The molecule is cobamide in which 5-hydroxy-1H-benzimidazole is attached by a glycosyl link from its N-1 to the C-1 of the ribose moiety. It has a role as a cofactor. It is a conjugate acid of a 5-hydroxybenzimidazolylcob(I)amide(1-).
cobalt;[(2R,3S,4R,5S)-4-hydroxy-5-(5-hydroxybenzimidazol-1-yl)-2-(hydroxymethyl)oxolan-3-yl] [(2R)-1-[3-[(1R,2R,3R,4Z,7S,9Z,12S,13S,14Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7,12,17-tetrahydro-1H-corrin-21-id-3-yl]propanoylamino]propan-2-yl] hydrogen phosphate