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 CellsMolecular Sequence DataRNA PrecursorsSpliceosomessnRNP Core ProteinsRNA, Small NuclearHeterogeneous-Nuclear Ribonucleoprotein Group MCell NucleusRibonucleoprotein, U4-U6 Small NuclearBase SequenceAntibodiesProtein BindingRNARNA, MessengerRibonucleoprotein, U5 Small NuclearAmino Acid SequenceNucleoproteinsAlternative SplicingNuclear ProteinsAutoantigensPoly C3' Untranslated RegionsThymus HormonesAntibody SpecificityCytoplasmCell LineTranscription, GeneticBinding SitesCoiled BodiesPolypyrimidine Tract-Binding ProteinRibonucleoprotein, U7 Small NuclearRNA, Small CytoplasmicRNA TransportNucleic Acid ConformationAntibodies, MonoclonalExonsRNA Processing, Post-TranscriptionalProtein-Arginine N-MethyltransferasesAntibodies, ViralProtein BiosynthesisAutoantibodiesElectrophoresis, Gel, Two-DimensionalRecombinant ProteinsImmunoprecipitationFluorescent Antibody TechniqueNucleocytoplasmic Transport ProteinsPrecipitin TestsSMN Complex ProteinsMolecular WeightAntibodies, BacterialRibonucleoproteins, Small NucleolarRNA StabilityCloning, MolecularProtein Structure, TertiaryChromatography, AffinityPoly ASequence Homology, Amino AcidElectrophoresis, Polyacrylamide Gel5' Untranslated RegionsIntronsGene Expression RegulationDNABlotting, WesternTwo-Hybrid System TechniquesActive Transport, Cell NucleusRecombinant Fusion ProteinsRNA, ViralDNA-Binding ProteinsAntibodies, AntinuclearDNA, ComplementaryMutationCross-Linking ReagentsTransfectionAntibody FormationAntibodies, NeutralizingDNA PrimersImmunoblottingCell NucleolusSaccharomyces cerevisiaeDEAD Box Protein 20Protein IsoformsUltraviolet RaysCell Line, TumorEpitopesDNA, Single-Stranded