Table 4.
pKa | pKb | |||
---|---|---|---|---|
enzyme | metal | kcat vs pH | kcat/Km vs pH | kcat/Km vs pH |
wild type | Zn2+ | 7.3 ± 0.1 | 5.5 ± 0.2 | 7.9 ± 0.4 |
wild type | Fe2+ | 6.0 ± 0.1 | - | 8.2 ± 0.2 |
H246Q | Zn2+ | - | - | - |
pKa | pKb | |||
---|---|---|---|---|
enzyme | metal | kcat vs pH | kcat/Km vs pH | kcat/Km vs pH |
wild type | Zn2+ | 7.3 ± 0.1 | 5.5 ± 0.2 | 7.9 ± 0.4 |
wild type | Fe2+ | 6.0 ± 0.1 | - | 8.2 ± 0.2 |
H246Q | Zn2+ | - | - | - |