Figure 3
Steady-state rates of beechwood xylan hydrolysis. (a) The XynII variants demonstrated lower specific activities in all pH conditions, although the relative rates were more uniform from pH 4 to pH 7. The reaction mixtures contained 5 mg ml−1 xylan. (b) The substrate-saturation curves for the WT and rWT enzymes demonstrate their kinetic equivalence. The rate data are best fitted using a sigmoidal kinetics model. |