title: The influence of 6-M urea on 30-S ribosomes of Escherichia coli.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis; D001665:Binding Sites; D002942:Circular Dichroism; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli; D008274:Magnesium; D009994:Osmolar Concentration; D011487:Protein Conformation; D000644:Quaternary Ammonium Compounds; D012329:RNA, Bacterial / Q000378:metabolism; D012335:RNA, Ribosomal / Q000378:metabolism; D012270:Ribosomes / Q000187:drug effects*; D014461:Ultracentrifugation; D014508:Urea / Q000494:pharmacology*
chemical_list: D001426:Bacterial Proteins; D000644:Quaternary Ammonium Compounds; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D014508:Urea; D008274:Magnesium