Table 1. Data collection and processing.
Data collection | |
Diffraction source | NCI beamline, PAL-XFEL |
Wavelength (Å) | 1.305 |
Temperature (K) | 296.15–298.15 |
Photons per pulse | ∼5 × 1011 |
Detector | MX225-HS |
Crystal-to-detector distance (mm) | 123 |
No. of collected images | 85901 |
No. of hits | 27413 |
No. of indexed images | 17411 |
No. of indexed patterns | 22302 |
Space group | P43212 |
a, b, c (Å) | 79.48, 79.48, 38.48 |
α, β, γ (°) | 90, 90, 90 |
Resolution range (Å) | 80.0–2.10 (2.17–2.10) |
No. of unique reflections | 7521 (724) |
Completeness (%) | 100 (100) |
Redundancy | 590.7 (377.5) |
SNR | 7.38 (1.57) |
CC | 0.9866 (0.4766) |
CC* | 0.9966 (0.8034) |
R split (%)† | 10.44 (71.03) |
Overall B factor from Wilson plot (Å2) | 46.9 |
Refinement | |
Resolution (Å) | 39.74–2.10 (2.26–2.10) |
σ cutoff | F > 1.35σ(F) |
Final R work ‡ | 0.220 (0.3563) |
Final R free § | 0.249 (0.3833) |
B factor (averaged) | |
Protein | 43.87 |
Water | 46.45 |
R.m.s. deviations | |
Bond lengths (Å) | 0.003 |
Bond angles (°) | 0.664 |
Ramachandran plot (%) | |
Favoured | 97.64 |
Allowed | 2.36 |
R work ∑||F obs| − |F calc||/∑|F obs|, where F obs and F calc are the observed and calculated structure-factor amplitudes, respectively.
R free was calculated as R work using a randomly selected subset (9.47%) of unique reflections not used for structure refinement.