Table 1. Statistics for data collection and refinement.

Data collection
Space group	C121
Unit cell a, b, c (Å), β (°)	122.4, 60.6, 71.1, 109.1
Resolution range	67.27-2.02 (2.09-2.02)
No. of unique reflections	32,136 (3,189)
Average multiplicity	2.4 (2.3)
Completeness, %	99.2 (99.2)
Rmerge, %	7.2 (47)
I/σI	18.9 (3.1)
Wilson 〈B 〉, Å2	35.2
Solvent content, %	41.9
Refinement
Resolution range, Å	20-2.02
Total no. of reflections used	30,486 (2,223)
No. of reflections in working set	28,859
No. of reflections for Rfree calculation	1,627
R, %	18.0 (21.4)
Rfree, %	22.6 (27.4)
〈B 〉/rms delta-B for bonded atoms, Å2	37.4/1.85
rms deviation from ideal bond length, Å	0.017
rms deviation from ideal angle, °	1.602

Values in parentheses are for the highest-resolution shell.