Table 2. Data-collection statistics.

Space group	I2
Unit-cell parameters (, )	a = 76.17, b = 74.56, c = 118.98, = 90.0, = 96.56, = 90.0
Detector	Rigaku R-AXIS IV++
X-ray source	Rigaku MicroMax-007 HF
Wavelength ()	1.5418
No. of images	400
Oscillation range ()	0.5
Resolution range ()	27.021.81 (1.851.81)
Multiplicity	4.0 (3.7)
R meas (%)	10.0 (53.3)
R p.i.m. (%)	4.9 (27.1)
CC1/2	99.6 (78.4)
Completeness (%)	99.8 (97.0)
Total reflections	240259 (12493)
Unique reflections	59769 (3386)
I/(I)	10.3 (2.6)
Asymmetric unit content	4 monomers