Expression, purification, crystallization and preliminary X-ray diffraction analysis of swine leukocyte antigen 2 complexed with a CTL epitope AS64 derived from Asia1 serotype of foot-and-mouth disease virus

Table 3 X-ray diffraction data and processing statistics. Values in parentheses are for the highest resolution shell

Diffraction source	BL17U, SSRF
Wavelength (Å)	1.00000
Temperature (°C)	−173
Detector	ADSC Q315 CCD
Crystal-to-detector distance (mm)	350.00
Space group	P2₁2₁2₁
Unit-cell parameters (Å)	a = 48.37, b = 97.75, c = 166.16
Resolution range (Å)	50.0–2.40 (2.40–2.49) ^a
Total No. of reflections	222,792
No. of unique reflections	31,827
Completeness (%)	99.2
Average I/σ(I)	21.8
R_merge^b (%)	7.8 (31.8)
Redundancy	7.0 (7.1)

^aValues in parentheses refer to statistics in the outermost resolution shell
^bR_merge = ∑_hkl∑_i ∣I_i -〈I〉∣∑_hkl∑_iI_i, where I_i is the observed intensity and 〈I〉 is the average intensity of multiple observations of symmetry related reflections

ISSN: 1746-6148