Table 3. Data-collection statistics for chicken CD8αα–BF2*0401.
Values in parentheses are for the outer shell.
| Diffraction source | BL17U, SSRF |
| Wavelength (Å) | 0.97972 |
| Temperature (K) | 100 |
| Detector | ADSC Q315 |
| Crystal-to-detector distance (mm) | 300 |
| Rotation range per image (°) | 1 |
| Total rotation range (°) | 360 |
| Exposure time per image (s) | 0.8 |
| Space group | P21 |
| Unit-cell parameters (Å, °) | a = 90.6, b = 90.8, c = 94.9, α = 90.0, β = 98.6, γ = 90.0 |
| Mosaicity (°) | 1.0 |
| Resolution range (Å) | 50.00–2.80 (2.90–2.80) |
| Total No. of reflections | 163307 |
| No. of unique reflections | 37579 |
| Completeness (%) | 99.8 (100.0) |
| Multiplicity | 4.3 (4.5) |
| 〈I/σ(I)〉 | 14.140 (2.630) |
| R merge (%)† | 10.5 (61.3) |
| Overall B factor from Wilson plot (Å2) | 52.44 |
†
R
merge = 
, where Ii(hkl) is the observed intensity and 〈I(hkl)〉 is the average intensity from multiple measurements.