Table 1. Diffraction protocol and data-collection statistics for the OST1 D160A crystal.
Values in parentheses are for the highest resolution shell.
Crystal data | |
Space group | P2221 |
Unit-cell parameters (Å) | a = 77.7, b = 99.4, c = 108.4 |
Z | 2 |
VM (Å3 Da−1) | 2.54 |
Solvent content (%) | 52 |
Diffraction protocol | |
Radiation source | Synchrotron radiation (ID14.2) |
Wavelength (Å) | 0.93 |
Detector type | ADSC Q4 CCD |
X-ray beam size (µm) | 100 |
Crystal-to-detector distance (mm) | 234.17 |
Oscillation range (°) | 0.5 |
Temperature (K) | 100 |
Data-collection statistics | |
Resolution (Å) | 50.0–2.80 (2.95–2.80) |
No. of unique reflections | 12079 (2942) |
No. of observed reflections | 81914 (20393) |
Completeness (%) | 99.1 (99.5) |
Multiplicity | 4.0 (4.1) |
Mean I/σ(I) | 20.4 (2.3) |
Rmerge† | 0.05 (0.50) |
Rp.i.m.‡ | 0.03 (0.33) |
R
merge =
, where Ii(hkl) is the ith observed amplitude of reflection hkl and 〈I(hkl)〉 is the mean amplitude for the measurements of reflection hkl.
R p.i.m. is the precision-indicating (multiplicity-weighted) R merge (Weiss, 2001 ▶).