EC Number |
pH Minimum |
pH Maximum |
Reference |
---|
2.4.1.10 | -999 |
- |
15°C, 10% sucrose, pH 4.0-6.0: transfructosylation preferentially occurs and oligo- and polysaccharides are produced, pH 7.0-8.0: hydrolysis of sucrose is enhanced, oligosaccharides are produced rather than polysaccharides as transfructosylation products |
488312 |
2.4.1.10 | 3 |
10 |
almost no activity under pH 3.0 and above pH 10.0 |
488313 |
2.4.1.10 | 4.8 |
6.8 |
about half-maximal activity at pH 4.8 and pH 6.8 |
488330 |
2.4.1.10 | 5 |
8.4 |
recombinant enzyme |
488341 |
2.4.1.10 | 4 |
6.2 |
pH 4.0: about 50% of the optimal activity, pH 6.2: about 50% of maximal activity. A pH above 7 leads to a complete inhibition of the levansucrase |
671507 |
2.4.1.10 | 3.5 |
8.3 |
pH 3.5: about 55% of maximal activity, pH 8.3: about 60% of maximal activity, levan synthesis |
672335 |
2.4.1.10 | 5.6 |
7.6 |
the enzyme activity significantly decreases at pH values below 5.6 and above 7.6 |
678072 |
2.4.1.10 | 5.6 |
7.6 |
wild-type, 50 mM Sorensens phosphate buffer at 37°C, containing 500 mM sucrose using an enzyme concentration of 7.36 mg/l |
678072 |
2.4.1.10 | 3 |
7.5 |
50% of the maximal activity are detected at pH 3 and pH 5.5, residual activity is measured at pH 7.5 |
684765 |
2.4.1.10 | -999 |
- |
Zymomonas mobilis levansucrase exists in two active forms, depending on the pH and ionic strength |
687775 |