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. 2011 Feb 25;67(Pt 3):364–368. doi: 10.1107/S1744309110053807

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
VM3 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 = Inline graphic Inline graphic, 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).