Table 1.
Data collection and refinement statistics
| Data collection | E71A KcsA in high Na+ and no K+ |
| Space group | I4 |
| Cell dimensions | |
| a, b, c (Å) | 154.90, 154.90, 75.49 |
| α, β, γ (°) | 90.0, 90.0, 90.0 |
| Resolution (Å) | 50.0–3.8 (3.89–3.80)* |
| Rsym or Rmerge | 10.7 (44.5) |
| I/σI | 11.9 (2.7) |
| Completeness (%) | 99.8 (100.0) |
| Redundancy | 3.6 (3.6) |
|
Refinement |
|
| Resolution (Å) | 3.80 |
| No. reflections | 8449 |
| Rwork/Rfree | 24.9/28.4 |
| No. atoms | |
| Protein | 4070 |
| Ligand/ion | 2 |
| Water | 0 |
| B factors | |
| Protein | 79.5 |
| Ligand/ion | 19.6 |
| rms deviations | |
| Bond lengths (Å) | 0.005 |
| Bond angles (°) | 0.791 |
*Values in parentheses are for highest-resolution shell.