snRNP Core ProteinsRibonucleoproteins, Small NuclearRibonucleoprotein, U1 Small NuclearRibonucleoprotein, U2 Small NuclearRibonucleoproteinsHeterogeneous-Nuclear RibonucleoproteinsRibonucleoprotein, U4-U6 Small NuclearRNA, Small NuclearHeterogeneous-Nuclear Ribonucleoprotein Group A-BRibonucleoprotein, U5 Small NuclearRNA SplicingHeterogeneous-Nuclear Ribonucleoprotein KSpliceosomesRibonucleoprotein, U7 Small NuclearHeterogeneous-Nuclear Ribonucleoprotein Group CNuclear ProteinsRNA PrecursorsMolecular Sequence DataRNA, Heterogeneous NuclearRNA-Binding ProteinsHeterogeneous-Nuclear Ribonucleoprotein Group F-HHeLa CellsBase SequenceCell NucleusHeterogeneous-Nuclear Ribonucleoprotein LAmino Acid SequenceAutoantigensNucleoproteinsHeterogeneous-Nuclear Ribonucleoprotein U