title: Role of precursor 16S RNA in assembly of E. coli 30S ribosomes.
mesh_terms: D002499:Centrifugation, Density Gradient; D004926:Escherichia coli / Q000378:metabolism* / Q000648:ultrastructure; D008970:Molecular Weight; D011132:Polyribosomes / Q000378:metabolism; D012329:RNA, Bacterial / Q000378:metabolism*; D012335:RNA, Ribosomal / Q000378:metabolism*; D012270:Ribosomes / Q000378:metabolism*; D013696:Temperature
chemical_list: D012329:RNA, Bacterial; D012335:RNA, Ribosomal