title: Endoribonuclease activity associated with heterogeneous nuclear ribonucleoprotein particles of HeLa cells [proceedings].
mesh_terms: D002467:Cell Nucleus / Q000187:drug effects / Q000201:enzymology*; D003609:Dactinomycin / Q000494:pharmacology; D004720:Endonucleases / Q000378:metabolism*; D006367:HeLa Cells / Q000201:enzymology*; D008970:Molecular Weight; D009698:Nucleoproteins / Q000378:metabolism*; D012260:Ribonucleases / Q000378:metabolism*; D012261:Ribonucleoproteins / Q000378:metabolism*
chemical_list: D009698:Nucleoproteins; D012261:Ribonucleoproteins; D003609:Dactinomycin; D004720:Endonucleases; D012260:Ribonucleases