Table 2.
Effect of metal ions on cellulase activity of strain FW2.
| Metal Ions | Residual Activity (%) | ||
|---|---|---|---|
| FPase | CMCase | Avicelase | |
| Control | 100 | 100 | 100 |
| Na+ | 99 | 100 | 98 |
| K+ | 97 | 99 | 95 |
| Mg2+ | 130.5 | 138.5 | 120 |
| Fe2+ | 98 | 96 | 89 |
| Ca2+ | 115.8 | 122.5 | 108 |
| Zn2+ | 79 | 85 | 83 |
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