Table 1.

Summary of crystallographic statistics

Data collection
Space group	P 3
Unit cell (a, b, c (Å))	76.8, 76.8, 31.8
Wavelength (Å)	1.0
Resolution (Å)	50.0–2.5 (2.54–2.50)a
Rmerge	0.097 (0.376)
I/σ	24.5 (3.6)
Completeness (%)	99.9 (97.8)
Redundancy	5.0 (4.7)
No. of unique reflections	7,313
Refinement
Rwork/Rfree (%)	21.6/24.6
No. of atoms (average B factor (Å2))
Protein	1449 (63.2)
Water	30 (64.9)
Acetate, sulfate, glycerol	30 (81.6)
Ramachandran plot (%)
Favored	95.7
Allowed	4.3
Root mean square deviation
Bond length (Å)	0.01
Bond angles (deg)	0.74

^a Values in parentheses indicate highest-resolution shell.