Table 3. Data collection and processing.

Diffraction source	Beamline BL17U1, SSRF
Wavelength (Å)	0.9792
Temperature (K)	100
Detector	ADSC Q315 CCD
Rotation range per image (°)	1
Total rotation range (°)	360
Exposure time per image (s)	0.5
Space group	I121
a, b, c (Å)	97.37, 100.61, 131.12
α, β, γ (°)	90, 96.10, 90
Resolution range (Å)	79.65–2.20 (2.25–2.20)
Total No. of reflections	232183 (16373)
No. of unique reflections	63495 (4458)
Completeness (%)	99.5 (100)
Multiplicity	1.9
〈I/σ(I)〉	11 (3.4)
R r.i.m.	0.096 (0.608)
CC1/2	0.996 (0.832)
Overall B factor from Wilson plot (Å2)	35.915