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Kinetic properties of the Aro from S22
*Vmax is expressed as μm Asoxidized × min−1 mg−1. It is noteworthy that 1 mole of AsIII reduces 1 mole of DCPIP but 2 moles of cyt. N.D., not determined.
| e− donor | AsIII | |||
| Km (μm) | 6 | |||
| Inhibitors | Sulfite | Sulfide | ||
| I50 (μm) | 10 | 70 | ||
| e− acceptor | c555 | c552 | c554 | DCPIP |
| Km (μm) | 50 | 13 | 7 | N.D. |
| Vmax* | 152 | 140 | 140 | 5.7 |
