title: Some methods using protection from chemical and enzymic modification to determine protein-protein relationships in ribosomes.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel / Q000379:methods; D004926:Escherichia coli / Q000648:ultrastructure; D046911:Macromolecular Substances; D008970:Molecular Weight; D010447:Peptide Hydrolases; D011485:Protein Binding; D012269:Ribosomal Proteins / Q000032:analysis*; D012270:Ribosomes / Q000648:ultrastructure*
chemical_list: D001426:Bacterial Proteins; D046911:Macromolecular Substances; D012269:Ribosomal Proteins; D010447:Peptide Hydrolases