Table 2. Crystallographic refinement statistics.

Rcryst† (%)	20.84
Rfree‡ (%)	24.69
R.m.s.d.§ bond lengths (Å)	0.0163
R.m.s.d. angles (°)	1.583
Mean B (Å2)	33.1
MolProbity statistics
Ramachandran
Most favoured (%)	96.2
Allowed (%)	3.8
Outliers (%)	0.0
Rotamer outliers (%)	1.94
Clashscore¶	1.97 (100th percentile)
Overall score¶	1.18 (100th percentile)
Overall G factor††	0.02

^† R _cryst = .

^‡ R _free was calculated with a small fraction (5%) of randomly selected reflections.

^§Root-mean-square deviation.

^¶The scores are ranked according to structures of similar resolution as formulated in Mol­Probity.

^††The overall measure of structure quality from PROCHECK (Laskowski et al., 1993 ▶).