Table 1. Data-collection statistics.

Values in parentheses are for the outermost shell.

Space group	I222 or I212121
Unit-cell parameters (Å)	a = 48.6, b = 61.9, c = 79.6
No. of molecules in the unit cell	4
VM (Å3 Da−1)	2
Solvent content (%)	39
Resolution range (Å)	43.2–2.7 (2.8–2.7)
Total No. of measured reflections	17521
No. of unique reflections	3285
Completeness (%)	98.7 (98.9)
Rmerge† (%)	10.9 (49.7)
Rr.i.m.† (%)	11.8 (59.1)
Rp.i.m.† (%)	9.4 (34.2)
Average I/σ(I)	5.4 (2.0)

^† R _merge = , R _r.i.m. = , R _p.i.m. = (Weiss, 2001 ▶).