Research Article

EI of the Phosphotransferase System of Escherichia coli: Mathematical Modeling Approach to Analysis of Its Kinetic Properties

Table 2

Comparison of the values of the parameters obtained by fitting and estimated from the experiments.

TpHParameterExperimentally obtained valueValue obtained by fittingRange of sensitivityUnitsRef.

25°C6.5 𝐾 d E I 1 210170 5 1 0 1 4 2 . 4 1 0 4 nM
7.5 𝐾 d E I 1 1600800 5 1 0 1 4 1 . 1 1 0 5 nM[14]
35°C6.5 𝐾 d E I 1 250200 5 1 0 1 4 2 . 7 1 0 4 nM
7.5 𝐾 d E I 1 30.9 5 1 0 1 4 1 3 0 μM

37°C7.1 𝐾 d E I 1 0.510.5 5 1 0 1 4 7 5 μM[12]

23°C6.5 𝐾 d E I 1 0.230.16 5 1 0 1 4 2 3 μM
7.5 𝐾 d E I 1 0.320.77 5 1 0 1 4 1 0 0 μM[8]
6.5 𝐾 d E I P 2 4 5 1.2 5 1 0 4 2 1 0 4 1 . 4 1 0 2 μM
7.5 𝐾 d E I P 2 4 5 3.7 2 . 3 1 0 3 8 1 0 4 6 . 6 1 0 2 μM

37°C6.5 1/k10.0040.003 9 1 0 4 7 1 0 3 s-1 [25]
k450.010.43 0 1 . 1 s-1

25°C7.5 𝐾 2 0.20.37 2 1 0 8 1 0 0 0 mM[13]
25°C7.2 𝐾 P E P 𝑚 0.18 mM0.25 mM[5]