Table 1. Data-collection statistics.

Values in parentheses are for the outer shell.

Beamline	PROXIMA1, SOLEIL
Wavelength ()	0.931
Detector	PILATUS 6M
Space group	P64
Unit-cell parameters ()	a = b = 95.2, c = 172.9
Resolution range ()	50.01.92 (1.971.92)
R merge	0.079 (1.08)
CC1/2	99.9 (84)
Total No. of reflections	771552 (55929)
No. of unique reflections	67557 (4957)
Completeness (%)	100.0 (100.0)
Multiplicity	11.4 (11.3)
I/(I)	18.0 (2.0)
B factor from Wilson plot (2)	37.1
MOLREP contrast with 3stb †	7.1, 6.5 [3.1]
MOLREP contrast with 4nc2 †	6.9, 6.2 [3.2]
MOLREP contrast with 4hem †	6.5, 5.9 [3.0]

^†The contrast of the next solution is given in square brackets.