Table 1. Statistics of X-ray data collection.

Values in parentheses are for the highest resolution shell.

Wavelength (Å)	0.9794
Resolution range (Å)	20.0–3.2 (3.34–3.2)
Space group	P3221
Unit-cell parameters (Å)	a = b = 118.7, c = 106.0
No. of observed reflections	119949 (11502)
No. of unique reflections	14529 (1396)
Redundancy	8.4 (8.2)
Completeness (%)	94.4 (92.0)
Rmerge† (%)	14.1 (49.7)
〈I/σ(I)〉	18.7 (4.3)

^† R _merge = , where I _i(hkl) is the ith observation of reflection hkl and 〈I(hkl)〉 is the weighted average intensity for all observations i of reflection hkl.