Table 1. Data-collection and processing statistics.

Values in parentheses are for the highest resolution shell.

Space group	P41
Unit-cell parameters (Å, °)	a = b = 57.1, c = 120.1, α = β = γ = 90
Resolution range	50.0–2.0 (2.1–2.0)
Completeness (%)	94.7 (91.3)
Rmerge† (%)	8.6 (28.4)
Mean I/σ(I)	6.7 (2.3)
No. of observed reflections	66954
No. of unique reflections	24675 (3198)
Redundancy	2.9 (2.1)
Mosaicity (°)	0.7

^† 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.