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Mutability of two classes of nrdA mutators
| nrdA strain | lac G·C → T·A | lac A·T → T·A | Rifr |
| nrd+ | 1.4 ± 0.6 | 0.9 ± 0.6 | 1.4 ± 0.6 |
| G295S | 2.3 ± 1.1 | 7.4 ± 3.7 | 4,200 ± 1,600 |
| A301T | 3.0 ± 1.2 | 9.6 ± 4.7 | 7.0 ± 3.0 |
| A301V | 2.3 ± 0.9 | 22 ± 7.0 | 2,900 ± 2,300 |
| S37L | 25 ± 4.0 | 5.5 ± 0.8 | 40 ± 10 |
| H46Y | 53 ± 23 | 12 ± 3.9 | 48 ± 1.7 |
Mutants per 108 cells.
