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Effect of rpoCΔ215–220 on activation of the lac core promoter by fis
| RNAP allele | Promoter | FIS site | β-Galactosidase activitya | Activation ratio |
|---|---|---|---|---|
| Wild type | rrnB (Δ-72)-lac | − | 1,878 | 1.0 |
| rrnB-lac | + | 7,359 | 3.9 | |
| rpoCΔ215–220 | rrnB (Δ-72)-lac | − | 2,560 | 1.0 |
| rrnB-lac | + | 7,614 | 3.0 |
Results (in Miller Units) are means from two experiments; the variation was less than 5%.
