title: The decline and fall of protein chemistry?
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D004274:DNA, Recombinant; D004926:Escherichia coli / Q000235:genetics; D005696:Galactosidases / Q000235:genetics*; D005796:Genes; D007763:Lac Operon; D008722:Methods; D012270:Ribosomes / Q000378:metabolism; D001616:beta-Galactosidase / Q000235:genetics*
chemical_list: D004274:DNA, Recombinant; D005696:Galactosidases; D001616:beta-Galactosidase