Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12934-019-1212-z/MediaObjects/12934_2019_1212_Fig4_HTML.png)
Effects of pH and temperature on the recombinant xylanases. a The effect of pH on the activities of Xyl1, Xyl2 and Xyl3; b The effect of temperature on the activities of Xyl1, Xyl2 and Xyl3. The experiments were performed in duplicate, and the data are presented as the means ± standard deviations