Table 1. Data-collection and refinement statistics.

Values in parentheses are for the highest resolution shell.

Data collection
Space group	P212121
Beamline	Diamond I04
Unit-cell parameters (Å, °)	a = 40.9, b = 96.0, c = 142.4, α = β = γ = 90
Resolution (Å)	71.2–1.75 (1.84–1.75)
Rmerge†	5.7 (41.3)
I/σ(I)	9.7 (1.8)
Completeness (%)	99.1 (99.2)
Redundancy	3.4 (3.4)
Refinement
Resolution (Å)	79.62–1.75
No. of reflections	54060
Rwork/Rfree‡ (%)	18.5/22.5
Average B factor (Å2)	13.74
R.m.s. deviations
Bond lengths (Å)	0.017
Bond angles (°)	1.619

^† R _merge = , where I_i(hkl) is the intensity of an individual reflection and 〈I(hkl)〉 is the average intensity.

^‡ R _work and R _free = . R _free was calculated using 5% of the data