[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl (2S,3R,4S,5S)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl dihydrogen diphosphate

D3G6S4 — UTP-monosaccharide-1-phosphate uridylyltransferase