Fructose 1,6-bisphosphate

Fructose 1,6-bisphosphate, also known as Harden-Young ester, is fructose sugar phosphorylated on carbons 1 and 6 (i.e., is a fructosephosphate). The β--form of this compound is very common in cells. The vast majority of glucose and fructose entering a cell will become converted to fructose 1,6-bisphosphate at some point.