SMN Complex ProteinsRibonucleoproteins, Small NuclearRibonucleoprotein, U1 Small NuclearDEAD Box Protein 20RNA, Small NuclearRibonucleoproteinsRNA SplicingMuscular Atrophy, SpinalHeLa CellsCoiled BodiessnRNP Core ProteinsSpliceosomesRNA-Binding ProteinsCyclic AMP Response Element-Binding ProteinProtein BindingMolecular Sequence DataMultiprotein ComplexesNuclear ProteinsNuclear Pore Complex ProteinsRibonucleoprotein, U2 Small NuclearNerve Tissue ProteinsAmino Acid SequenceSurvival of Motor Neuron 1 ProteinBinding SitesBase SequenceCell NucleusRNA HelicasesRibonucleoprotein, U4-U6 Small NuclearCarrier ProteinsSynaptonemal ComplexDEAD-box RNA HelicasesDNA-Binding ProteinsRNA Cap-Binding ProteinsCell LineRibonucleoprotein, U5 Small NuclearCytoplasmProtein-Arginine N-MethyltransferasesMotor NeuronsProtein MethyltransferasesRecombinant Fusion ProteinsRNA PrecursorsSaccharomyces cerevisiae ProteinsProtein Structure, TertiaryMutationHerpesvirus 2, SaimiriineMacromolecular SubstancesModels, BiologicalModels, MolecularSaccharomyces cerevisiaePrecipitin TestsRNA CapsDNATranscription FactorsRecombinant ProteinsPromoter Regions, GeneticSequence Homology, Amino AcidRutheniumComplex MixturesKineticsNuclear EnvelopeMicroscopy, FluorescenceProtein ConformationTranscription, GeneticEscherichia coliRibonucleoprotein, U7 Small NuclearFungal ProteinsCell Cycle ProteinsCloning, MolecularRNA, MessengerNucleic Acid ConformationMembrane ProteinsProtein TransportChromosomal Proteins, Non-HistoneProteinsElectrophoresis, Polyacrylamide GelProtein SubunitsRepressor ProteinsSpinal Muscular Atrophies of ChildhoodDrosophila ProteinsExonsProteomicsTransfectionPars PlanitisChromatinXenopus laevisBinding, CompetitiveBacterial ProteinsMolecular WeightMass SpectrometryPhosphorylationGene Expression RegulationPeptidesMutagenesis, Site-DirectedCells, CulturedDimerizationSignal TransductionRNA Splice SitesPlasmidsProtein BiosynthesisChromatography, Liquid