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Table 1 General description of the constructed enzyme modules

From: Evaluation of rate law approximations in bottom-up kinetic models of metabolism

Enzyme name

Module size (metabolites × reactions)

Regulators (mechanism of action)

Phosphogluconate dehydrogenase (GND)

13 × 9

NADPH (PI)

Lactate dehydrogenase (LDH)

10 × 6

N/A

Glucose-6-phosphate dehydrogenase (G6PDH)

12 × 7

ATP (CI), NADPH (PI)

Glyceraldehyde 3-phosphate dehydrogenase (GAPDH)

27 × 27

3PG (AI), G3P (AI)

Hexokinase (HEX1)

10 × 6

23DPG (CI)

Pyruvate kinase (PK)

30 × 34

FDP (AA), ATP (PI, AI)

Phosphofructokinase (PFK)

40 × 44

ADP (PI), ATP (AI), AMP (AA)

Phosphoglycerate kinase (PGK)

13 × 9

ATP (PI), 3PG (PI), 23DPG (CI)

Adenylate kinase (ADK)

8 × 5

N/A

Glucose-6-phosphate isomerase (PGI)

5 × 3

N/A

  1. PI product inhibitor, AI allosteric inhibitor, AA allosteric activator, CI competitive inhibitor