title: Effect of L-methionine and vitamin B 12 on methionine biosynthesis in Escherichia coli.
mesh_terms: D000596:Amino Acids; D000814:Aniline Compounds; D002247:Carbon Isotopes; D003864:Depression, Chemical; D004794:Enzyme Repression; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism*; D006836:Hydro-Lyases / Q000096:biosynthesis*; D008715:Methionine / Q000096:biosynthesis* / Q000494:pharmacology; D010088:Oxidoreductases / Q000096:biosynthesis*; D013237:Stereoisomerism; D014166:Transferases / Q000096:biosynthesis*; D014805:Vitamin B 12 / Q000494:pharmacology*
chemical_list: D000596:Amino Acids; D000814:Aniline Compounds; D002247:Carbon Isotopes; D008715:Methionine; D010088:Oxidoreductases; D014166:Transferases; D006836:Hydro-Lyases; D014805:Vitamin B 12