Table 1. X-ray data collection and refinement statistics (values in parentheses are for the highest-resolution shell).
| Structure | CrmK-FAD | CrmK-FAD-CRM P 7 |
| Space group | P1 | P1 |
| a, b, c (Å) | 63.6, 95.7, 98.4 | 63.1, 95.2, 98.0 |
| α, β, γ (°) | 95.2, 97.0, 104.4 | 94.7, 96.6, 105.2 |
| Wavelength (Å) | 0.9795 | 0.9795 |
| Resolution (Å) | 48.7–1.84 (1.94–1.84) | 45.6–2.15 (2.27–2.15) |
| Observed hkl | 729 153 (103 972) | 278 363 (40 448) |
| Unique hkl | 184 445 (26 576) | 114 678 (16 652) |
| Redundancy | 4.0 (3.9) | 2.4 (2.4) |
| Completeness (%) | 95.9 (94.7) | 97.0 (96.1) |
| R merge | 0.118 (0.828) | 0.162 (0.699) |
| CC1/2 | 0.993 (0.498) | 0.950 (0.400) |
| I/(σI) | 7.5 (2.1) | 5.0 (2.8) |
| Wilson B (Å2) | 22.5 | 23.7 |
| R work (# hkl) | 0.161 (175 148) | 0.168 (108 921) |
| R free (# hkl) | 0.194 (9296) | 0.213 (5754) |
| B-factors (# atoms) | ||
| Protein | 29.8 (15 629) | 35.0 (15 577) |
| Solvent | 37.5 (1386) | 37.3 (600) |
| Ligand (FAD) | 19.9 (212) | 23.8 (212) |
| Ligand (7 or 4) | — | 47.1 (60) |
| Ramachandran | ||
| Allowed (%) | 99.9 | 99.9 |
| Generous (%) | 0.1 | 0.1 |
| Disallowed (%) | 0 | 0 |
| rmsd | ||
| Bonds (Å) | 0.014 | 0.015 |
| Angles (°) | 1.67 | 1.71 |
| PDB code | 5I1V | 5I1W |