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/Tuncertain significance
rs5601458113:48,559,433G/Auncertain significance
rs3757668783:48,559,438G/Auncertain significance
rs2015088463:48,561,146C/Guncertain significance
rs20421727993:48,561,244T/Guncertain significance
rs738315803:48,562,122C/Gintron variant
rs7679955473:48,572,989C/Guncertain significance
rs9447914163:48,572,998C/Tuncertain significance
rs9708376963:48,573,037C/Tuncertain significance
rs5505431153:48,573,729C/Tuncertain significance
rs7802810123:48,573,733C/Tuncertain significance
rs7510127773:48,573,762C/Tuncertain significance
rs7589130973:48,573,790C/Tuncertain significance
rs20426192353:48,573,877T/Guncertain significance
rs7464919153:48,575,971A/Guncertain significance
rs9341887753:48,575,980T/Cuncertain significance
rs20427022163:48,576,019G/Auncertain significance
rs14826238833:48,576,048A/Cuncertain significance
rs1404648943:48,581,045G/Auncertain significance
rs25306709503:48,587,367C/Guncertain significance
rs12560657193:48,587,387T/Cuncertain significance
rs13438551143:48,587,388T/Guncertain significance
rs7615700643:48,587,554G/Auncertain significance
rs15601776403:48,587,556G/Auncertain significance
rs20433343593:48,594,134A/Guncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.