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Glycolysis Enzymes
Glycolysis reaction & enzymes
| Question | Answer |
|---|---|
| What catalyzes this rxn? Glucose-->Glucose 6-Phosphate (First priming reaction-uses one ATP) | Hexokinase |
| What catalyzes this rxn? Glucose 6-Phosphate<--->Fructose 6-Phosphate | Phosphohexose isomerase |
| What catalyzes this rxn? Fructose 6-Phosphate--->Fructose1,6-Bisphosphate (second priming reaction-uses one ATP) | PFK-1(Phosphofructokinase-1) |
| What catalyzes this rxn? Fructose 1,6-Bisphosphate<->Glyceraldehyde 3-Phosphate + Dihydroxyacetone Phosphate | Aldose |
| What catalyzes this rxn? Glyceraldehyde 3-Phosphate(2)<->1,3-Bisphosphoglycerate(2) | Glyceraldehyde 3-Phosphate dehydrogenase |
| What catalyzes this rxn? 1,3-Bisphosphoglycerate(2)-->3-Phosphoglycerate(2) (First ATP forming reaction-forms 2 ATP) | Phosphoglycerate kinase |
| What catalyzes this rxn? 3-Phosphoglycerate(2)-->2-Phosphoglycerate(2) | Phosphoglycerate mutase |
| What catalyzes this rxn? 2-Phosphoglycerate(2)-->Phosphoenolpyruvate(2) | Enolase |
| What catalyzes this rxn? Phosphoenolpyruvate(2)-->Pyruvate(2) (Second ATP forming reaction-forms 2 ATP) | Pyruvate kinase |
| What catalyzes this rxn? Dihydroxyacetone Phosphate->Glyceraldehyde 3-Phosphate (second Gly 3-P that enters payoff phase) | triose phosphate isomerase (glyceraldehyde phosphate isomerase) |