Nuclear Localization SignalsStrigiformesCell NucleusOogenesisActive Transport, Cell Nucleusalpha KaryopherinsOocytesAmino Acid SequenceMolecular Sequence DataKaryopherinsbeta KaryopherinsCytoplasmNuclear ProteinsRecombinant Fusion ProteinsNuclear Export SignalsCell LineProtein TransportProtein Sorting SignalsHeLa CellsProtein Structure, TertiaryGreen Fluorescent ProteinsCOS CellsProtein BindingMutationTransfectionPhosphorylationBase SequenceDNA-Binding ProteinsLuminescent ProteinsSubcellular FractionsSequence Homology, Amino AcidTranscription FactorsSignal TransductionSequence Deletionran GTP-Binding ProteinCell CompartmentationCercopithecus aethiopsMicroscopy, FluorescenceCell NucleolusBinding SitesAmino Acid MotifsBiological TransportPhosphoproteinsMutagenesis, Site-DirectedSerineCells, CulturedNucleoplasminsBlotting, WesternCloning, MolecularProtein-Serine-Threonine KinasesFluorescent Antibody TechniqueRecombinant ProteinsMicroscopy, ConfocalCarrier ProteinsRNA-Binding ProteinsRNA, MessengerNuclear EnvelopePlasmidsTranscription, GeneticDNA, ComplementarySequence Alignment3T3 CellsDNA PrimersSaccharomyces cerevisiae ProteinsFluorescent Antibody Technique, IndirectSaccharomyces cerevisiaeProtein IsoformsTwo-Hybrid System TechniquesProtein KinasesZinc FingersAmino Acids, BasicTrans-ActivatorsViral ProteinsConserved SequenceEnzyme ActivationCell Cycle ProteinsModels, BiologicalPhosphoserineImmunoprecipitationImmunohistochemistryTranscriptional ActivationImmunoblottingMutagenesisCell Line, TumorGene Expression RegulationGenes, ReporterReceptors, Cytoplasmic and Nuclearbeta-GalactosidaseNIH 3T3 CellsTyrosineMembrane ProteinsProtein Processing, Post-TranslationalProteinsNucleocytoplasmic Transport ProteinsCell CycleThreoninePrecipitin TestsTumor Cells, CulturedIntracellular Signaling Peptides and ProteinsRepressor Proteins