Table 1. Data collection and refinement statistics.

t
Space group	R32
Cell dimensions
a, c (Å)	119.83,367.76
Resolution (Å)	40–1.75 (1.81–1.75)*
Rsym	0.091 (0.732)
I / σI	29.1 (3.2)
Completeness (%)	99.9 (100)
Redundancy	8.6 (8.5)
Refinement
Resolution (Å)	36.08–1.75
No. reflections	99,891
Rwork / Rfree	16.85/19.05
No. atoms
Protein	6,039
Ligand/ion	4
Water	684
B-factors
Protein	28.1
Water	31.5
R.m.s. deviations
Bond lengths (Å)	0.012
Bond angles (°)	1.457

*Values in parentheses are for the highest-resolution shell.