title: Physical characteristics of the reconstitution intermediate RI50(1) from the 50 S ribosomal subunit of Escherichia coli.
mesh_terms: D002501:Centrifugation, Zonal; D004229:Dithiothreitol; D004926:Escherichia coli / Q000648:ultrastructure*; D008274:Magnesium; D008433:Mathematics; D012269:Ribosomal Proteins / Q000032:analysis*; D012270:Ribosomes / Q000648:ultrastructure*
chemical_list: D012269:Ribosomal Proteins; D008274:Magnesium; D004229:Dithiothreitol