title: The effect of trypsin on  30 -S and  50 -S ribosomal subunits of Escherichia coli.
mesh_terms: D003956:Dialysis; D004492:Edetic Acid; D004586:Electrophoresis; D004926:Escherichia coli / Q000166:cytology / Q000187:drug effects*; D046911:Macromolecular Substances; D011506:Proteins / Q000302:isolation & purification; D012270:Ribosomes / Q000187:drug effects*; D014357:Trypsin / Q000494:pharmacology*
chemical_list: D046911:Macromolecular Substances; D011506:Proteins; D004492:Edetic Acid; D014357:Trypsin