title: Conformational changes in Escherichia coli ribosomes at low magnesium ion concentrations.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003956:Dialysis; D004492:Edetic Acid; D004926:Escherichia coli; D008274:Magnesium; D009905:Optical Rotatory Dispersion; D010179:Pancreas / Q000201:enzymology; D012329:RNA, Bacterial; D012260:Ribonucleases; D012270:Ribosomes; D014461:Ultracentrifugation; D014783:Viscosity
chemical_list: D012329:RNA, Bacterial; D004492:Edetic Acid; D012260:Ribonucleases; D008274:Magnesium