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Table 5 NADPH balance

From: A metabolite-centric view on flux distributions in genome-scale metabolic models

Producing fluxes

Reaction/Enzyme

Pathway/Product

Ratio

glucose 6-phosphate dehydrogenase

pentose phosphate pathway

40.35%

phosphogluconate dehydrogenase

pentose phosphate pathway

40.35%

isocitrate dehydrogenase

TCA cycle

13.40%

methylenetetrahydrofolate dehydrogenase

purines

5.89%

Consuming fluxes

Reaction/Enzyme

Pathway/Product

Ratio

glutamate dehydrogenase

Glu

51.65%

3-oxoacyl-[acyl-carrier-protein] reductase (11 reactions)

fatty acids

13.41%

ketol-acid reductoisomerase (2 reactions)

Val, Leu, Ile, coenzyme A

6.95%

aspartate semialdehyde dehydrogenase

Thr, Met, Lys, peptidoglycans

6.43%

sulfite reductase

sulfur metabolism

4.57%

homoserine dehydrogenase

Thr, Met

4.21%

shikimate dehydrogenase

shikimate pathway

2.28%

dihydrodipicolinate reductase

Lys, peptidoglycans

2.22%

thioredoxin reductase

conversions to other redox carriers

2.14%

N-acetyl-γ-glutamyl-phosphate reductase

Arg, polyamines

2.01%

glutamate 5-semialdehyde dehydrogenase

Pro

1.32%

pyrroline 5-carboxylate reductase

Pro

1.32%

glycerol 3-phosphate dehydrogenase

phospholipids

1.03%

UDP-N-acetylenolpyruvoylglucosamine reductase

peptidoglycans

0.17%

dihydrofolate reductase

folate metabolism

0.16%

dTDP-4-dehydrorhamnose reductase

lipopolysaccharides

0.05%

  1. Total flux: 13.9 mmol gDW−1 h−1. Ratios below 0.05% not shown.
  2. Abbreviations: Arg, Glu, … – biosynthesis of L-amino acids.