Extended Data Table 1 . Data collection and refinement statistics.
| Apo-Csp1 | Cu(I)-Csp1 | |
|---|---|---|
| Data collection | ||
| Space group | P21 | P2 |
| Cell dimensions | ||
| a, b, c (Å) | 40.9, 105.9, 48.7 | 44.4, 41.4, 53.1 |
| α β, γ(°) | 90.0, 112.5, 90.0 | 90.0, 92.6, 90.0 |
| Resolution (Å) | 44.95-1.50 (1.53-1.50)* | 53.06-1.90 (1.95-1.90) |
| Rmerge (%) | 7.0 (50.5) | 8.7 (43.3) |
| I/σI | 10.9 (2.6) | 5.6 (2.1) |
| Completeness (%) | 99.7 (99.8) | 99.1 (97.1) |
| Redundancy | 3.7 (3.7) | 2.8 (2.4) |
| Refinement | ||
| Resolution (Å) | 1.50 | 1.90 |
| No. reflections | 60896 (3056) | 15212 (990) |
| Rwork/ Rfree | 12.2/17.9 | 19.8/23.2 |
| No. atoms | ||
| Protein | 3209 | 1575 |
| Ligand/ion | 0 | 28 |
| Water | 406 | 116 |
| B-factors | ||
| Protein | 16.2 | 40.2 |
| Ligand/ion | 41.4 | |
| Water | 27.0 | 47.7 |
| R.m.s deviations | ||
| Bond lengths (Å) | 0.020 | 0.016 |
| Bond angles (°) | 1.8 | 1.6 |
*
Highest resolution shell is shown in parenthesis.