Nuclear ProteinsMolecular Sequence DataAmino Acid SequenceBase SequenceCell NucleusBinding SitesProtein BindingMutagenesis, Site-DirectedDNA-Binding ProteinsSequence Homology, Amino AcidModels, MolecularMutationProtein Structure, TertiaryCell LinePromoter Regions, GeneticCloning, MolecularDNANucleoproteinsProtein ConformationTranscription FactorsTranscription, GeneticHeLa CellsSequence AlignmentRecombinant Fusion ProteinsKineticsRecombinant Proteinsran GTP-Binding ProteinStructure-Activity RelationshipProtein Structure, SecondaryTransfectionAmino Acid SubstitutionSubstrate SpecificityNuclear Localization SignalsNucleoplasminsElectrophoresis, Polyacrylamide GelCysteineEscherichia coliAmino AcidsConserved SequencePeptide FragmentsGene Expression RegulationRNA, MessengerCytoplasmActive Transport, Cell NucleusLysineRegulatory Sequences, Nucleic AcidMolecular WeightPlasmidsDrug ResiduesPeptidesDNA, ComplementaryDeoxyribonuclease IPhosphorylationKaryopherinsEnhancer Elements, GeneticCrystallography, X-RayNuclear EnvelopeMutagenesisDNA PrimersProteinsHistonesAmino Acid MotifsSequence Homology, Nucleic AcidCarrier ProteinsOligodeoxyribonucleotidesRestriction MappingPesticide ResiduesSequence DeletionCOS CellsHistidineCatalytic DomainTumor Cells, CulturedEpstein-Barr Virus Nuclear AntigensSaccharomyces cerevisiaeCatalysisalpha KaryopherinsRNA-Binding ProteinsPoint MutationCells, CulturedCircular DichroismNuclear Pore Complex ProteinsBinding, CompetitiveChromosomal Proteins, Non-HistoneLiverProtein Processing, Post-TranslationalMagnetic Resonance SpectroscopyTranscriptional ActivationSerineConsensus SequenceArginineCattleDimerizationBlotting, WesternBacterial ProteinsChromatinOligonucleotide ProbesSp1 Transcription FactorHydrogen-Ion ConcentrationSaccharomyces cerevisiae ProteinsTwo-Hybrid System Techniques