Nuclear Localization SignalsCell NucleusCarcinoma, Squamous CellActive Transport, Cell Nucleusalpha KaryopherinsMolecular Sequence DataAmino Acid SequenceKaryopherinsbeta KaryopherinsCytoplasmProtein Sorting SignalsNuclear ProteinsNuclear Export SignalsRecombinant Fusion ProteinsHeLa CellsProtein TransportGreen Fluorescent ProteinsProtein Structure, TertiaryCell LineCOS CellsBase SequenceLuminescent Proteinsran GTP-Binding ProteinMutationSequence DeletionTransfectionDNA-Binding ProteinsSequence Homology, Amino AcidProtein BindingSignal TransductionSubcellular FractionsCell NucleolusTranscription FactorsNucleoplasminsCell CompartmentationHead and Neck NeoplasmsCercopithecus aethiopsMicroscopy, FluorescenceBiological TransportAmino Acid MotifsNeoplasms, Squamous CellMouth NeoplasmsCloning, MolecularBinding SitesMutagenesis, Site-DirectedNuclear EnvelopeImmunohistochemistryFluorescent Antibody TechniqueRNA-Binding ProteinsMicroscopy, ConfocalPhosphorylationAmino Acids, BasicRNA, MessengerEsophageal NeoplasmsDNA, ComplementaryBlotting, WesternPlasmidsZinc FingersRecombinant ProteinsSequence AlignmentDNA PrimersCarrier ProteinsFluorescent Antibody Technique, IndirectViral Proteinsbeta-GalactosidaseConserved SequenceTwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsTranscription, GeneticCells, CulturedReceptors, Cytoplasmic and Nuclear3T3 CellsSaccharomyces cerevisiae ProteinsProtein IsoformsSaccharomyces cerevisiaeCell Line, TumorMutagenesisGenes, ReporterNuclear PorePhosphoproteinsTrans-ActivatorsTranscriptional ActivationAntigens, Polyomavirus TransformingTumor Cells, CulturedNIH 3T3 CellsFatty Acids, UnsaturatedN-Acylneuraminate CytidylyltransferaseCell Cycle ProteinsModels, BiologicalRepressor ProteinsAT-Hook MotifsNuclear Pore Complex ProteinsGene Expression RegulationFungal ProteinsDNATongue NeoplasmsNuclear MatrixSkin NeoplasmsPolymerase Chain ReactionImmunoprecipitation