Table 1. Crystallization of cgHle and X-ray diffraction of cgHle crystals.
Values in parentheses are for the highest resolution shell.
Crystal No. | 1 | 2 | 3 | 4 |
---|---|---|---|---|
Reservoir composition | 24%(w/v) PEG 8000, 0.2 M magnesium acetate, 0.1 M sodium cacodylate pH 6.6 | 24%(w/v) PEG 8000, 0.2 M magnesium acetate, 0.1 M sodium cacodylate pH 6.6 | 24%(w/v) PEG 4000, 20%(v/v) glycerol, 0.16 M MgCl2, 80 mM Tris–HCl pH 8.5 | 25.5%(w/v) PEG 4000, 15%(v/v) glycerol, 0.17 M lithium sulfate, 85 mM Tris–HCl pH 8.5 |
Drop composition before equilibration | 0.8 µl cgHle solution, 0.4 µl reservoir solution, 0.4 µl 20 mM acetyl-CoA, 0.48 µl 30%(v/v) ethylene glycol | 0.8 µl cgHle solution,0.4 µl reservoir solution, 0.1 µl 30%(v/v) ethylene glycol | 0.8 µl cgHle solution, 0.4 µl reservoir solution | 0.8 µl cgHle solution, 0.4 µl reservoir solution |
Cryoprotectant solution | 24%(w/v) PEG 8000, 0.2 M magnesium acetate, 0.1 M sodium cacodylate, 20%(v/v) ethylene glycol pH 6.6 | 24%(w/v) PEG 8000, 0.2 M magnesium acetate, 0.1 M sodium cacodylate, 20%(v/v) ethylene glycol pH 6.6 | — | — |
Beamline | X12, EMBL, Hamburg | X12, EMBL, Hamburg | 14.1, BESSY, Berlin | 14.1, BESSY, Berlin |
Wavelength (Å) | 0.90000 | 0.90000 | 0.91841 | 0.91841 |
Space group | P21 | P212121 | P212121 | P3121 or P3221 |
Unit-cell parameters (Å, °) | a = 56.79, b = 71.79, c = 91.14, β = 92.82 | a = 72.47, b = 98.96, c = 105.41 | a = 44.15, b = 89.58, c = 322.62 | a = 143.57, b = 143.5, c = 197.86 |
VM (Å3 Da−1) | 2.39 | 2.43 | 2.05 | 7.52 |
Solvent content (%) | 48.6 | 49.5 | 40.1 | 83.7 |
Resolution range (Å) | 20.0–2.0 (2.07–2.00) | 51.2–1.2 (1.24–1.20) | 45.0–1.9 (1.97–1.90) | 48.5–3.3 (3.42–3.30) |
Rmerge (%) | 17.0 (44.6) | 11.5 (62.8) | 17.7 (76.7) | 12.9 (79.2) |
Completeness (%) | 97.2 (93.9) | 98.3 (96.9) | 92.6 (93.0) | 100 (100) |
Redundancy | 3.1 (2.9) | 6.9 (5.2) | 9.4 (9.5) | 9.4 (8.7) |
Signal-to-noise ratio [I/σ(I)] | 6.3 (2.2) | 16.0 (2.3) | 11.8 (2.3) | 18.8 (2.4) |
Wilson B factor (Å2) | 10.4 | 7.8 | 16.8 | 100.1 |