Table 1. Crystallographic Data Collection and Refinement Parameters.
| PAO254/HudA imidazole complex | PAO254/HudA N318A FMN complex | |
|---|---|---|
| PDB | 7ABN | 7ABO |
| resolution range (Å) | 50–1.65 (1.68–1.65) | 47.0–1.95 (1.98–1.95) |
| space group | P121 1 | P121 1 |
| unit cell | 107.81, 55.48, 199.53, 90, 99.93, 90 | 107.88, 55.57, 198.99, 90, 100.0, 90 |
| unique reflections | 27 9939 (18 328) | 16 8873 (8399) |
| multiplicity | 3.1 (2.9) | 3.2 (3.0) |
| completeness (%) | 96.4 (86.0) | 99.2 (99.1) |
| mean I/sigma(I) | 8.6 (1.5) | 11.7 (1.4) |
| R meas | 0.093 (0.812) | 0.081 (1.025) |
| CC1/2 | 1.0 (0.7) | 1.0 (0.5) |
| R work | 0.201 (0.298) | 0.214 (0.327) |
| R free | 0.235 (0.341) | 0.246 (0.354) |
| RMS bonds (Å) | 0.022 | 0.004 |
| RMS angles (deg) | 2.12 | 0.68 |
| Ramachandran favored (%) | 96.3 | 95.9 |
| Ramachandran allowed (%) | 3.4 | 3.7 |
| Ramachandran outliers (%) | 0.3 | 0.4 |
| average B factor (Å2) | 19.0 | 38.0 |