title: Purification and properties of a specific Escherichia coli ribonuclease which cleaves a tyrosine transfer ribonucleic acid presursor.
mesh_terms: D000645:Ammonium Sulfate; D001483:Base Sequence; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D002852:Chromatography, Ion Exchange; D004586:Electrophoresis; D004789:Enzyme Activation; D004926:Escherichia coli / Q000166:cytology / Q000201:enzymology*; D005827:Genetics, Microbial; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008274:Magnesium; D009154:Mutation; D010759:Phosphorus Isotopes; D011188:Potassium; D000644:Quaternary Ammonium Compounds; D012329:RNA, Bacterial; D012343:RNA, Transfer; D012367:RNA, Viral; D012260:Ribonucleases; D012270:Ribosomes / Q000201:enzymology; D014443:Tyrosine
chemical_list: D010759:Phosphorus Isotopes; D000644:Quaternary Ammonium Compounds; D012329:RNA, Bacterial; D012367:RNA, Viral; D014443:Tyrosine; D012343:RNA, Transfer; D012260:Ribonucleases; D008274:Magnesium; D011188:Potassium; D000645:Ammonium Sulfate