title: Binding sites of ribosomal proteins on two specific fragments derived from Escherichia coli 50 S ribosomes.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis*; D001665:Binding Sites; D002845:Chromatography; D004586:Electrophoresis; D004926:Escherichia coli / Q000032:analysis; D005782:Gels; D012270:Ribosomes / Q000032:analysis*
chemical_list: D001426:Bacterial Proteins; D005782:Gels