Table 1.
Substrate specificity and kinetic constants for the recombinant xylanase (All the values are the means of three replications)
| Substrate | Specific activity (nkat/ml) | Relative activity1 (%) | Km (mg/ml) | kcat (S-1) |
| Oat-spelt xylan | 4350 ± 125 | 100 | 1.8 ± 0.02 | 168.7 ± 11.6 |
| Birchwood xylan | 4687 ± 187 | 108 | 2.1 ± 0.11 | 205.7 ± 19.5 |
| Beechwood xylan | 3518 ± 114 | 83 | 1.4 ± 0.13 | 139.6 ± 12.1 |
| Gellan gum | 452 ± 25 | 11 | NA2 | NA |
| Avicel | 78 ± 8 | 1.9 | NA | NA |
| CMC | 45 ± 4 | 1.4 | NA | NA |
1The activity for oat-spelt xylan was defined as 100%.
2Not available (The value is difficult to measure)