title: Corrinoids from Methanosarcina barkeri: structure of the alpha-ligand.
mesh_terms: D001562:Benzimidazoles; D055598:Chemical Phenomena; D002621:Chemistry; D045728:Corrinoids; D019605:Euryarchaeota / Q000378:metabolism*; D008024:Ligands; D014805:Vitamin B 12 / Q000378:metabolism
chemical_list: D001562:Benzimidazoles; D045728:Corrinoids; D008024:Ligands; C036435:5-hydroxybenzimidazole; D014805:Vitamin B 12