title: Extraction of high molecular weight complexes of protein from 50-S ribosomes.
mesh_terms: D001426:Bacterial Proteins; D002501:Centrifugation, Zonal; D055598:Chemical Phenomena; D011232:Chemical Precipitation; D002627:Chemistry, Physical; D004586:Electrophoresis; D004926:Escherichia coli; D046911:Macromolecular Substances; D008956:Models, Chemical; D008970:Molecular Weight; D009905:Optical Rotatory Dispersion; D011137:Polystyrenes; D012270:Ribosomes; D012995:Solubility; D014783:Viscosity
chemical_list: D001426:Bacterial Proteins; D046911:Macromolecular Substances; D011137:Polystyrenes