phos·pho·fruc·to·ki·nase .fäs-(.)fō-.frək-tō-'kī-.nās, -.frük-, -.fru̇k-, -.nāz n an enzyme that functions in carbohydrate metabolism and esp. in glycolysis by catalyzing the transfer of a second phosphate (as from ATP) to fructose
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n.
an enzyme that catalyses the conversion of fructose-6-phosphate to fructose-1,6-diphosphate. This is an important reaction occurring during the process of glycolysis.
Medical dictionary. 2011.