TABLE 2:

Refinement statistics.

Resolution range (Å)	40.95−1.89 (1.97−1.89)
No. of reflections Rwork/Rfree	23,025/1152 (2211/116)
Data completeness (%)	95.06 (76)
Atoms (non-H protein/solvent)	2197/161
Rwork (%)	17.3 (21.4)
Rfree (%)	21.2 (29.3)
rmsd bond lengths (Å)	0.007
rmsd bond angles (°)	0.810
Mean B-value (Å2; non-H protein/solvent)	25.7/31.1
Ramachandran plot (%) (favored/additional/disallowed)	98.5/1.5/0
Maximum likelihood coordinate error (Å)	0.20
Missing residues, protein	1–27, 47–63, 243–251
MolProbity Clashscore	4.02 (98th percentile)
MolProbity overall score	1.19 (99th percentile)