title: [5-15N]Riboflavin as precursor in the biosynthesis of the 5,6-dimethylbenzimidazole moiety of vitamin B12. A study by 1H and 15N magnetic resonance spectroscopy.
mesh_terms: D001562:Benzimidazoles / Q000378:metabolism*; D009682:Magnetic Resonance Spectroscopy; D011424:Propionibacterium / Q000378:metabolism; D012256:Riboflavin / Q000378:metabolism*; D014805:Vitamin B 12 / Q000096:biosynthesis*
chemical_list: D001562:Benzimidazoles; C015158:5,6-dimethylbenzimidazole; D014805:Vitamin B 12; D012256:Riboflavin