Heterogeneous-Nuclear Ribonucleoprotein Group CHeterogeneous-Nuclear RibonucleoproteinsHeterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear Ribonucleoprotein KHeterogeneous-Nuclear Ribonucleoprotein Group MHeterogeneous-Nuclear Ribonucleoprotein Group F-HRibonucleoproteinsRNA, Heterogeneous NuclearHeterogeneous-Nuclear Ribonucleoprotein LHeterogeneous-Nuclear Ribonucleoprotein URibonucleoproteins, Small NuclearRNA-Binding ProteinsRibonucleoprotein, U1 Small NuclearHeterogeneous-Nuclear Ribonucleoprotein DRibonucleoprotein, U2 Small NuclearRNA SplicingHeLa CellsMolecular Sequence DataRNA PrecursorsCell NucleusBase SequenceSpliceosomesProtein BindingRibonucleoprotein, U4-U6 Small NuclearRNA, Small NuclearRNARNA, MessengersnRNP Core ProteinsRibonucleoprotein, U5 Small NuclearAmino Acid SequenceAlternative SplicingNuclear ProteinsPoly C3' Untranslated RegionsThymus HormonesCytoplasmTranscription, GeneticBinding SitesNucleoproteinsPolypyrimidine Tract-Binding ProteinRibonucleoprotein, U7 Small NuclearProtein-Arginine N-MethyltransferasesExonsCell LineRNA Processing, Post-TranscriptionalAutoantigensRNA TransportNucleic Acid ConformationNucleocytoplasmic Transport ProteinsElectrophoresis, Gel, Two-DimensionalProtein Biosynthesis5' Untranslated RegionsImmunoprecipitationRNA StabilityRecombinant ProteinsTwo-Hybrid System TechniquesProtein Structure, TertiaryCloning, MolecularPoly APrecipitin TestsChromatography, AffinityCross-Linking ReagentsIntronsGene Expression RegulationSequence Homology, Amino AcidMolecular WeightDNA-Binding ProteinsDNADNA, ComplementaryElectrophoresis, Polyacrylamide GelAutoantibodiesTransfectionDNA, Single-StrandedRecombinant Fusion ProteinsActive Transport, Cell NucleusMutationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationDNA PrimersMultiprotein ComplexesRNA, ViralPromoter Regions, GeneticUltraviolet RaysRNA, Small InterferingCell Line, TumorBlotting, WesternPhosphorylationMass SpectrometryMurine hepatitis virusProtein IsoformsCoiled BodiesRNA InterferenceSaccharomyces cerevisiaeCOS CellsDactinomycinGenes, ReporterPlasmidsTranscriptional ActivationMethylationBlotting, NorthernImmunoblotting