Nuclear Localization SignalsCell NucleusActive Transport, Cell Nucleusalpha KaryopherinsAmino Acid SequenceMolecular Sequence DataKaryopherinsbeta KaryopherinsCytoplasmNuclear ProteinsRecombinant Fusion ProteinsProtein Sorting SignalsNuclear Export SignalsCell LineHeLa CellsProtein TransportProtein Structure, TertiaryCOS CellsGreen Fluorescent ProteinsPhosphorylationProtein BindingMutationTransfectionBase SequenceDNA-Binding ProteinsSignal TransductionLuminescent ProteinsSequence Homology, Amino Acidran GTP-Binding ProteinSequence DeletionTranscription FactorsSubcellular FractionsSerineCercopithecus aethiopsPhosphoproteinsCell NucleolusBinding SitesAmino Acid MotifsCell CompartmentationMicroscopy, FluorescenceMutagenesis, Site-DirectedNucleoplasminsBiological TransportProtein-Serine-Threonine KinasesCells, CulturedCloning, MolecularBlotting, WesternRecombinant ProteinsCarrier ProteinsMicroscopy, ConfocalProtein KinasesFluorescent Antibody TechniqueRNA-Binding ProteinsNuclear EnvelopePhosphoserine3T3 CellsEnzyme ActivationPlasmidsDNA, ComplementaryRNA, MessengerSequence AlignmentTranscription, GeneticTyrosineDNA PrimersAmino Acids, BasicSaccharomyces cerevisiae ProteinsProtein IsoformsZinc FingersSaccharomyces cerevisiaeViral ProteinsTwo-Hybrid System TechniquesConserved SequenceThreonineTrans-ActivatorsModels, BiologicalFluorescent Antibody Technique, IndirectImmunoprecipitationCell Cycle ProteinsTranscriptional ActivationMutagenesisImmunoblottingReceptors, Cytoplasmic and Nuclearbeta-GalactosidaseProtein Processing, Post-TranslationalCell Line, TumorGenes, ReporterGene Expression RegulationProteinsNucleocytoplasmic Transport ProteinsNIH 3T3 CellsPrecipitin TestsProtein-Tyrosine KinasesIntracellular Signaling Peptides and ProteinsTumor Cells, CulturedCell CycleCyclic AMP-Dependent Protein KinasesMembrane ProteinsProtein Kinase CKineticsNuclear Pore