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Phosphofructokinase catalyses the phosphorylation of fructose-6-phosphate to fructose-1,6-bisphosphate, a key regulatory step in the glycolytic pathway. [ 2 ] [ 3 ] It is allosterically inhibited by ATP and allosterically activated by AMP , thus indicating the cell's energetic needs when it undergoes the glycolytic pathway. [ 4 ]
Phosphofructokinase-1 (PFK-1) is one of the most important regulatory enzymes (EC 2.7.1.11) of glycolysis. It is an allosteric enzyme made of 4 subunits and controlled by many activators and inhibitors .
Phosphofructokinase-2 (6-phosphofructo-2-kinase, PFK-2) or fructose bisphosphatase-2 (FBPase-2), is an enzyme indirectly responsible for regulating the rates of ...
Phosphofructokinase deficiency is a rare muscular metabolic disorder, with an autosomal recessive inheritance pattern. It is characterized as a deficiency in the Phosphofructokinase (PFK) enzyme throughout the body, including the skeletal muscles and red blood cells. Phosphofrucotkinase is an enzyme involved in the glycolytic process.
6-phosphofructokinase, muscle type is an enzyme that in humans is encoded by the PFKM gene on chromosome 12. Three phosphofructokinase isozymes exist in humans: muscle, liver and platelet . These isozymes function as subunits of the mammalian tetramer phosphofructokinase, which catalyzes the phosphorylation of fructose-6-phosphate to fructose-1 ...
In enzymology, an ADP-specific phosphofructokinase (EC 2.7.1.146) is an enzyme that catalyzes the chemical reaction. ADP + D-fructose 6-phosphate AMP + D-fructose 1,6-bisphosphate. Thus, the two substrates of this enzyme are ADP and D-fructose 6-phosphate, whereas its two products are AMP and D-fructose 1,6-bisphosphate.
In enzymology, 1-phosphofructokinase (EC 2.7.1.56) is an enzyme that catalyzes the chemical reaction ATP + D-fructose 1-phosphate → ADP + D-fructose 1,6-bisphosphate Thus, the two substrates of this enzyme are ATP and D-fructose 1-phosphate , whereas its two products are ADP and D-fructose 1,6-bisphosphate .
6-phosphofructokinase, liver type (PFKL) is an enzyme that in humans is encoded by the PFKL gene on chromosome 21. [5] This gene encodes the liver (L) isoform of phosphofructokinase-1 , an enzyme that catalyzes the conversion of D - fructose 6-phosphate to D - fructose 1,6-bisphosphate , which is a key step in glucose metabolism ( glycolysis ).