Heterogeneous-Nuclear RibonucleoproteinsHeterogeneous-Nuclear Ribonucleoprotein Group A-BRibonucleoproteinsHeterogeneous-Nuclear Ribonucleoprotein KHeterogeneous-Nuclear Ribonucleoprotein Group CRNA, Heterogeneous NuclearRibonucleoproteins, Small NuclearHeterogeneous-Nuclear Ribonucleoprotein Group F-HHeterogeneous-Nuclear Ribonucleoprotein LHeterogeneous-Nuclear Ribonucleoprotein URibonucleoprotein, U1 Small NuclearRNA-Binding ProteinsHeterogeneous-Nuclear Ribonucleoprotein DRibonucleoprotein, U2 Small NuclearRNA SplicingHeLa CellsRNA PrecursorsMolecular Sequence DataSpliceosomessnRNP Core ProteinsRNA, Small NuclearHeterogeneous-Nuclear Ribonucleoprotein Group MRibonucleoprotein, U4-U6 Small NuclearCell NucleusBase SequenceRNAProtein BindingRibonucleoprotein, U5 Small NuclearRNA, MessengerNucleoproteinsAmino Acid SequenceAlternative SplicingNuclear ProteinsAutoantigensPoly C3' Untranslated RegionsThymus HormonesTranscription, GeneticCytoplasmCoiled BodiesBinding SitesCell LinePolypyrimidine Tract-Binding ProteinRibonucleoprotein, U7 Small NuclearRNA TransportNucleic Acid ConformationRNA, Small CytoplasmicRNA Processing, Post-TranscriptionalProtein-Arginine N-MethyltransferasesExonsProtein BiosynthesisElectrophoresis, Gel, Two-DimensionalNucleocytoplasmic Transport ProteinsSMN Complex ProteinsImmunoprecipitationRibonucleoproteins, Small NucleolarRNA StabilityPrecipitin TestsPoly ARecombinant ProteinsProtein Structure, Tertiary5' Untranslated RegionsMolecular WeightCloning, MolecularIntronsSequence Homology, Amino AcidAutoantibodiesChromatography, AffinityTwo-Hybrid System TechniquesActive Transport, Cell NucleusGene Expression RegulationDNA-Binding ProteinsRNA, ViralDNAElectrophoresis, Polyacrylamide GelCross-Linking ReagentsDNA, ComplementaryMutationTransfectionRecombinant Fusion ProteinsBlotting, WesternDEAD Box Protein 20DNA PrimersCell NucleolusSaccharomyces cerevisiaeUltraviolet RaysProtein IsoformsDNA, Single-StrandedRNA InterferenceSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationMultiprotein ComplexesDactinomycinMethylationPromoter Regions, GeneticRNA, Small InterferingPlasmidsBlotting, NorthernCell Line, TumorPhosphorylationCentrifugation, Density Gradient