Table 1. Crystal and data-collection statistics.

Values in parentheses are for the highest resolution shell.

Crystal dimensions (mm)	1.3 × 1.3 × 0.4
Unit-cell parameters (Å)	a = b = 72.4, c = 583.3
Space group	P41212
Molecules per asymmetric unit	1
Resolution range (Å)	20–2.6 (2.8–2.6)
Unique reflections	53989 (8118)
Redundancy	6.1 (3.52)
Completeness (%)	98.6 (96.4)
〈I/σ(I)〉†	19.9 (3.3)
R merge ‡ (%)	9.5 (29.3)
B § (Å2)	50.2
Mosaicity (°)	0.55
Twinning fraction (%)	1.0

^†Average of the intensity divided by the standard deviation for all reflections.

^‡ , where I(hkl) is the intensity of reflection hkl, is the sum over all reflections and is the sum over i measurements of reflection hkl.

^§Overall Debye–Waller temperature factor.