5.5 CtUGGTGT24 UDP−Glc soaked crystal X-ray diffraction for FBLD

Automated data collection was carried out on 596 soaked crystals. Automated loop centring failed about 6% of the time, and about 50 crystals were re-measured with optical centring. The symmetry is sometimes lowered by soaking, the crystal can in this case index in space group P1 with three molecules in the asymmetric unit of a pseudo-rhombohedral cell of dimensions a = 66.3 Å b = 72.7 Å c = 72.7 Å, alpha = 111.2°, beta = 107.7°, and gamma = 107.7°. This cell is related to the one of the rhombohedral setting of the H3 crystals, a = b = c = 72.32 Å  and α = β = γ = 110.43°.