Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsKaryopherinsCytoplasmbeta KaryopherinsAmino Acid SequenceMolecular Sequence DataNuclear Export SignalsNuclear ProteinsProtein Sorting Signalsran GTP-Binding ProteinRecombinant Fusion ProteinsProtein TransportHeLa CellsGreen Fluorescent ProteinsNucleocytoplasmic Transport ProteinsCOS CellsProtein Structure, TertiaryCell LineLuminescent ProteinsNuclear PoreNuclear Pore Complex ProteinsBase SequenceProtein BindingNuclear EnvelopeMutationSequence Homology, Amino AcidSubcellular FractionsTransfectionDNA-Binding ProteinsSequence DeletionCell NucleolusCercopithecus aethiopsSignal TransductionBiological TransportCell CompartmentationTranscription FactorsMicroscopy, FluorescenceAmino Acid MotifsNucleoplasminsRNA-Binding ProteinsReceptors, Cytoplasmic and NuclearCloning, MolecularBinding SitesMutagenesis, Site-DirectedPhosphorylationMicroscopy, ConfocalSaccharomyces cerevisiae ProteinsRNA, MessengerCarrier ProteinsFluorescent Antibody TechniquePlasmidsSaccharomyces cerevisiaeViral ProteinsRecombinant ProteinsSequence AlignmentTwo-Hybrid System TechniquesZinc FingersDNA, ComplementaryFluorescent Antibody Technique, IndirectAmino Acids, BasicConserved Sequence3T3 CellsNIH 3T3 CellsTranscription, GeneticFatty Acids, UnsaturatedDNA PrimersBlotting, WesternProtein IsoformsCells, CulturedMutagenesisGenes, ReporterModels, Biologicalbeta-GalactosidasePhosphoproteinsTrans-ActivatorsTranscriptional ActivationFungal ProteinsRibonucleoproteinsCell Cycle ProteinsImmunohistochemistryRepressor ProteinsAntigens, Polyomavirus TransformingGene Expression RegulationCell CycleImmunoprecipitationCytosolDimerizationN-Acylneuraminate CytidylyltransferaseXenopusDNAAlternative SplicingGene Products, revProteinsDrosophila Proteins14-3-3 ProteinsCricetinaeImmunoblotting