Table 1. Data-collection statistics.
SeMet sSTT3 | Native sSTT3 | Native sSTT3 + L7/L12 | |
---|---|---|---|
Data collection | |||
Space group | P21212 | P21212 | C2221 |
Unit-cell parameters (Å) | |||
a | 137.34 | 136.93 | 102.23 |
b | 266.60 | 265.29 | 106.04 |
c | 73.95 | 74.13 | 289.38 |
Wavelength (Å) | 0.97915 (peak) | 0.96419 | 1.00000 |
Resolution range (Å) | 30–3.0 (3.1–3.0) | 40–2.7 (2.8–2.7) | 50–3.35 (3.5–3.35) |
No. of measured reflections | 610027 | 458643 | 168317 |
No. of unique reflections | 55387 (5441) | 75226 (7371) | 23023 (2238) |
Completeness (%) | 100.0 (100.0) | 99.9 (99.4) | 100.0 (100.0) |
Multiplicity | 11.0 (11.1) | 6.1 (5.8) | 7.3 (7.5) |
Average I/σ(I) | 7.4 (3.8) | 12.4 (3.5) | 7.8 (4.5) |
Rmerge† | 0.136 (0.598) | 0.081 (0.443) | 0.127 (0.465) |
Mosaicity (°) | 0.254 | 0.261 | 0.458 |
Molecules per AU | 4 | 4 | 2 (sSTT3) + 2 (L7/L12) |
Phasing statistics | |||
Se sites (found/all) | 16/20 | ||
Phasing power (centric/acentric) | 0.00/0.608 | ||
〈FOM〉 (after SOLVE/after SHARP) | 0.298/0.737 |
R merge = , where I i(hkl) is the observed intensity and 〈I i(hkl)〉 is the average intensity obtained from multiple observations of symmetry-related reflections.