Table 1. Data-collection and processing statistics.

Values in parentheses are for the highest resolution shell (2.39–2.35 Å).

Space group	P42
Unit-cell parameters (Å)	a = b = 101.92, c = 100.28
Wavelength (Å)	1.84
Resolution (Å)	99–2.35
Observed reflections	1781833
Unique reflections	42448
Redundancy	4.0 (3.6)
Data completeness (%)	98.8 (99.2)
Rmerge† (%)	7.5 (58.0)
Average I/σ(I)	15.37 (2.70)
Mosaicity (°)	1.57
Matthews coefficient (Å3 Da−1)	3.6
Solvent content (%)	65
scPvuII molecules per asymmetric unit	2

^† R _merge = , where I(h) is the intensity of reflection h, is the sum over all reflections and is the sum over I measurements of reflection h.