Table 1. Diffraction, data-collection and reduction statistics for TRCF selenomethionyl-substituted crystals.

Values in parentheses are for the highest resolution shell.

	SeMet1	SeMet2
Space group	C2	C2
Molecules per ASU	2	2
Unit-cell parameters (Å, °)	a = 151.7, b = 162.2, c = 162.1, β = 104.9	a = 151.9, b = 162.0, c = 161.7, β = 105.1
Wavelength (Å)	0.98166	0.97899
Resolution (Å)	40–4.0 (4.14–4.0)	40–3.2 (3.31–3.20)
Reflections measured	228334	300181
Unique reflections	62430	122388
Completeness (%)	99.6 (100)	99.9 (99.9)
Redundancy	3.7 (3.7)	2.5 (2.0)
〈I/σ(I)〉	10.9 (2.9)	12.4 (2.5)
Rsym† (%)	12.9 (50.2)	0.08 (37.7)
SAD figure of merit	0.17

^† R _sym = , where I is the observed intensity and 〈I〉 is the average intensity of multiple observations of symmetry-related reflections.