TABLE 2.
Kinetic parameters of recombinant PvHPPK-DHPS
| PvHPPK-DHPS | kcat (s−1) | Km pABA (μM) |
Ki (μM) |
||
|---|---|---|---|---|---|
| Sulfadoxine | Sulfathiazole | Dapsone | |||
| Wild type | 0.0024 ± 0.0003 | 0.15 ± 0.02 | 1.50 ± 0.11 | 0.15 ± 0.05 | 0.11 ± 0.01 |
| A383G mutant | 0.0055 ± 0.0005 | 0.33 ± 0.02 | 48.10 ± 5.45 | 2.95 ± 0.11 | 3.67 ± 0.60 |
| A383G A553G mutant | 0.0134 ± 0.0005 | 0.48 ± 0.05 | 176.19 ± 8.70 | 15.53 ± 1.37 | 4.54 ± 0.51 |
| S382A A383G A553G mutant | 0.0060 ± 0.0008 | 0.26 ± 0.01 | 266.83 ± 16.31 | 19.00 ± 1.74 | 17.73 ± 1.14 |
| V585A mutant | 0.0029 ± 0.0002 | 0.19 ± 0.01 | 3.01 ± 0.36 | 0.19 ± 0.02 | 0.53 ± 0.06 |