Table 1. Data Collection and Refinement Statistics.

Data Collection
Wavelength (Å)	1.0750
Space Group	P3221
Cell Dimensions
a,b,c (Å)	108.28, 108.28, 213.77
α, β, γ (°)	90.00, 90.00, 120.00
Molecules/asymmetric unit	1
Resolution (Å)	48.3–3.2 (3.3–3.2)
Unique reflections	24,321
Rmerge	0.084 (1.6)
I/σI	16.4 (1.1)
Completeness (%)	99.8 (99.9)
Redundancy	5.8 (5.9)
CC1/2	1 (0.49)
Refinement
Number of nonhydrogen atoms	3903
Rwork/Rfree (%)	22.1/25.0 (35.6/39.8)
Average B factor	123
Root mean-squared deviation (rmsd)
Bond lengths (Å)	0.011
Bond angles (°)	1.8
Ramachandran analysis
Preferred regions (%)	94.6
Allowed regions (%)	4.8
Outliers (%)	0.6

Statistics in parentheses indicate those for the highest resolution shell.