SMN Complex ProteinsDEAD Box Protein 20Ribonucleoproteins, Small NuclearMuscular Atrophy, SpinalCoiled BodiesCyclic AMP Response Element-Binding ProteinRNA-Binding ProteinsSpliceosomesNuclear Pore Complex ProteinsNerve Tissue ProteinsHeLa CellssnRNP Core ProteinsRNA, Small NuclearMultiprotein ComplexesSurvival of Motor Neuron 1 ProteinNuclear ProteinsProtein BindingSynaptonemal ComplexRNA HelicasesMotor NeuronsProtein-Arginine N-MethyltransferasesProtein MethyltransferasesDEAD-box RNA HelicasesMolecular Sequence DataCytoplasmRNA Cap-Binding ProteinsHerpesvirus 2, SaimiriineRibonucleoprotein, U1 Small NuclearAmino Acid SequenceCell NucleusComplex MixturesNuclear EnvelopeCarrier ProteinsPrecipitin TestsRNA CapsMicroscopy, FluorescenceRecombinant Fusion ProteinsCell LineSpinal Muscular Atrophies of ChildhoodPars PlanitisProteomicsModels, BiologicalProteinsMutationNuclear PoreMass SpectrometryChromatography, LiquidXenopus laevisMeiosisBase Sequence