The enzyme phospho fructokinase 1 is strongly activated by:: (A) Cyclic amp, (B) Adenosine triphosphate, (C) Citrate, (D) Fructose 2,6 bisphosphate
Answer is D. Ans. D. Fructose 2,6 bisphosphatePFK is the most important regulatory enzyme in glycolysis. PFK is an allosteric enzyme regulated by allosteric effectors. ATP, citrate and H+ ions are the most important allosteric inhibitors.