Table 1. Data collection and structural refinement statistics.
| Data collectiona | |
|---|---|
| Space group | P212121 |
| Cell dimensions | |
| a, b, c (Å) | 92.24, 98.18, 167.89 |
| Resolution (Å) | 30.0–2.40 (2.44–2.40)b |
| Rmerge (%) | 11.2 (71.2) |
| Rpim (%) | 3.3 (27.9) |
| I/σ(I) | 29.4 (2.13) |
| Completeness (%) | 90.0 (54.2) |
| Redundancy | 11.6 (6.1) |
| Refinement | |
| Resolution (Å) | 30.0–2.40 (2.44–2.40) |
| No. reflections | 55,261 (2,164) |
| Rwork/Rfreec (%) | 18.3/22.7 (22.3/30.3) |
| No. atoms | |
| Protein | 6,945 |
| DNA | 2,120 |
| Water | 233 |
| Ca2+ ions | 6 |
| Ethylene glycol | 4 |
| B factors (Å2) | |
| Protein and DNA | 87.3 |
| Water | 74.9 |
| Ca2+ ions | 84.4 |
| Ethylene glycol | 87.4 |
| Rmsd bond lengths (Å) | 0.011 |
| Rmsd bond angles (°) | 1.11 |
aData were collected at 100 K.
bValues in parentheses are for the highest-resolution shell.
cRfree was calculated with a subset of data (5%) that was never used in refinement.