title: Absence of thiolated nucleotides in ribosomal RNA of E. coli.
mesh_terms: D002499:Centrifugation, Density Gradient; D004926:Escherichia coli; D009711:Nucleotides / Q000032:analysis*; D012329:RNA, Bacterial / Q000032:analysis*; D012343:RNA, Transfer / Q000032:analysis*; D012270:Ribosomes / Q000032:analysis; D013438:Sulfhydryl Compounds / Q000032:analysis*; D013460:Sulfur Isotopes
chemical_list: D009711:Nucleotides; D012329:RNA, Bacterial; D013438:Sulfhydryl Compounds; D013460:Sulfur Isotopes; D012343:RNA, Transfer