title: A method for the preparation of bacterial 50-S ribosome subunits.
mesh_terms: D001410:Bacillus megaterium / Q000166:cytology*; D001426:Bacterial Proteins; D066298:In Vitro Techniques; D012329:RNA, Bacterial; D012270:Ribosomes; D013501:Surface-Active Agents; D014461:Ultracentrifugation; D014465:Ultrasonics
chemical_list: D001426:Bacterial Proteins; D012329:RNA, Bacterial; D013501:Surface-Active Agents