Table 9. Nitrate reducing activity of the Mo domains of human wild type SO, 2NR-SO and 3NR-SO.
Kmnitrate (μM) | kcat (s−1) | |
---|---|---|
pH 8.5: | ||
SO Modom | 2270 | 0.13 |
Mo HSO-2NR | 872 | 0.47 |
Mo HSO-3NR | 371 | 0.63 |
pH 7.0: | ||
SO Modom | 1410 | 0.06 |
Mo HSO-2NR | 42 | 0.62 |
Mo HSO-3NR | 37 | 1.93 |