplasmic and NuclearBiological TransportTransfectionProtein BindingDNA-Binding ProteinsNucleocytoplasmic Transport ProteinsSubcellular FractionsSequence DeletionAmino Acid MotifsCercopithecus aethiopsCell NucleolusTranscription FactorsMicroscopy, FluorescenceCell CompartmentationFatty Acids, UnsaturatedRNA-Binding ProteinsMutagenesis, Site-DirectedNucleoplasminsBinding SitesCloning, MolecularCarrier ProteinsNuclear EnvelopeGene Products, revPlasmidsPhosphorylationSequence AlignmentNuclear Pore Complex ProteinsRNA, MessengerMicroscopy, ConfocalRecombinant ProteinsSaccharomyces cerevisiae ProteinsConserved SequenceNuclear PoreSaccharomyces cerevisiaeDNA, ComplementaryTranscription, GeneticTwo-Hybrid System TechniquesZinc FingersViral Proteins3T3 CellsFluorescent Antibody TechniqueGenes, ReporterFluorescent Antibody Technique, IndirectCells, CulturedNIH 3T3 CellsBlotting, WesternDNA PrimersAmino Acids, BasicProtein IsoformsMutagenesisModels, BiologicalTrans-Activatorsrev Gene Products, Human Immunodeficiency Virusbeta-GalactosidasePhosphoproteinsTranscriptional ActivationFungal ProteinsMembrane ProteinsGene Expression RegulationRibonucleoproteinsRepressor ProteinsImmunohistochemistryProteinsRNA TransportDimerizationCytosolImmunoprecipitationCell Cycle ProteinsAmino Acid SubstitutionImmunoblottingAntigens, Polyomavirus TransformingDNALeucineMutant ProteinsStructure-Activity Relationship