title: A mutant of E. coli with an altered supernatant factor.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis*; D002247:Carbon Isotopes; D002474:Cell-Free System; D004926:Escherichia coli / Q000378:metabolism*; D005827:Genetics, Microbial; D008025:Ligases / Q000378:metabolism; D008239:Lysine / Q000096:biosynthesis; D009154:Mutation; D010641:Phenotype; D010649:Phenylalanine / Q000096:biosynthesis; D012343:RNA, Transfer / Q000378:metabolism; D012270:Ribosomes
chemical_list: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D010649:Phenylalanine; D012343:RNA, Transfer; D008025:Ligases; D008239:Lysine