From: A novel efficient β-glucanase from a paddy soil microbial metagenome with versatile activities
Additive | Concentration | K m (mM) | K cat (s−1) | K cat/K m (s−1 mM−1) | V max (μmolmin−1 mg−1) |
---|---|---|---|---|---|
Barley glucan | |||||
(No additive) | – | 13.700 ± 0.805 | 3276.382 ± 184.281 | 239.152 | 2808.301 ± 104.394 |
D-galactose | 100 mM | 5.654 ± 0.995 | 972.222 ± 68.328 | 171.953 | 833.333 ± 35.970 |
D-arabinose | 100 mM | 4.404 ± 0.339 | 972.222 ± 47.514 | 220.758 | 833.333 ± 52.142 |
D-mannitose | 100 mM | 5.378 ± 0.826 | 897.442 ± 77.300 | 166.872 | 769.233 ± 44.361 |
D-Xylose | 100 mM | 3. 706 ± 0.360 | 972.221 ± 43.778 | 262.337 | 833.333 ± 63.100 |
D-glucose | 100 mM | 14.039 ± 2.287 | 1458.334 ± 88.201 | 103.877 | 1250.000 ± 59.374 |
Cellopentaose | |||||
(No additive) | – | 0.615 ± 0.097 | 42.271 ± 4.436 | 68.732 | 36.233 ± 3.223 |
D-galactose | 200 mM | 0.483 ± 0.060 | 35.572 ± 4.172 | 73.644 | 30.492 ± 2.222 |
1000 mM | 0.253 ± 0.024 | 47.810 ± 6.410 | 188.972 | 40.980 ± 5.271 | |
D-arabinose | 200 mM | 1.122 ± 0.133 | 56.910 ± 6.472 | 50.722 | 48.783 ± 4.801 |
1000 mM | 0.917 ± 0.097 | 77.783 ± 6.851 | 84.820 | 66.672 ± 6.052 | |
D-mannitose | 200 mM | 0.205 ± 0.036 | 30.461 ± 3.420 | 148.585 | 26.112 ± 2.293 |
1000 mM | 0.169 ± 0.048 | 45.571 ± 5.453 | 269.645 | 39.064 ± 4.213 | |
D-Xylose | 200 mM | 0.446 ± 0.060 | 45.570 ± 4.203 | 102.175 | 39.064 ± 3.900 |
1000 mM | 0.109 ± 0.012 | 70.710 ± 6.884 | 648.716 | 60.612 ± 6.190 |