Table 1 Phosphotriesterase kinetic parameters
From: Sac Pox from the thermoacidophilic crenarchaeon Sulfolobus acidocaldarius is a proficient lactonase
|  | kcat(s−1) | KM(μM) | kcat/KM(M−1.s−1) |
|---|---|---|---|
Paraoxon | 0.12 ± 0.01 | 434 ± 54 | 2.81 (±0.38) × 102 |
Paraoxon 0.01% SDS | 0.28 ± 0.01 | 537 ± 48 | 5.22 (±0.51) × 102 |
Paraoxon 0.1% SDS | 0.25 ± 0.01 | 405 ± 21 | 6.10 (±0.34) × 102 |
Methyl Paraoxon | 0.31 ± 0.02 | 278 ± 40 | 1.10 (±0.17) × 103 |
Parathion | ND | ND | ND |
Methyl Parathion | ND | ND | 4.31 ± 0.20 |
Malathion | ND | ND | ND |
CMP-Coumarin | 0.28 ± 0.02 | 642 ± 89 | 4.38 (±0.68) × 102 |