title: Properties of ribosomes and ribosomal RNA formed by a relaxed mutant of Escherichia coli during growth with ethionine.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D004926:Escherichia coli / Q000254:growth & development / Q000378:metabolism*; D005001:Ethionine / Q000378:metabolism*; D008274:Magnesium / Q000494:pharmacology; D008715:Methionine / Q000378:metabolism; D008745:Methylation; D009154:Mutation; D012329:RNA, Bacterial / Q000096:biosynthesis*; D012270:Ribosomes / Q000187:drug effects*; D013395:Sucrose; D014316:Tritium
chemical_list: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D012329:RNA, Bacterial; D014316:Tritium; D013395:Sucrose; D008715:Methionine; D008274:Magnesium; D005001:Ethionine