Term
steps 1-3 (oxidative steps)
glucose 6 phosphate dehydrogenase |
|
Definition
| step 1: Rate limiting) Glucose 6P --> 6-phosphogluconolactone + NADPH |
|
|
Term
steps 1-3 (oxidative steps)
lactonase |
|
Definition
| step 2) 6-phosphogluconolactone --> 6-phosphogluconate |
|
|
Term
steps 1-3 (oxidative steps)
6-phosphogluconate dehydrogenase |
|
Definition
| step 3: 6-phosphogluconate --> ribulose 5P + CO2 + NADPH |
|
|
Term
| Stoichiometry reaction for oxidative steps of PPP |
|
Definition
| steps 1-3) glucose 6P + 2 NADP° +H2) --> ribulose 5P + CO2 + 2 NADPH + H° |
|
|
Term
steps 4-8 (non-oxidative steps)
pentose phosphate isomerase |
|
Definition
| step 4) ribulose 5P --> ribose 5P |
|
|
Term
steps 4-8 (non-oxidative steps)
pentose phosphate epimerase |
|
Definition
| step 5) 2 (ribulose 5P) --> 2 (xylulose 5P) |
|
|
Term
steps 4-8 (non-oxidative steps)
transketonase-TPP |
|
Definition
| step 6) ribose 5P + xylulose 5P --> glyceraldehyde 3P + sedoheptulose 7P |
|
|
Term
steps 4-8 (non-oxidative steps)
transaldolase |
|
Definition
| step 7) glyceraldehyde 3P + sedoheptulose 7P --> Fructose 6P + erythrose 4P |
|
|
Term
steps 4-8 (non-oxidative steps)
transketonase -TPP |
|
Definition
| step 8) Erythrose 4P + Xylulose 5P --> glyceraldehyde 3P + Fructose 6P |
|
|
Term
| Stoichiometry reaction for non-oxidative steps of PPP |
|
Definition
| steps 4-8) 3 (Ribulose 5P) --> glyceraldehyde 3P + 2(fructose 6P) |
|
|
