title: Enzymatic conversion of vitamin B 12a to adenosyl-B 12: evidence for the existence of two separate reducing systems.
mesh_terms: D000438:Alcohols / Q000378:metabolism; D002474:Cell-Free System; D003013:Clostridium / Q000201:enzymology*; D003067:Coenzymes / Q000378:metabolism*; D005486:Flavin Mononucleotide / Q000378:metabolism; D005182:Flavin-Adenine Dinucleotide / Q000378:metabolism; D006358:Hot Temperature; D009243:NAD / Q000378:metabolism; D009249:NADP / Q000378:metabolism; D009705:Nucleosides / Q000096:biosynthesis*; D010088:Oxidoreductases / Q000378:metabolism; D013053:Spectrophotometry; D013455:Sulfur / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism*
chemical_list: D000438:Alcohols; D003067:Coenzymes; D009705:Nucleosides; D009243:NAD; D005182:Flavin-Adenine Dinucleotide; D009249:NADP; D013455:Sulfur; D005486:Flavin Mononucleotide; D010088:Oxidoreductases; D014805:Vitamin B 12