Table 4. Structure solution and refinement.

Values in parentheses are for the outer shell.

Resolution range (Å)	53.050–1.800 (1.847–1.800)
Completeness (%)	99.79 (99.88)
σ Cutoff	None
No. of reflections, working set	22298 (1600)
No. of reflections, test set	1251 (94)
Final R cryst	0.151 (0.216)
Final R free	0.193 (0.285)
No. of non-H atoms
Protein	1348
Other	12
Water	185
R.m.s. deviations
Bonds (Å)	0.03
Angles (°)	2.46
Average B factors (Å2)
Protein	37.0
Ramachandran plot
Most favoured (%)	99
Allowed (%)	1