Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceTranscription FactorsKaryopherinsbeta KaryopherinsTranscription, GeneticCytoplasmNuclear ProteinsRecombinant Fusion ProteinsProtein Sorting SignalsNuclear Export SignalsHeLa CellsCell LineBase SequenceProtein Structure, TertiaryProtein TransportGreen Fluorescent ProteinsDNA-Binding ProteinsProtein BindingCOS CellsMutationTransfectionSignal TransductionLuminescent ProteinsSequence DeletionSequence Homology, Amino AcidBinding Sitesran GTP-Binding ProteinCell NucleolusRNA, MessengerSubcellular FractionsCloning, MolecularCercopithecus aethiopsNucleoplasminsGene Expression RegulationCell CompartmentationAmino Acid MotifsTranscriptional ActivationMicroscopy, FluorescencePlasmidsBiological TransportTrans-ActivatorsMutagenesis, Site-DirectedPromoter Regions, GeneticPhosphorylationZinc FingersGenes, ReporterRepressor ProteinsCells, CulturedDNA, ComplementarySequence AlignmentRNA-Binding ProteinsSaccharomyces cerevisiaeRecombinant ProteinsSaccharomyces cerevisiae ProteinsDNABlotting, WesternConserved SequenceCarrier ProteinsNuclear EnvelopeMicroscopy, ConfocalFluorescent Antibody Techniquebeta-GalactosidaseTwo-Hybrid System TechniquesAmino Acids, Basic3T3 CellsReceptors, Cytoplasmic and NuclearMutagenesisProtein IsoformsFluorescent Antibody Technique, IndirectModels, BiologicalViral ProteinsPhosphoproteinsNucleocytoplasmic Transport ProteinsFungal ProteinsDNA PrimersGene ExpressionNIH 3T3 CellsSp1 Transcription FactorTumor Cells, CulturedCell Line, TumorImmunohistochemistryNuclear PoreDrosophila ProteinsCell Cycle ProteinsHomeodomain ProteinsReverse Transcriptase Polymerase Chain ReactionAntigens, Polyomavirus TransformingPlant ProteinsDimerizationImmunoprecipitationGene DeletionCell CycleGene Expression Regulation, DevelopmentalAlternative SplicingFatty Acids, Unsaturated