Nuclear Localization SignalsCell Nucleusalpha KaryopherinsActive Transport, Cell NucleusKaryopherinsAmino Acid Sequencebeta KaryopherinsMolecular Sequence DataCytoplasmNuclear ProteinsRecombinant Fusion Proteinsran GTP-Binding ProteinNuclear Export SignalsHeLa CellsProtein Sorting SignalsProtein TransportGreen Fluorescent ProteinsProtein Structure, TertiaryCell LineProtein BindingSubcellular FractionsBiological TransportNuclear EnvelopeSequence Homology, Amino AcidCOS CellsLuminescent ProteinsBase SequenceDNA-Binding ProteinsTransfectionTranscription FactorsMutationCell CompartmentationSequence DeletionMicroscopy, FluorescenceAntigens, Polyomavirus TransformingCell NucleolusNucleocytoplasmic Transport ProteinsBinding SitesAmino Acid MotifsCercopithecus aethiopsMutagenesis, Site-DirectedSignal TransductionCloning, MolecularFluorescent Antibody TechniqueMicroscopy, ConfocalPhosphorylationRNA-Binding ProteinsNuclear Pore Complex ProteinsSaccharomyces cerevisiae ProteinsCarrier ProteinsRecombinant ProteinsSaccharomyces cerevisiaePlasmidsbeta-GalactosidaseSequence AlignmentDNA, ComplementaryDNA Primers3T3 CellsNucleoplasminsCells, CulturedFungal ProteinsTranscription, GeneticRNA, MessengerCytosolCell Cycle ProteinsTrans-ActivatorsDimerizationBlotting, WesternProtein IsoformsModels, BiologicalStructure-Activity RelationshipProtein-Serine-Threonine KinasesAmino Acids, BasicGlutathione TransferasePeptidesZinc FingersReceptors, Cytoplasmic and NuclearAntigens, Viral, TumorFluorescent Antibody Technique, IndirectPhosphoproteinsPoint MutationTumor Cells, CulturedGenes, ReporterXenopusTwo-Hybrid System TechniquesPeptide FragmentsParathyroid Hormone-Related ProteinViral ProteinsDNAConserved SequenceI-kappa B ProteinsCell Line, TumorImmunohistochemistryRepressor ProteinsImmunoprecipitationSerineMutagenesisKineticsTranscriptional ActivationNuclear Pore