Table 2.
Carbonyl Sulfide Degrading Enzymes and Associated Enzyme Kinetic Parameters
| Enzyme | Organism | kcat (s−1) | Km (μM) | kcat/KM (M−1s−1) | References |
|---|---|---|---|---|---|
| CS2 hydrolase | Acidianus sp. strain A1-3 | 1800 | 22 | 8.2 × 107 | (125) |
| COSase | Thiobacillus thioparus strain THI115 | 58 | 60 | 9.6 × 105 | (95) |
| CO dehydrogenase | Rhodospirillum rubrum ATCC11170T | 0.52 | 2.2 | 2.4 × 105 | (36) |
| CA | Bos taurus | 41 | 1.9 × 103 | 2.2 × 104 | (47) |
| RuBisCO | Spinacia oleracea | 3.8 | 1.8 × 103 | 2.2 × 103 | (80) |
| RuBisCO | R. rubrum | 6.3 | 5.6 × 103 | 1.1 × 103 | (80) |
| Nitrogenase | Azotobacter vinelandii | 0.16 | 3.1 × 103 | 5.2 × 101 | (120) |
CA, carbonic anhydrase; COSase, carbonyl sulfide hydrolase; CS2, carbon disulfide; RuBisCO, ribulose-1,5-bisphosphate carboxylase oxygenase.
Modified from Ogawa et al. (95).