title: Substructure of nuclear ribonucleoprotein complexes.
mesh_terms: D001483:Base Sequence; D002460:Cell Line; D008854:Microscopy, Electron; D008954:Models, Biological; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009698:Nucleoproteins / Q000032:analysis; D009994:Osmolar Concentration; D011485:Protein Binding; D012313:RNA; D012260:Ribonucleases / Q000378:metabolism; D012261:Ribonucleoproteins / Q000032:analysis
chemical_list: D009698:Nucleoproteins; D012261:Ribonucleoproteins; D012313:RNA; D012260:Ribonucleases