Table S1.
Data collection and refinement statistic
| Data collection | |
| Spacegroup | P212121 |
| Cell constants, Å | a = 50.99, b = 89.68,c = 95.25,α = β = γ = 90° |
| Wavelength, Å | 0.97975 |
| Resolution (last shell), Å | 50.0–2.28 (2.42–2.28) |
| No. of unique reflections | 37155 (5515) |
| No. of total reflections | 284963 (41350) |
| Completeness, % | 98.4 (90.6) |
| Redundancy | 7.7 (7.5) |
| Rmeas, % | 13.4 (73.1) |
| I/Iσ | 13.36 (3.03) |
| Refinement | |
| Resolution, Å | 47.3–2.28 |
| Rwork/Rfree, % | 18.7/23.0 |
| Residues modeled ceGLD-2 | 546–765, 774–803, 855–875, 882–923 |
| Residues modeled ceGLD-3 | 25–88 |
| Total no. of waters | 115 |
| Total no. of heteroatoms | 1 |
| Rms deviations | |
| Bond lengths, Å | 0.003 |
| Bond angles, ° | 0.753 |
| Dihedral angles, ° | 14.37 |
| Average B factors, Å2 | 44.2 |
| Ramachandran plot | |
| Residues in most favored region, % | 95.9 |
| Additionally allowed, % | 3.8 |
| Generously allowed or not allowed, % | 0.3 |
Numbers in parentheses correspond to the last shell.