Table 1. Data-collection statistics.
| Selenomethionine-labelled | |||||
|---|---|---|---|---|---|
| Native | Peak | Inflection | High remote | Low remote | |
| X-ray source | SPring-8 BL41XU | Photon Factory AR-NW12 | |||
| Crystal dimensions (mm) | 0.20 × 0.10 × 0.30 | 0.15 × 0.10 × 0.30 | |||
| Wavelength (Å) | 0.97942 | 0.97923 | 0.97931 | 0.98319 | 0.96408 |
| Crystal-to-detector distance (mm) | 300 | 263.5 | |||
| Temperature (K) | 100 | 100 | 100 | 100 | 100 |
| Total oscillation range (°) | 360 | 720 | 360 | 180 | 180 |
| Oscillation range (°) | 1 | 1 | 1 | 1 | 1 |
| Exposure time (s) | 1 | 1 | 1 | 1 | 1 |
| Detector | ADSC Q315 | ADSC Q210 | |||
| Space group | C2 | C2 | |||
| Unit-cell parameters (Å, °) | a = 161.1, b = 35.8, c = 181.6, β = 113.7 | a = 160.6, b = 35.8, c = 180.9, β = 113.5 | |||
| Resolution (Å) | 50–2.34 (2.38–2.34) | 50–2.70 (2.75–2.70) | 50–2.70 (2.75–2.70) | 50–2.70 (2.75–2.70) | 50–2.70 (2.75–2.70) |
| Observed reflections | 260026 | 248311 | 120784 | 61211 | 61659 |
| Unique reflections | 40237 | 26074 | 25400 | 23886 | 23914 |
| Multiplicity | 6.5 (4.0) | 9.5 (7.9) | 4.9 (4.0) | 2.6 (2.1) | 2.6 (2.2) |
| Completeness (%) | 97.5 (86.2) | 97.2 (96.4) | 94.4 (92.4) | 89.0 (83.6) | 88.4 (83.1) |
| 〈I/σ(I)〉 | 20.0 (1.9) | 50.5 (17.1) | 35.6 (11.1) | 26.2 (8.0) | 26.0 (7.9) |
| Rmerge | 0.110 (0.541) | 0.066 (0.106) | 0.064 (0.109) | 0.051 (0.095) | 0.054 (0.102) |