Nuclear Localization SignalsNuclear Pore Complex ProteinsCell NucleusNuclear PoreActive Transport, Cell Nucleusalpha KaryopherinsKaryopherinsbeta KaryopherinsMolecular Sequence DataAmino Acid SequenceNuclear EnvelopeCytoplasmNuclear Proteinsran GTP-Binding ProteinProtein Sorting SignalsNuclear Export SignalsRecombinant Fusion ProteinsHeLa CellsProtein Structure, TertiaryProtein TransportGreen Fluorescent ProteinsNucleocytoplasmic Transport ProteinsCell LineProtein BindingSignal TransductionMutationLuminescent ProteinsCOS CellsBase SequenceDNA-Binding ProteinsSequence Homology, Amino AcidBiological TransportTranscription FactorsNucleoplasminsSequence DeletionTransfectionCell NucleolusMicroscopy, FluorescenceCell CompartmentationSubcellular FractionsBinding SitesCercopithecus aethiopsAmino Acid MotifsSaccharomyces cerevisiae ProteinsCloning, MolecularRNA, MessengerSaccharomyces cerevisiaeRNA-Binding ProteinsPhosphorylationMutagenesis, Site-DirectedModels, BiologicalFluorescent Antibody TechniqueMicroscopy, ConfocalCells, CulturedTranscription, GeneticReceptors, Cytoplasmic and NuclearRecombinant ProteinsCarrier ProteinsSequence AlignmentDNA, ComplementaryPlasmidsZinc FingersFluorescent Antibody Technique, IndirectAmino Acids, BasicTwo-Hybrid System TechniquesGene Expression RegulationConserved SequenceImmunohistochemistryViral ProteinsBlotting, WesternDNA PrimersMutagenesisFungal Proteins3T3 Cellsbeta-GalactosidaseXenopusMembrane ProteinsRNA TransportGenes, ReporterCell Line, TumorProtein IsoformsApoptosisPhosphoproteinsLaminsMicroscopy, ImmunoelectronWheat Germ AgglutininsPhenotypeAntigens, Polyomavirus TransformingTranscriptional ActivationTrans-ActivatorsRibonucleoproteinsDimerizationNIH 3T3 CellsMitosisXenopus laevisOocytesFatty Acids, UnsaturatedCell Cycle ProteinsCell DivisionN-Acylneuraminate Cytidylyltransferase