Research Article

Simultaneous Parameters Identifiability and Estimation of an E. coli Metabolic Network Model

Table 3

Kinetics parameters.

EnzymeParameterDescription

Phosphotransferase system: PTSM–M half-saturation constant (mM)
Constant (mM)
Constant
Inhibition constant (mM)
Constant
Maximum reaction rate (mM s−1)

Phosphoglucoisomerase: PGIM–M half-saturation constant (mM)
Inhibition constant (mM)
Equilibrium constant
Inhibition constant (mM)
Inhibition constant (mM)
Maximum reaction rate (mM s−1)

Phosphofructokinase: PFKM–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Activation constant (mM)
Activation constant (mM)
Activation constant (mM)
Activation constant (mM)
Activation constant (mM)
Inhibition constant (mM)
Allosteric constant
Number of binding sites
Maximum reaction rate (mM s−1)

Aldolase: ALDOM–M half-saturation constant (mM)
M–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Inhibition constant (mM)
Back-forward reaction rate relation
Equilibrium constant (mM)
Maximum reaction rate (mM s−1)

Triosephosphate isomerase: TISM–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Equilibrium constant
Maximum reaction rate (mM s−1)

Glyceraldehyde-3-phosphate  
dehydrogenase: GAPDH
M–M half-saturation constant (mM)
Inhibition constant (mM)
M–M half-saturation constant (mM)
Inhibition constant (mM)
Equilibrium constant
Maximum reaction rate (mM s−1)

Phosphoglycerate kinase: PGKM–M half-saturation constant (mM)
Inhibition constant (mM)
M–M half-saturation constant (mM)
Inhibition constant (mM)
Equilibrium constant
Maximum reaction rate (mM s−1)

Phosphoglycerate mutase: PGluMuM–M half-saturation constant (mM)
Inhibition constant (mM)
Equilibrium constant
Maximum reaction rate (mM s−1)

Enolase: ENOM–M half-saturation constant (mM)
Inhibition constant (mM)
Equilibrium constant
Maximum reaction rate (mM s−1)

Pyruvate kinase: PKM–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Inhibition constant (mM)
Activation constant (mM)
Activation constant (mM)
Allosteric constant
Number of binding sites
Maximum reaction rate (mM s−1)

Pyruvate dehydrogenase: PDHM–M half-saturation constant (mM)
Number of binding sites
Maximum reaction rate (mM s−1)

Phoenolpyruvate carboxylase: PEPCxylaseM–M half-saturation constant (Mm)
Activation constant (mM)
Number of binding sites
Maximum reaction rate (mM s−1)

Phosphoglucomutase: PGMM–M half-saturation constant (mM)
Inhibition constant (mM)
Equilibrium constant
Maximum reaction rate (mM s−1)

Glucose-1-phosphate  
adenyltransferase: G1PAT
M–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Activation constant (mM)
Number of binding sites
Maximum reaction rate (mM s−1)

Ribose phosphate  
pyrophosphokinase: RPPK
M–M half-saturation constant (mM)
Maximum reaction rate (mM s−1)

Glycerol-3-phosphate  
dehydrogenase: G3PDH
M–M half-saturation constant (mM)
Maximum reaction rate (mM s−1)

Serine synthesis: SerSynthM–M half-saturation constant (mM)
Maximum reaction rate (mM s−1)

DAHP synthase: DAHPSM–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Number of binding sites
Number of binding sites
Maximum reaction rate (mM s−1)

Glucose-6-phosphate  
dehydrogenase: G6PDH
M–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Inhibition constant (mM)
Inhibition constant (mM)
Maximum reaction rate (mM s−1)

6-Phosphogluconate  
dehydrogenase: PGDH
M–M half-saturation constant (mM)
M–M half-saturation constant (mM)
Inhibition constant (mM)
Inhibition constant (mM)
Maximum reaction rate (mM s−1)

Ribulose phosphate epimerase: RU5PEquilibrium constant (mM)
Maximum reaction rate (mM s−1)

Ribose phosphate isomerase: R5PIEquilibrium constant (mM)
Maximum reaction rate (mM s−1)

Transketolase a: TKaEquilibrium constant (mM)
Maximum reaction rate (mM s−1)

Transketolase b: TKbEquilibrium constant (mM)
Maximum reaction rate (mM s−1)

Transaldolase: TAEquilibrium constant (mM)
Maximum reaction rate (mM s−1)

Synthesis 1: Synth1M–M half-saturation constant (mM)
Maximum reaction rate (mM s−1)

Synthesis 2: Synth2M–M half-saturation constant (mM)
Maximum reaction rate (mM s−1)

Mureine synthesis: MurSynthMaximum reaction rate (mM s−1)

Tryptophan synthesis: TrpSynthMaximum reaction rate (mM s−1)

Methionine synthesis: MetSynthMaximum reaction rate (mM s−1)