Table 3. β-Galactosidase activity of E. coli reporter strains carrying wild-type DtxR, DtxRΔSH3, and DtxRΔSH3(P133A).
| β-Galactosidase, % of control
|
|
|---|---|
| Repressor | (LB/Amp/Kan) |
| DtxR | 0.09 ± 0.03 |
| DtxRΔSH3 | 21.5 ± 1.1 |
| DtxRΔSH3(P133A) | 95.7 ± 3.7 |
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