TABLE 2.
Cytochrome c oxidation activities of membranes from different B. subtilis strains
| Strain | ResA variant | Oxidation activity (nM min−1 mg protein−1)a |
|---|---|---|
| 1A1 | Wild type | 83 ± 4 |
| LUL9 | 5 ± 4 | |
| LUL9/pLUJES1 | CccA′-ResA′ fusion | 20 ± 2 |
| LUL9/pRAN1Es | Wild type | 50 ± 6 |
| LUN1 | Wild type | 82 ± 6 |
| LUN2 | C74A | 13 ± 1 |
| LUN3 | C77A | 4 ± 2 |
| LUN4 | C74A/C77A | 4 ± 1 |
| LUN5 | E80Q | 12 ± 3 |
| LUN6 | P141S | 15 ± 2 |
| LUN7 | P141T | 28 ± 4 |
a
The data are the means ± standard errors of several measurements (n ≥ 3) obtained using at least two different membrane preparations.