title: Studies on the crystallization of Escherichia coli ribosomes.
mesh_terms: D003460:Crystallization / Q000379:methods*; D004926:Escherichia coli / Q000648:ultrastructure*; D008854:Microscopy, Electron; D012270:Ribosomes / Q000648:ultrastructure*; D014461:Ultracentrifugation; D014961:X-Ray Diffraction