Figure 2

Optimum conditions for the hydrolysis of the C-7 xylosidic bond of DAXP.
(a) Effect of pH, (b) metal ions and (c) the concentration of calcium on the 10-DAXP xylosidase activity of the purified multienzyme complex Xyl_I and the key catalytic subunit Xyl_S isolated from it. (d) Xyl_I and (e) Xyl_S, response surface analysis concerning the effect of reaction temperature and proportion of saturated methanol solutions on the desired activity.