The biosynthesis of the 5,6-dimethylbenzimidazole moiety of vitamin B12.
D001562:Benzimidazoles / Q000096:biosynthesis*; D002247:Carbon Isotopes; D011424:Propionibacterium / Q000378:metabolism*; D014805:Vitamin B 12 / Q000096:biosynthesis*
D001562:Benzimidazoles; D002247:Carbon Isotopes; D014805:Vitamin B 12