title: Spectrophotometric evidence for the formation of an Escherichia coli B B-12s methyltransferase.
mesh_terms: D000438:Alcohols; D002247:Carbon Isotopes; D004926:Escherichia coli / Q000201:enzymology*; D005492:Folic Acid; D005609:Free Radicals; D006710:Homocysteine; D006863:Hydrogen-Ion Concentration; D007454:Iodides; D008025:Ligases / Q000302:isolation & purification; D008715:Methionine; D008745:Methylation; D010084:Oxidation-Reduction; D013053:Spectrophotometry; D013455:Sulfur; D014166:Transferases; D014466:Ultraviolet Rays; D014805:Vitamin B 12
chemical_list: D000438:Alcohols; D002247:Carbon Isotopes; D005609:Free Radicals; D007454:Iodides; D006710:Homocysteine; D013455:Sulfur; D005492:Folic Acid; D008715:Methionine; D014166:Transferases; D008025:Ligases; D014805:Vitamin B 12