Table 2. Structure-refinement statistics.
KF, R132K:Y134F; KFLEV, R132K:Y134F:R111L:L121E:T54V; KLE, R132K:R111L:L121E.
| Apo KF | Apo KFLEV | KFLEVRA | Apo KLE | |
|---|---|---|---|---|
| Average B factor (2) | 23.2 | 18.1 | 14.1 | 24.5 |
| Wilson B factor (2) | 21.8 | 16.6 | 24.9 | 19.6 |
| R work (%) | 15.4 | 13.8 | 12.0 | 15.4 |
| R free (%) | 22.2 | 17.6 | 16.8 | 22.7 |
| No. of water molecules | 362 | 399 | 221 | 347 |
| Total reflections used | 25713 | 75296 | 21611 | 41632 |
| RMSDs from ideality | ||||
| Bond lengths () | 0.020 | 0.018 | 0.020 | 0.028 |
| Bond angles () | 1.78 | 1.69 | 1.85 | 2.32 |
| Ramachandran plot | ||||
| Most favored (%) | 93.5 | 92.7 | 94.4 | 94.0 |
| Allowed (%) | 5.6 | 6.9 | 4.8 | 5.2 |
| Generously allowed (%) | 0.4 | 0 | 0 | 0 |
| Disallowed (%) | 0.4 | 0.4 | 0.8 | 0.8 |
| Clashscore (MOLPROBITY) | 9.34 | 4.55 | 6.50 | 12.00 |
| PDB code | 3d96 | 3d95 | 3cwk | 3d97 |