Table 1.

Summary of crystallographic statistics

Data collection
Dataset	High remote	Peak
Wavelength (Å)	0.95373	0.97837
Resolution range (Å)	42.26–2.20 (2.32–2.20)	45.00–2.20 (2.32–2.20)
Rsyma	0.105 (0.681)	0.14 (0.932)
Rpima	0.037 (0.233)	0.031 (0.201)
Multiplicity a	8.9 (9.3)	21.3 (22.2)
I/σa	17.4 (3.4)	24.9 (4.9)
Completeness (%)a	99.5 (99.3)	99.7 (99.6)
Refinement
Resolution (Å)	42.26–2.20
Reflections work set	9540
Reflections test set	1042
R factor (%)	20.97
Rfree (%)	25.94
No. protein atoms	1241
No. water molecules	48
R.m.s. bonds (Å)	0.010
R.m.s. angles (°)	1.12
Ramachandran plot (%)
Most favored	93.1
Favored	6.1
Allowed	0.8
Disallowed	0

^aData in parentheses represent highest resolution shell.