platelet 6-phosphofructokinase (phosphofructokinase 1, phosphohexokinase, phosphofructo-1-kinase isozyme C, PFK-C, 6-phosphofructokinase platelet type, PFKP, PFKF)
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Function
- 6 phosphofructokinase is a tetramer in muscle is M4, liver is L4, & red cell is M3L,M2L2, or ML3
- a subunit composition with a higher proportion of platelet type subunits is found in platelets, brain & fibroblasts
- carbohydrate degradation, glycolysis
- D-glyceraldehyde 3-phosphate & glycerone phosphate from D-glucose: step 3/4
- allosteric enzyme activated by ADP, AMP, or fructose bisphosphate & inhibited by ATP or citrate
Structure
- tetramer
- belongs to the phosphofructokinase family, 2 domains subfamily