Table 3 Data-collection statistics

Beam size

70 × 50 μm

Wavelength (Å)

0.97915

Crystal-to-detector distance (mm)

350

Data-collection temperature (K)

100

Oscillation range per frame (^o)

1

Exposure time per frame (s)

1

Images taken

180

Resolution (Å)

50–2.55 (2.64–2.55)

Space group

P3

Mosaicity (^o)

0.4

Unit-cell parameters (Å, ^o)

a = 68.5, b = 68.5, c = 237.0, α = 90, β = 90, γ = 120

Estimated No. of molecules per asymmetric unit

4

Matthews coefficient (ų Da⁻¹)

2.77

Solvent content (%)

55.6

No. of observed reflections

230, 849

No. of unique reflections

40, 314

Completeness (%)

99.7 (99.6)

Multiplicity

5.7 (5.7)

Average I/σ(I)

18.1 (2.2)

R ^a_merge (%)

9.2 (87.2)