The molecule is an organophosphate oxoanion arising from deprotonation of the four diphosphate OH groups of tungsten-bis(molybdopterin guanine dinucleotide); major species at pH 7.3. It is an organophosphate oxoanion and a W-molybdopterin cofactor. It is a conjugate base of a tungsten-bis(molybdopterin guanine dinucleotide).
[(2-amino-4-oxo-6,7-disulfido-3,5,5a,8,9a,10-hexahydropyrano[3,2-g]pteridin-8-yl)methoxy-oxidophosphoryl] [(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate;tungsten