title: Stability and homogeneity of preparations of ribosomal particles from Escherichia coli.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis; D002247:Carbon Isotopes; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D004355:Drug Stability; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000032:analysis / Q000166:cytology* / Q000378:metabolism; D007700:Kinetics; D008274:Magnesium; D008722:Methods; D011072:Poly U / Q000378:metabolism; D012329:RNA, Bacterial / Q000032:analysis; D012335:RNA, Ribosomal / Q000032:analysis*; D012270:Ribosomes / Q000032:analysis* / Q000378:metabolism; D013696:Temperature; D013997:Time Factors; D014158:Transcription, Genetic; D014461:Ultracentrifugation
chemical_list: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D011072:Poly U; D008274:Magnesium