Table 1. Summary of the crystallographic analysis.
| Data set | Wild type ParC55 | ParC Cys426 |
| Radiation source | ESRF Grenoble, Beam Line BM 30A | Rigaku MicroMax-007HF generator fitted with a chromium anode and a R-AXIS IV++detector |
| Wavelength (Å) | 0.91694 | 2.29090 |
| Resolution (Å) | 2.67 | 3.25 |
| Space group | I222 | I222 |
| Cell dimensions | ||
| a, b, c (Å) | 136.92,137.85, 326.02 | 136.39, 137.64, 328.52 |
| α, β, γ (°) | 90, 90, 90 | 90, 90, 90 |
| Completeness (%) | 97.2 | 96.0 |
| Redundancy | 5.4 | 8.2 |
| Rsym(%)* | 9.3 (21.2) | 7.3 (34.4) |
| No of sulfur sites (per monomer) | 16 | 17 |
| Resolution (Å) | 2.7 | 3.25 |
| R/Rfree(%)** | 22.30/27.55 | 31.14/34.46 |
| r.m.s. bond lengths (Å) | r.m.s. bond angles | |
| 0.013 | 1.72 | |
*
Rsym = ΣΣj|<I>-Ij|/Σ<I>.
**
R/Rfree = Σ||F obs|-|F calc||/|F obs|, where the working and free R-factors are calculated using the working and free reflection sets, respectively. The free reflections were held aside throughout refinement.