title: Isolation of four ribonucleoprotein fragments from the 30 S subunit of E. coli ribosomes.
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification*; D002501:Centrifugation, Zonal; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000166:cytology*; D006868:Hydrolysis; D009698:Nucleoproteins / Q000302:isolation & purification*; D011485:Protein Binding / Q000187:drug effects; D012260:Ribonucleases; D012270:Ribosomes / Q000032:analysis*; D013307:Streptomycin / Q000494:pharmacology
chemical_list: D001426:Bacterial Proteins; D009698:Nucleoproteins; D012260:Ribonucleases; D013307:Streptomycin