title: Purification of a proteolytic enzyme from T4-infected Escherichia coli cells.
mesh_terms: D000645:Ammonium Sulfate; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D003090:Coliphages / Q000201:enzymology* / Q000254:growth & development; D004926:Escherichia coli; D008970:Molecular Weight; D010447:Peptide Hydrolases / Q000032:analysis / Q000302:isolation & purification / Q000378:metabolism; D010455:Peptides / Q000378:metabolism; D011498:Protein Precursors / Q000378:metabolism; D014764:Viral Proteins / Q000032:analysis / Q000378:metabolism
chemical_list: D010455:Peptides; D011498:Protein Precursors; D014764:Viral Proteins; D010447:Peptide Hydrolases; D000645:Ammonium Sulfate