title: Protease activity associated with HeLa cell ribosomes.
mesh_terms: D000818:Animals; D002417:Cattle; D002501:Centrifugation, Zonal; D006367:HeLa Cells / Q000201:enzymology*; D007700:Kinetics; D010447:Peptide Hydrolases / Q000302:isolation & purification / Q000378:metabolism*; D012270:Ribosomes / Q000201:enzymology*; D014357:Trypsin / Q000378:metabolism
chemical_list: D010447:Peptide Hydrolases; D014357:Trypsin