Table S1.
Data collection and refinement statistics
| Data collection | BCHZΔAL |
| Space group | C2 |
| Cell dimensions | |
| a, b, c, Å | 214.2, 87.2, 115.0 |
| α, β, γ, ° | 90.0, 90.0, 109.7 |
| Resolution, Å | 50–2.4 |
| Rsym or Rmerge | 11.2 (100) |
| Rmeas | 12.0 (100) |
| Rpim | 6.0 (55.5) |
| I/σI | 12.7 (1.3) |
| CC1/2 | 83.7 (36.6) |
| Completeness, % | 99.8 (99.8) |
| Redundancy | 5.0 (4.9) |
| Refinement | |
| Resolution, Å | 50–2.4 |
| No. of reflections | 77,429 |
| Rwork/Rfree | 0.25/0.28 |
| No. of atoms | |
| Proteins | 8,742 |
| Water | 155 |
| Zinc | 8 |
| B factors | |
| Proteins | 57.2 |
| Water | 33.0 |
| Zinc | 53.9 |
| rms deviations | |
| Bond length, Å | 0.013 |
| Bond angles, ° | 1.067 |