title: A preliminary three-dimensional arrangement of the proteins in the Escherichia coli 30-S ribosomal sub-particle.
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification*; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000166:cytology* / Q000187:drug effects; D000431:Ethanol; D008274:Magnesium; D008836:Micrococcal Nuclease / Q000494:pharmacology; D008954:Models, Biological; D009698:Nucleoproteins / Q000302:isolation & purification; D010179:Pancreas / Q000201:enzymology; D012260:Ribonucleases / Q000494:pharmacology; D012270:Ribosomes / Q000187:drug effects; D014508:Urea
chemical_list: D001426:Bacterial Proteins; D009698:Nucleoproteins; D000431:Ethanol; D014508:Urea; D012260:Ribonucleases; D008836:Micrococcal Nuclease; D008274:Magnesium