title: Neutron scattering study of the 13 S fragment of 16 S RNA and its complex with ribosomal protein S4.
mesh_terms: D001426:Bacterial Proteins; D002499:Centrifugation, Density Gradient; D004926:Escherichia coli; D008854:Microscopy, Electron; D009502:Neutrons; D011485:Protein Binding; D012329:RNA, Bacterial; D012269:Ribosomal Proteins; D012542:Scattering, Radiation
chemical_list: D001426:Bacterial Proteins; D012329:RNA, Bacterial; D012269:Ribosomal Proteins