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. 2004 Dec;13(12):3161–3171. doi: 10.1110/ps.04980304

Figure 2.

Figure 2.

Effect of temperature on NADP+-dependent G3PDH activity of A. fulgidus. (A) Activity vs. temperature (°C). (B) Arrhenius plot of the same data. The activity was determined by following NADPH oxidation with dihydroxyacetone phosphate at pH 6.6 in 50 mM potassium phosphate buffer at the temperatures indicated. From the slopes of the linear parts in the Arrhenius plot an activation energy of 51 kJ/mol was calculated for the temperature range between 50°C and 75°C and of 22 kJ/mol for the temperature range between 30°C and 45°C.