Table 3. Kinetic parameters for the hydrolysis of bis(p-nitrophenyl phosphate) by GpdQ in the presence of 100 µM Fe2+ or Zn2+ .
| Protein | kcat (s−1) | Km (mM) | kcat/Km (s−1 M−1) |
|---|---|---|---|
| GpdQ–Fe2+ | 2.78 ± 0.26 | 7.0 ± 1.6 | 400.0 |
| GpdQ–Zn2+ | 0.176 ± 0.008 | 3.5 ± 0.4 | 49.8 |
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