Nuclear Localization SignalsCell Nucleusalpha KaryopherinsActive Transport, Cell NucleusMolecular Sequence DataAmino Acid SequenceTranscription FactorsKaryopherinsNuclear ProteinsCytoplasmRecombinant Fusion ProteinsBase Sequencebeta KaryopherinsCell LineHeLa CellsProtein Structure, TertiaryGreen Fluorescent ProteinsProtein BindingSequence DeletionCOS CellsSequence Homology, Amino AcidLuminescent ProteinsProtein TransportTranscription, GeneticDNA-Binding ProteinsMutationTransfectionCloning, MolecularProtein Sorting SignalsNuclear Export SignalsSubcellular FractionsBinding SitesSignal TransductionPromoter Regions, GeneticGene Expression RegulationRNA, MessengerTranscriptional ActivationTrans-ActivatorsBiological TransportCarrier ProteinsSp1 Transcription FactorDNA PrimersRepressor Proteinsran GTP-Binding ProteinZinc FingersCell NucleolusCercopithecus aethiopsGenes, ReporterAmino Acid MotifsDNAPlasmidsCells, CulturedPhosphorylationCell CompartmentationMicroscopy, FluorescenceMutagenesis, Site-DirectedNucleoplasminsHomeodomain ProteinsSequence AlignmentSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsDNA, ComplementaryGene Expression Regulation, DevelopmentalBlotting, WesternRecombinant ProteinsConserved SequenceBasic Helix-Loop-Helix Transcription FactorsTwo-Hybrid System TechniquesTranscription Factor AP-1RNA-Binding ProteinsForkhead Transcription FactorsCell DifferentiationModels, Biologicalbeta-Galactosidase3T3 CellsGene ExpressionFluorescent Antibody TechniqueReceptors, Cytoplasmic and NuclearMicroscopy, ConfocalReverse Transcriptase Polymerase Chain ReactionCell Line, TumorMutagenesisProtein IsoformsNuclear EnvelopeFungal ProteinsDrosophila ProteinsBasic-Leucine Zipper Transcription FactorsTumor Cells, CulturedNF-kappa BKruppel-Like Transcription FactorsPhosphoproteinsAmino Acids, BasicNIH 3T3 CellsTranscription Factor AP-2ImmunohistochemistryPlant ProteinsFluorescent Antibody Technique, IndirectCell Cycle ProteinsLuciferasesViral Proteins