The molecule is an organophosphate oxoanion that is molybdopterin adenine dinucleotide protonated to pH 7.3. It is a conjugate base of a molybdopterin adenine dinucleotide.
[[(5aR,8R,9aR)-2-amino-4-oxo-6-sulfanyl-7-sulfido-3,5,5a,8,9a,10-hexahydropyrano[3,2-g]pteridin-8-yl]methoxy-oxidophosphoryl] [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate