Table 1. Crystallographic and data-collection statistics.

Values in parentheses are for the highest resolution shell.

Space group	C2
Unit-cell parameters (Å, °)	a = 167.4, b = 83.6, c = 88.3, α = 90, β = 100.6, γ = 90
No. of monomers per ASU	4
Matthews coefficient (Å3 Da−1)	2.2
Solvent content (%)	44.7
Wavelength (Å)	1.54179
Resolution (Å)	19.67–2.39 (2.53–2.39)
No. of reflections	173567 (24613)
No. of unique reflections	47107 (7104)
Rmerge (%)†	5.4 (9.5)
〈I/σ(I)〉	16.3 (10.1)
Completeness (%)	99.1 (95.9)

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