Table 3. Data collection and processing.

Data	Native	Br (peak)
Diffraction source	BL19U1, SSRF	BL19U1, SSRF
Wavelength (Å)	0.9793	0.9190
Temperature (K)	100	100
Detector	PILATUS3 6M	PILATUS3 6M
Crystal-to-detector distance (mm)	350	400
Rotation range per image (°)	1	1
Total rotation range (°)	180	1800
Exposure time per image (s)	0.3	0.15
Space group	C2221	C2221
a, b, c (Å)	77.5, 119.8, 97.4	79.3, 119.2, 97.6
α, β, γ (°)	90, 90, 90	90, 90, 90
Mosaicity (°)	0.4	0.6
Resolution range (Å)	40–2.1 (2.18–2.10)	30–2.6 (2.69–2.60)
Total No. of reflections	173489	937292
No. of unique reflections	26899 (2620)	14601 (1437)
Completeness (%)	100 (99.7)	100 (100)
Multiplicity	6.4 (5.8)	64.2 (58.5)
〈I/σ(I)〉	11.7 (1.6)	25.0 (6.0)
CC1/2	0.98 (0.73)	0.99 (0.98)
R r.i.m.	0.15 (0.92)	0.18 (0.71)
R p.i.m.	0.06 (0.38)	0.02 (0.10)
Overall B factor from Wilson plot (Å2)	27.74	29.32