Table 1. Data-collection statistics.

Values in parentheses are for the last resolution shell.

Synchrotron beamline	PAL 6C1
Wavelength (Å)	0.96418
Unit-cell parameters
a = b (Å)	69.5
c (Å)	154.4
α = β (°)	90
γ (°)	120
Space group	P3221
Resolution (Å)	50.00–1.90 (1.97–1.90)
Total No. of reflections	32228
No. of unique observations	2036
Redundancy	10.5 (10.2)
Completeness (%)	92.2 (59.3)
Molecules per ASU	2
VM (Å3 Da−1)	3.2
Solvent content (%)	61.7
Rmerge† (%)	0.051 (0.477)
I/σ(I)	63.1 (5.6)

^† R _merge = , where I _i(hkl) is the intensity of the ith observation of reflection hkl and 〈I(hkl)〉 is the average intensity of reflection hkl.