Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsAmino Acid SequenceMolecular Sequence DataPeptidesKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsRecombinant Fusion ProteinsNuclear ProteinsNuclear Export SignalsBase SequenceProtein Structure, TertiaryHeLa CellsProtein TransportCell LineSequence Homology, Amino AcidGreen Fluorescent ProteinsCOS CellsProtein BindingCloning, MolecularLuminescent ProteinsMutationran GTP-Binding ProteinTransfectionSequence DeletionPeptide FragmentsDNA-Binding ProteinsSubcellular FractionsBinding SitesSignal TransductionAmino Acid MotifsCell NucleolusTranscription FactorsCell CompartmentationCercopithecus aethiopsNucleoplasminsBiological TransportMicroscopy, FluorescenceDNA, ComplementarySequence AlignmentRecombinant ProteinsMutagenesis, Site-DirectedPeptide LibraryPhosphorylationMicroscopy, ConfocalRNA, MessengerPlasmidsCarrier ProteinsRNA-Binding ProteinsFluorescent Antibody TechniqueNuclear EnvelopePeptide MappingConserved SequenceBlotting, WesternAmino Acids, BasicDNA PrimersCells, CulturedViral ProteinsZinc FingersSaccharomyces cerevisiaeTranscription, GeneticFluorescent Antibody Technique, IndirectOligopeptidesSaccharomyces cerevisiae Proteinsbeta-GalactosidaseProtein Isoforms3T3 CellsMutagenesisStructure-Activity RelationshipDNATwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsReceptors, Cytoplasmic and NuclearModels, MolecularPhosphoproteinsProteinsGenes, ReporterNuclear PoreImmunohistochemistryModels, BiologicalMembrane ProteinsPlant ProteinsAntigens, Polyomavirus TransformingTranscriptional ActivationProtein ConformationTrans-ActivatorsFungal ProteinsProtein Structure, SecondaryProtein Processing, Post-TranslationalGene Expression RegulationDimerizationNIH 3T3 CellsGene ExpressionImmunoblottingTumor Cells, CulturedAlternative Splicing