Table 1.

Data collection and refinement statistics.

Values for highest resolution shell (1.9–1.97 Å for native crystals and 3.4–3.52 Å for SeMet-containing crystals) are shown in parentheses.

	Wavelength (Å)	Resolution (Å)	Rmerge (%)	Completeness (%)	I/σ(I) at high resolution
Crystal 1 (SeMet)
Peak	0.97936	50–3.4	9.7 (43.1)	99.9 (99.9)	4.7
Inflection	0.97950	50–3.4	11.1 (56.9)	99.9 (99.9)	3.1
Low remote	1.00800	50–3.4	10.8 (58.0)	99.7 (99.0)	1.9
Crystal 2 (native)	0.97934	50–1.9	7.8 (67.7)	100 (100)	3
Refinement.
Resolution (Å)					50–1.9
No. of protein non-H atoms					3238
No. of Mg atoms					3
No. of water molecules					228
No. of reflections					36763
No. of test-set reflections (5%)					1823
R (%)					20.1 (25.4)
Free R (%)					23.5 (29.7)
R.m.s.d. bonds (Å)					0.009
R.m.s.d. angles (°)					1.5
Overall B factor (Å2)					30.8
Ramachandran plot†
Most favored regions (%)					93.9
Allowed regions (%)					4.4
Generously allowed regions (%)					1.7
Disallowed regions (%)					0.0

^†Ramachandran plot parameters were calculated using PROCHECK (Laskowski et al., 1993).