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Chi18H8 and 53D1 activity on colloidal chitin at different pHs (mean ± standard error from at least three independent experiments).
| pH | Chi18H8 (U/mg protein) | 53D1 (U/mg protein) |
|---|---|---|
| 3.0 | 0.32 ± 0.07 | 2.75 ± 0.35 |
| 5.0 | 1.47 ± 0.25 | 10.15 ± 1.40 |
| 7.0 | 1.22 ± 0.01 | 7.10 ± 0.20 |
| 9.0 | 1.06 ± 0.04 | 7.00 ± 0.10 |
