Nuclear Export SignalsKaryopherinsLeucine ZippersActive Transport, Cell NucleusNuclear Localization SignalsCell NucleusCytoplasmAmino Acid SequenceMolecular Sequence DataLeucineReceptors, Cytoplasmic and NuclearProtein Sorting SignalsFatty Acids, UnsaturatedGene Products, revNucleocytoplasmic Transport Proteinsran GTP-Binding ProteinProtein Transportrev Gene Products, Human Immunodeficiency VirusRecombinant Fusion ProteinsNuclear ProteinsHeLa CellsNuclear Pore Complex ProteinsBiological TransportProtein Structure, TertiaryGreen Fluorescent ProteinsLuminescent ProteinsCell LineRNA-Binding ProteinsCOS CellsMutationSignal TransductionSequence Homology, Amino AcidAmino Acid MotifsProtein BindingCarrier ProteinsMicroscopy, FluorescenceCercopithecus aethiopsGene Products, rexbeta KaryopherinsTransfectionNIH 3T3 CellsMutagenesis, Site-DirectedRNA TransportNuclear PoreDNA-Binding ProteinsRibonucleoproteinsSubcellular FractionsSaccharomyces cerevisiae ProteinsRNA, MessengerTranscription FactorsBase Sequencealpha KaryopherinsBinding SitesNuclear EnvelopeSequence AlignmentSaccharomyces cerevisiaeConserved SequencePlasmidsHinge ExonsCell NucleolusModels, BiologicalPhosphorylationTrans-ActivatorsTwo-Hybrid System TechniquesAntibiotics, AntineoplasticCell CompartmentationGenes, ReporterTranscription, Genetic14-3-3 Proteins3T3 CellsAmino Acid SubstitutionRecombinant ProteinsFungal ProteinsSequence DeletionMicroinjectionsModels, MolecularLIM Domain ProteinsConsensus SequenceCells, CulturedRNA SplicingDNA PrimersCloning, MolecularProteinsMutagenesisProtein IsoformsTranscriptional ActivationViral ProteinsHIV-1UbiquitinPrecipitin TestsFluorescent Antibody Technique, IndirectRNA, ViralMutant ProteinsGene Expression RegulationCytosolCell Line, TumorMitogen-Activated Protein Kinase KinasesXenopusBlotting, WesternAdaptor Proteins, Signal Transducing