Table 1. Crystal parameters, data-collection and refinement statistics.

Values in parentheses are for the highest resolution shell (native, 2.59–2.50 Å; SeMet, 3.63–3.50 Å).

		SeMet
	Native	Inflection	Peak	Remote
Crystal parameters
Space group	C2221	C2221
Unit-cell parameters
a (Å)	58.2	58.1
b (Å)	95.9	96.0
c (Å)	167.5	167.2
No. of molecules in ASU	1	1
Data collection
X-ray source and detector	BNL (X25)/ADSC Q315 CCD
Resolution (Å)	2.5	3.5
Total observations	109448	38377	38181	37311
Unique reflections	16710	6213	6259	6181
Completeness (%)	97.8 (99.8)	98.4 (93.3)	98.2 (91.9)	98.3 (92.3)
Redundancy	6.7 (6.7)	6.3 (6.0)	6.2 (5.7)	6.1 (5.6)
Rsym†	0.071 (0.29)	0.059 (0.09)	0.065 (0.10)	0.050 (0.07)
〈I/σ(I)〉	21.30 (5.4)	30.2 (18.3)	30.7 (17.5)	20.5 (12.1)

^† R _sym = .