Table 1.

Data Collection and Refinement Statistics^a

Data Collection
beamline	SBC19-ID (APS)
wavelength (Å)	0.9794
resolution range (Å)	33.48–1.95 (2.02–1.95)
space group	I222
unit cell	56.65 Å, 135.54 Å, 149.61 Å, 90°, 90°, 90°
total no. of reflections	41902
no. of unique reflections	38497 (2564)
multiplicity	4.0 (3.2)
completeness (%)	0.995 (0.997)
mean I/σ(I)	16.25 (2.15)
Wilson B factor	18.02
Rmerge, Rmeas	0.10 (0.81), 0.11 (0. 95)
Refinement
Rwork, Rfree	0.162 (0.179), 0.184 (0.204)
bonds (Å)/angles (deg)	0.008/1.174
no. of non-hydrogen atoms	3191
macromolecules	2936
ligands	23
protein residues	384
root-mean-square deviation for bonds (Å)	0.008
root-mean-square deviation for angles (deg)	1.13
Ramachandran favored/allowed (%)	98/2.1
Ramachandran outliers (%)	0
rotamer outliers (%)	2.2
Clashscore	0.85
average B factor (Å2)	25.99
molecule/ligands/solvent (Å2)	25.66/20.39/30.69

^aStatistics for the highest-resolution shell are shown in parentheses.