Table 1. Data-collection statistics.

The values in parentheses are for the highest resolution bin (approximate interval 0.1 Å).

Temperature (K)	100
X-ray source	APS, BioCars 14-BM-C
Detector	Quantum 4 CCD
Space group	C222
Unit-cell parameters (Å)	a = 188.6, b = 312.0, c = 104.1
Resolution (Å)	2.4
Total No. of observations	439493
No. of unique observations	115857
Multiplicity	3.8
Data completeness (%)	97.1 (93.0)
No. of data > 2σ(I)	91071 (4632)
〈I/σ(I)〉	17.9 (2.1)
Rmerge (%)†	8.1 (57.7)

^† R _merge = .