Table 4. Data-collection statistics.

Values in parentheses are for the last (highest) resolution shell.

	Native data (with Mg2+)
Wavelength (Å)	1.0000
Space group	C2221
Unit-cell parameters (Å)	a = 160.15, b = 180.47, c = 57. 98
Resolution range (Å)	48–1.85 (1.93–1.85)
No. of observed reflections	355151
No. of unique reflections	72065 (8212)
Completeness (%)	99.9 (100)
Multiplicity	4.9 (4.9)
Rmerge†	0.090 (0.540)
Rmeas‡	0.066 (0.584)
I/σ(I)	14.62 (2.98)
Solvent content (%)	58.9

^† R _merge = /, where I _h,i is the ith observation of reflection h and 〈I_h〉 is its mean intensity.

^‡ R _meas = , where I _h,i is the ith observation of reflection h and n_h is the multiplicity.