title: Repression of Arg mRNA synthesis by L-arginine in cell-free extracts of Escherichia coli.
mesh_terms: D001120:Arginine / Q000235:genetics / Q000494:pharmacology*; D002474:Cell-Free System; D004794:Enzyme Repression; D004926:Escherichia coli / Q000235:genetics / Q000378:metabolism*; D005809:Genes, Regulator; D012333:RNA, Messenger / Q000096:biosynthesis*
chemical_list: D012333:RNA, Messenger; D001120:Arginine