Table 1. Crystal and data-collection statistics.

Values in parentheses are for the highest resolution shell.

Temperature (K)	100
X-ray source	APS, BioCARS, 14-BM-C
Detector	ADSC Quantum 315
Wavelength (Å)	1.0000
Space group, crystal system	P41212, tetragonal
Unit-cell parameters (Å)	a = b = 86.6, c = 104.3
Matthews coefficient VM (Å3 Da−1)	2.7
Solvent content (%)	53.5
Molecules per ASU	1
Resolution range (Å)	100–1.80 (1.86–1.80)
Mosaicity (°)	0.3
Total observations	172279
Unique observations	37229
Multiplicity	4.6 (4.7)
Data completeness (%)	99.1 (100)
〈I/σ(I)〉	43.8 (2.6)
Rmerge† (%)	3.0 (50.5)

^† R _merge = , where I _i(hkl) is the ith observation of reflection hkl and 〈I(hkl)〉 is the weighted average intensity for all observations i of reflection hkl.