The molecule is a molybdopterin dinucleotide in which the other nucleobase is cytosine and the coordinated molybdenum species is MoO2. It is a molybdopterin dinucleotide and a Mo-molybdopterin cofactor.
(5aR,8R,9aR)-2-amino-8-[[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxymethyl]-4-oxo-3,5,5a,8,9a,10-hexahydropyrano[3,2-g]pteridine-6,7-dithiolate;dioxomolybdenum(2+)