Table 2. Summary of the crystallographic data for the native STING138–344 and SeMet-labelled STING138–344 targets.
Values in parentheses are for the outermost resolution shell.
| STING138–344 | SeMet STING138–344, peak | |
|---|---|---|
| Beamline | BL13C1, NSRRC | BL13B1, NSRRC |
| Wavelength (Å) | 0.98922 | 0.97622 |
| Space group | P31 or P32 | P31 or P32 |
| Unit-cell parameters (Å, °) | a = b = 78.619, c = 50.418, α = β = 90, γ = 120 | a = b = 78.493, c = 50.409, α = β = 90, γ = 120 |
| Resolution range (Å) | 30–2.39 (2.48–2.39) | 30–2.20 (2.28–2.20) |
| Total reflections | 44542 (4387) | 125788 (12546) |
| Unique reflections | 13794 (1371) | 17676 (1767) |
| Multiplicity | 3.2 (3.2) | 7.1 (7.1) |
| Completeness (%) | 100 (100) | 100 (100) |
| R merge † (%) | 6.1 (59.5) | 6.5 (44.7) |
| 〈I/σ(I)〉 | 19.4 (2.3) | 23.8 (4.9) |
| Matthews coefficient (Å3 Da−1) | 1.91 | 1.90 |
| Solvent content (%) | 35.59 | 35.37 |
†
R
merge = 
, where I
i(hkl) is the ith intensity measurement of reflection hkl, including symmetry-related reflections, and 〈I(hkl)〉 is its average.