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The Table represents the simulation results of how the presence of phosphate ions (Pi) in the solution might affect the activity of four LDH enzymes. This includes the algorithmic analysis of the binding energies values computed by the GRID program (see Part 4, model) for each enzyme in presence and absence of FBP molecule at pH 6 and 7. The analysis was performed by using the algorithm proposed in Part 5, model.
TbTryS activity was measured at 37°C in the in vivo-like buffer. All substrate stock solutions were prepared in the in vivo-like buffer and the pH was adjusted to 7.0. The assays were performed in a final volume of 2 ml and contained 0.2 mM NADH, 1 mM phosphoenolpyruvate, 4 units pyruvate kinase, 4 units L-lactate dehydrogenase, 0.17 µM TbTryS, 2.1 mM ATP and varying amounts of GSH, and Spd.
Sulfolobus solfataricus P2 was cultivated on 1 % Caseinhydrolysate. Samples of the culture supernatants were taken at regular intervalls and analyzed by GC-MS. To evaluate the stability of amino acids under cultivation conditions an additional non-inoculated control culture was also analyzed.