Nuclear Localization SignalsCell Nucleusalpha KaryopherinsActive Transport, Cell NucleusKaryopherinsAmino Acid SequenceMolecular Sequence Databeta KaryopherinsCytoplasmNuclear ProteinsRecombinant Fusion ProteinsProtein Sorting SignalsNuclear Export Signalsran GTP-Binding ProteinHeLa CellsProtein TransportCell LineGreen Fluorescent ProteinsProtein Structure, TertiarySignal TransductionProtein BindingBase SequenceSequence Homology, Amino AcidBiological TransportCOS CellsSubcellular FractionsNuclear EnvelopeDNA-Binding ProteinsTransfectionLuminescent ProteinsMutationTranscription FactorsCell CompartmentationMicroscopy, FluorescenceSequence DeletionAntigens, Polyomavirus TransformingBinding SitesCell NucleolusPhosphorylationAmino Acid MotifsNucleocytoplasmic Transport ProteinsMutagenesis, Site-DirectedCloning, MolecularCercopithecus aethiopsFluorescent Antibody TechniqueMicroscopy, ConfocalCells, CulturedCarrier ProteinsRecombinant ProteinsRNA-Binding ProteinsNuclear Pore Complex ProteinsSaccharomyces cerevisiae ProteinsPlasmidsSaccharomyces cerevisiaeDNA Primers3T3 CellsSequence Alignmentbeta-GalactosidaseTranscription, GeneticRNA, MessengerDNA, ComplementaryNucleoplasminsFungal ProteinsModels, BiologicalBlotting, WesternCytosolTrans-ActivatorsProtein-Serine-Threonine KinasesProtein IsoformsPhosphoproteinsCell Cycle ProteinsDimerizationTumor Cells, CulturedPeptidesStructure-Activity RelationshipGenes, ReporterCell Line, TumorTwo-Hybrid System TechniquesReceptors, Cytoplasmic and NuclearGlutathione TransferaseAmino Acids, BasicPeptide FragmentsDNAZinc FingersFluorescent Antibody Technique, IndirectPoint MutationAntigens, Viral, TumorXenopusKineticsImmunoprecipitationImmunohistochemistryMembrane ProteinsConserved SequenceViral ProteinsParathyroid Hormone-Related ProteinNF-kappa BI-kappa B ProteinsGene Expression RegulationProteinsRepressor Proteins