Biosynthesis of vitamin B12. Formation of free 5,6-dimethylbenzimidazole and alpha-ribazole from riboflavin by Propionibacterium freudenreichii.
D001562:Benzimidazoles / Q000378:metabolism; D011424:Propionibacterium / Q000378:metabolism*; D012256:Riboflavin / Q000378:metabolism*; D012263:Ribonucleosides / Q000378:metabolism; D014805:Vitamin B 12 / Q000096:biosynthesis*
D001562:Benzimidazoles; D012263:Ribonucleosides; C015491:alpha-ribazole; C015158:5,6-dimethylbenzimidazole; D014805:Vitamin B 12; D012256:Riboflavin