title: Structure of the ribosome: exposure of ribosomal proteins determined by competitive labeling.
mesh_terms: D000812:Anhydrides; D001426:Bacterial Proteins / Q000032:analysis*; D001665:Binding Sites; D001667:Binding, Competitive; D002501:Centrifugation, Zonal; D055598:Chemical Phenomena; D002621:Chemistry; D004586:Electrophoresis; D004926:Escherichia coli / Q000032:analysis; D006160:Guanosine Triphosphate / Q000378:metabolism; D008968:Molecular Conformation; D012329:RNA, Bacterial / Q000032:analysis; D012333:RNA, Messenger / Q000032:analysis; D012335:RNA, Ribosomal / Q000032:analysis; D012343:RNA, Transfer / Q000032:analysis; D012270:Ribosomes / Q000032:analysis*; D013329:Structure-Activity Relationship; D013997:Time Factors; D014316:Tritium
chemical_list: D000812:Anhydrides; D001426:Bacterial Proteins; D012329:RNA, Bacterial; D012333:RNA, Messenger; D012335:RNA, Ribosomal; D014316:Tritium; D006160:Guanosine Triphosphate; D012343:RNA, Transfer