Table 1. Crystallographic and data-collection statistics.

Values in parentheses are for the highest resolution shell.

Space group	P212121 [No. 19]
Unit-cell parameters (Å)	a = 35.88, b = 47.71, c = 97.31
Matthews coefficient (Å3 Da−1)	1.96
Molecules per asymmetric unit	2
Solvent content (%)	37
Wavelength (Å)	0.91810
Resolution (Å)	48.65–1.4 (1.47–1.4)
Unique reflections	33705 (5074)
Rmerge†	0.035 (0.146)
〈I/σ(I)〉	42.90 (11.5)
Completeness (%)	99.9 (99.8)

^† R _merge = , where I_i(hkl) and 〈I(hkl)〉 are the ith and the mean measurements of the intensity of reflection hkl.