Table 1 Kinetic parameters for the different PKD preparations, values shown are mean ± SD.
parameter | Km (µM) | Vmax (pmol phosphate/min) | kcat (pmol phosphate/min/pmol PKD) | |||
|---|---|---|---|---|---|---|
Conditions: | PDB | Ox. stress | PDB | Ox. stress | PDB | Ox. stress |
PKD1 WT | 39.8 ± 5.4 | 42.5 ± 4.2 | 125.8 ± 6.4 | 64.87 ± 2.5 | 128.4 | 66.2 |
PKD2 WT | 57.5 ± 11.7 | 47.8 ± 7.4 | 130.8 ± 6.6 | 98.91 ± 3.55 | 126.9 | 96 |
PKD2 Y717F | 337 ± 62.7 | 371.1 ± 10.6 | 109.2 ± 55.5 | 49.19 ± 3.98 | 106 | 47.8 |
PKD2 LNQ.RNK | 97.7 ± 12.8 | 101.2 ± 8.8 | 203.4 ± 15.6 | 68.29 ± 3.52 | 197.5 | 66.3 |