PFKFB4

6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 4

Summary

The protein encoded by this gene is one of four bifunctional kinase/phosphatases that regulate the concentration of the glycolytic byproduct fructose-2,6-bisphosphate (F2,6BP). The encoded protein is highly expressed in cancer cells and is induced by hypoxia. This protein is essential to the survival of cancer cells under conditions of hypoxia, because it increases the amount of F2,6BP and ATP at a time when the cell cannot produce much of them. This finding suggests that this protein may be a good target for disruption in cancer cells, hopefully imperiling their survival. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2015]

Known Variants26 total

rsidPosition (GRCh37)AllelesClassClinVar
rs1378715543:48,557,151T/C3 prime UTR variant—
rs25303191543:48,557,202A/T—uncertain significance
rs5601458113:48,559,433G/A—uncertain significance
rs3757668783:48,559,438G/A—uncertain significance
rs2015088463:48,561,146C/G—uncertain significance
rs20421727993:48,561,244T/G—uncertain significance
rs738315803:48,562,122C/Gintron variant—
rs7679955473:48,572,989C/G—uncertain significance
rs9447914163:48,572,998C/T—uncertain significance
rs9708376963:48,573,037C/T—uncertain significance
rs5505431153:48,573,729C/T—uncertain significance
rs7802810123:48,573,733C/T—uncertain significance
rs7510127773:48,573,762C/T—uncertain significance
rs7589130973:48,573,790C/T—uncertain significance
rs20426192353:48,573,877T/G—uncertain significance
rs7464919153:48,575,971A/G—uncertain significance
rs9341887753:48,575,980T/C—uncertain significance
rs20427022163:48,576,019G/A—uncertain significance
rs14826238833:48,576,048A/C—uncertain significance
rs1404648943:48,581,045G/A—uncertain significance
rs25306709503:48,587,367C/G—uncertain significance
rs12560657193:48,587,387T/C—uncertain significance
rs13438551143:48,587,388T/G—uncertain significance
rs7615700643:48,587,554G/A—uncertain significance
rs15601776403:48,587,556G/A—uncertain significance
rs20433343593:48,594,134A/G—uncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.