A phosphorylated six-carbon
sugar formed in the second step of
glycolysis by the action of phosphoglucose isomerase on glucose 6-phosphate. In the third step, fructose 6-phospate and
ATP are used to create fructose 1,6-biphosphate, ADP and a free
hydrogen with the aid of phosphofructokinase.
From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.