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Physicochemical properties of catalases from D. gigas and other organisms
| Source | Molecular mass (kDa) | No. of subunits | Sp act (U/mg) | Molar extinction coefficient (104 M−1 · cm−1) at Soret band | No. of hemes/molecule | Reference |
|---|---|---|---|---|---|---|
| D. gigas | 186 | 3 | 4,200 | 12.3 | 0.9 | This work |
| Bacteroides fragilis | 130 | 2 | 8,000 | 15.0 | 1.0 | 45 |
| D. vulgaris | 232 | 4 | 50,000 | 20.5 | 1.8 | 27 |
| Bovine liver | 240 | 4 | 36,000 | 29.0 | 2.0 | 14 |
| Equine liver | 240 | 4 | 45,000 | 34.0 | 3.0 | 14 |
| Micrococcus lysodeikticus | 232 | 4 | 99,000 | 41.0 | 4.0 | 14 |
