PFKFB3 Protein (P323-30G)
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Description : Recombinant full-length human PFKFB3 was expressed by baculovirus in Sf9 insect cells using an N-terminal GST tag.
Species : Human
Tag : GST tag
Expression System : Sf9 insect cells using baculovirus
Sequence : Full length
Genbank Number : NM_004566
Purity : Sample Purity Data. For specific information on a given lot, see related technical data sheet.
Storage, Stability and Shipping : Store product at –70oC. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
Applications : Western Blot
Molecular Weight : ~83 kDa
Gene Aliases : IPFK2; PFK2/p>
Scientific Background : PFKFB3 or 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 is a potent activator of a key regulatory enzyme in the glycolysis pathway called phosphofructokinase. Phosphofructokinase regulates the steady-state concentration of fructose-2,6-bisphosphate, a potent activator of key regulatory enzyme of the glycolysis pathway. PFKFB3 is bifunctional, although the phosphatase activity is low due to a mutation in an active site which can be upregulated after phosphorylation by protein kinases (1). PFKFB3 may be responsible for sustaining the high glycolytic flux of rapidly proliferating leukemia cells and may represent a molecular target for chemotherapeutic intervention (2).
1. SSakakibara, R.et.al: Characterization of a human placental fructose-6-phosphate,2-kinase/fructose-2,6-bisphosphatase. J. Biochem. 122: 122-128, 1997.
2. Chesney, J. et.al: An inducible gene product for 6-phosphofructo-2-kinase with an AU-rich instability element: role in tumor cell glycolysis and the Warburg effect. Proc. Nat. Acad. Sci. 96: 3047-3052, 1999.
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Research Areas : Cancer, Cell Cycle, Metabolic Disorder,