Table 2. Structure solution and refinement.

Values in parentheses are for the highest resolution shell.

Resolution range (Å)	47.53–2.15 (2.21–2.15)
Completeness (%)	99.5
σ Cutoff	F > 0.000σ(F)
No. of reflections, working set	26913 (1939)
No. of reflections, test set	1412 (105)
No. of molecules in asymmetric unit	2
Matthews coefficient (Å3 Da−1)	2.54
Final R cryst	0.206 (0.265)
Final R free	0.257 (0.282)
Cruickshank DPI	0.196
No. of non-H atoms
Protein	3192
Ion	6
Water	203
Total	3401
R.m.s. deviations
Bond lengths (Å)	0.009
Angles (°)	1.269
Average B factors (Å2)
Protein	32.94
Ion	24.33
Water	30.89
Ramachandran plot
Most favoured (%)	87.5
Allowed (%)	12.5
PDB code	6ulm