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. 2018 Feb 12;3(2):1783–1790. doi: 10.1021/acsomega.7b01704

Table 3. Overview of the Measured ATP/ADP Ratio, the Measured Equilibrium Composition Ratios Kexp, Predicted Activity Coefficient Ratios Kγ, and the Resulting Equilibrium Constant Ka for Different Initial Substrate Concentrationsa.

mATP,0 [mmol/kgwater] m3-PG,0 [mmol/kgwater] ATP/ADP ratio [−] Kexp [−] Kγ [−] Ka [−]
1.02 ± 0.01 1.03 ± 0.01 23.52 ± 0.54 559.4 ± 25.9 0.9568 535.2 ± 24.8
2.51 ± 0.01 2.52 ± 0.01 24.02 ± 0.31 578.8 ± 17.3 0.8947 517.8 ± 15.5
5.00 ± 0.01 5.01 ± 0.02 25.24 ± 0.98 640.2 ± 51.0 0.8124 520.1 ± 41.4
10.03 ± 0.03 10.02 ± 0.03 26.55 ± 0.92 705.0 ± 47.3 0.6898 486.3 ± 32.7
19.62 ± 0.01 19.70 ± 0.03 29.27 ± 1.13 854.0 ± 67.6 0.5238 447.3 ± 35.4
a

MgCl2 was added in a twofold molar excess to the ATP concentration for all samples. All measurements were performed at pH 7 and at a temperature of 313 K.