title: Conformation and activity of subspecies of 30 S ribosomes from Escherichia coli.
mesh_terms: D002499:Centrifugation, Density Gradient; D002942:Circular Dichroism; D004926:Escherichia coli / Q000378:metabolism / Q000648:ultrastructure; D009690:Nucleic Acid Conformation; D011487:Protein Conformation; D012329:RNA, Bacterial / Q000378:metabolism; D012333:RNA, Messenger / Q000378:metabolism; D012335:RNA, Ribosomal / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism*
chemical_list: D012329:RNA, Bacterial; D012333:RNA, Messenger; D012335:RNA, Ribosomal