Table 1. Data-collection statistics.

Values in parentheses are for the last shell.

Space group	I222
Unit-cell parameters (Å)	a = 109.9, b = 136.7, c = 192.0
Wavelength (Å)	0.98
Resolution (Å)	50–2.60 (2.64–2.60)
Measured reflections	373906
Unique reflections	42206
R merge †	0.063 (0.333)
〈I/σ(I)〉	50.5 (5.0)
Completeness (%)	99.7 (99.5)
Multiplicity	8.9 (7.0)

^† R _merge = , where I _i(hkl) is the observed intensity and 〈I(hkl)〉 is the average intensity over symmetry-equivalent measurements.