Table 1 Enzyme activities in the cell-free extracts of recombinant strains
Strains | Specific activities (U/mg) | ||
|---|---|---|---|
Towards 2-HAP | Towards xylose | Towards xylan | |
E. coli BL21/pET-SCRII | 2.73 ± 0.01 | ND | ND |
E. coli BL21/pET-A258F/GDH | ND | 6.85 ± 0.02 | ND |
E. coli BL21/pET-XYN2 | ND | ND | 267.51 ± 11.8 |
E. coli BL21/pET-S-G-2 | 1.54 ± 0.01 | ND | 65.13 ± 2.2 |
E. coli BL21/pET-S-2-G | 1.28 ± 0.02 | ND | 54.45 ± 3.1 |
E. coli BL21/pET-G-S-2 | 0.85 ± 0.02 | 1.36 ± 0.01 | 55.33 ± 4.3 |
E. coli BL21/pET-G-2-S | ND | 1.18 ± 0.02 | 35.93 ± 2.6 |