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Kinetic parameters of mTrxR enzymes with H2O2 as substrate.
| Enzyme | kcat (min−1) | KM (μM) | kcat/KM (min−1 M−1) |
kcat/KM(mutant) /kcat/KM(WT) |
|---|---|---|---|---|
| mTrxR-CUG | 1110 ± 62 | 134 ± 16 | 8.2 x103 | – |
| mTrxR-C(αMe)UG | 10.5 ± 0.5 | 35 ± 8.0 | 3.0 x102 | 0.037 |
| mTrxRΔ3 a | NA | NA | NA | – |
The truncated enzyme ends at glycine 487 and is missing the C-terminal tripeptide.
