Nuclear Localization SignalsCell NucleusActive Transport, Cell NucleusCytoplasmProteomicsAmino Acid SequenceMolecular Sequence Dataalpha KaryopherinsKaryopherinsProteomeMass Spectrometrybeta KaryopherinsTandem Mass SpectrometryChromatography, LiquidRecombinant Fusion ProteinsNuclear ProteinsHeLa CellsProtein TransportProteinsProtein Sorting SignalsPeptide MappingNuclear Export SignalsDatabases, ProteinCell LineElectrophoresis, Gel, Two-DimensionalCOS CellsProtein Structure, TertiarySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationProtein BindingBase SequencePeptidesDNA-Binding ProteinsSequence DeletionTranscription FactorsSignal TransductionGreen Fluorescent ProteinsTransfectionSequence Analysis, ProteinMutationOncogene Proteins v-relLuminescent ProteinsAmino Acid MotifsBiological TransportSequence Homology, Amino Acidran GTP-Binding ProteinPhosphorylationProto-Oncogene Proteins c-relSubcellular FractionsI-kappa B ProteinsBinding SitesCell NucleolusSoftwareMetric SystemCell CompartmentationNucleoplasminsCercopithecus aethiopsSpectrometry, Mass, Electrospray IonizationReceptors, Cytoplasmic and NuclearMicroscopy, FluorescenceAlgorithmsSaccharomyces cerevisiae ProteinsComplex MixturesSequence AlignmentCloning, MolecularBlotting, WesternMutagenesis, Site-DirectedProtein Processing, Post-TranslationalNuclear EnvelopeTranscription Factor RelBSaccharomyces cerevisiaeMicroscopy, ConfocalRNA-Binding ProteinsSearch EngineFluorescent Antibody TechniqueRNA, MessengerAmino Acids, BasicComputational BiologyPlant ProteinsNF-kappa BCells, CulturedPlasmidsDNA, ComplementaryZinc FingersProtein-Serine-Threonine KinasesRecombinant ProteinsFungal ProteinsCarrier ProteinsViral ProteinsFluorescent Antibody Technique, IndirectCellular StructuresCyclin B1Conserved Sequencebeta-GalactosidaseIntracellular Signaling Peptides and ProteinsMembrane ProteinsPeptide FragmentsDNA PrimersTwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsElectrophoresis, Polyacrylamide Gel