Table 1. Diffraction, data-collection and reduction statistics.

Values in parentheses are for the highest resolution shell.

Wavelength (Å)	0.939
Space group	C2
Unit-cell parameters (Å, °)	a = 278.9, b = 95.0, c = 199.3, β = 125.8
Resolution limits (Å)	50.0–3.3 (3.48–3.30)
No. of reflections	133885 (17765)
No. of unique reflections	54793 (7508)
Rsym (%)	17.1 (38.5)
Mean I/σ(I)	6.4 (2.1)
Completeness (%)	86.0 (81.2)
Multiplicity	2.4 (2.4)