Nuclear Localization SignalsNuclear PoreNuclear Pore Complex ProteinsCell NucleusActive Transport, Cell Nucleusalpha Karyopherinsbeta KaryopherinsKaryopherinsAmino Acid SequenceMolecular Sequence DataNuclear EnvelopeCytoplasmNuclear ProteinsNuclear Export Signalsran GTP-Binding ProteinRecombinant Fusion ProteinsProtein Sorting SignalsHeLa CellsProtein TransportGreen Fluorescent ProteinsNucleocytoplasmic Transport ProteinsProtein Structure, TertiaryCell LineCOS CellsLuminescent ProteinsProtein BindingBase SequenceMutationSequence Homology, Amino AcidBiological TransportNucleoplasminsSequence DeletionTransfectionDNA-Binding ProteinsMicroscopy, FluorescenceSubcellular FractionsCell NucleolusCell CompartmentationCercopithecus aethiopsTranscription FactorsSignal TransductionAmino Acid MotifsSaccharomyces cerevisiae ProteinsBinding SitesRNA-Binding ProteinsSaccharomyces cerevisiaeCloning, MolecularMutagenesis, Site-DirectedFluorescent Antibody TechniqueMicroscopy, ConfocalPlasmidsReceptors, Cytoplasmic and NuclearRecombinant ProteinsCarrier ProteinsRNA, MessengerSequence AlignmentDNA, ComplementaryPhosphorylationZinc FingersViral ProteinsFluorescent Antibody Technique, IndirectAmino Acids, BasicTwo-Hybrid System TechniquesConserved SequenceRNA TransportBlotting, WesternTranscription, GeneticModels, BiologicalDNA PrimersXenopusFungal ProteinsCells, CulturedMutagenesis3T3 Cellsbeta-GalactosidaseAntigens, Polyomavirus TransformingGenes, ReporterWheat Germ AgglutininsMembrane ProteinsProtein IsoformsPhosphoproteinsMicroscopy, ImmunoelectronLaminsRibonucleoproteinsTrans-ActivatorsFatty Acids, UnsaturatedImmunohistochemistryTranscriptional ActivationXenopus laevisNIH 3T3 CellsDimerizationCell Cycle ProteinsMitosisOocytesDNAN-Acylneuraminate CytidylyltransferaseRepressor ProteinsModels, MolecularCapsid ProteinsStructure-Activity Relationship