title: Primary sequences and their determination.
mesh_terms: D004926:Escherichia coli / Q000032:analysis; D010759:Phosphorus Isotopes; D012329:RNA, Bacterial / Q000032:analysis*; D012343:RNA, Transfer / Q000032:analysis
chemical_list: D010759:Phosphorus Isotopes; D012329:RNA, Bacterial; D012343:RNA, Transfer