title: 50-S ribosomal proteins. Peptide studies on two acidic proteins, A 1  and A 2 , isolated from 50-S ribosomes of Escherichia coli.
mesh_terms: D000595:Amino Acid Sequence; D001322:Autoanalysis; D001426:Bacterial Proteins / Q000032:analysis*; D002854:Chromatography, Paper; D004590:Electrophoresis, Paper; D004926:Escherichia coli / Q000032:analysis; D008239:Lysine / Q000032:analysis; D008745:Methylation; D008970:Molecular Weight; D010455:Peptides / Q000032:analysis; D011489:Protein Denaturation / Q000187:drug effects; D012270:Ribosomes / Q000032:analysis*; D014357:Trypsin
chemical_list: D001426:Bacterial Proteins; D010455:Peptides; D014357:Trypsin; D008239:Lysine