Nuclear ProteinsCell NucleusMolecular Sequence DataBase SequenceDNA-Binding ProteinsAmino Acid SequencePromoter Regions, GeneticNucleoproteinsCell LineTranscription FactorsTranscription, GeneticHeLa Cellsran GTP-Binding ProteinProtein BindingDNABinding SitesNucleoplasminsCloning, MolecularRNA, MessengerGene Expression RegulationNuclear Localization SignalsTransfectionRecombinant Fusion ProteinsRegulatory Sequences, Nucleic AcidActive Transport, Cell NucleusElectrophoresis, Polyacrylamide GelDeoxyribonuclease INuclear EnvelopeEnhancer Elements, GeneticCytoplasmKaryopherinsMolecular WeightSequence Homology, Amino AcidMutationCells, CulturedTumor Cells, CulturedHistonesCell ExtractsEpstein-Barr Virus Nuclear Antigens