title: Hypothesis for catabolite repression.
mesh_terms: D000409:Alanine / Q000378:metabolism; D000595:Amino Acid Sequence; D001426:Bacterial Proteins / Q000096:biosynthesis*; D004926:Escherichia coli / Q000378:metabolism*; D005809:Genes, Regulator; D005815:Genetic Code; D008715:Methionine / Q000378:metabolism; D008954:Models, Biological; D009876:Operon; D012329:RNA, Bacterial / Q000378:metabolism; D012694:Serine / Q000378:metabolism
chemical_list: D001426:Bacterial Proteins; D012329:RNA, Bacterial; D012694:Serine; D008715:Methionine; D000409:Alanine