Table 1.
Summary of X-ray diffraction data collection and refinement statistics
| E2 DBD/S | E2 DBD–18mer | E2 DBD–16mer | |
|---|---|---|---|
| Resolution range (Å) | 17–2.3 (2.32–2.3) | 50.0–3.1 (3.2–3.1) | 50.0–3.2 (3.3–3.2) |
| Space group | C2 | P61 | P61 |
| Unit cell | a = 97.7, b = 106.9, c = 74.9, α = γ = 90°, β = 121.7o | a = 73.4, b = 73.4, c = 109.2, α = β = 90°, γ = 120° | a = 75.2, b = 75.2, c = 97.4, α = β = 90°, γ = 120° |
| Unique reflections | 28323 (2402) | 6087 (610) | 5168 (570) |
| Redundancy | 8.2 (7.0) | 7.6 (7.1) | 22.5 (22.5) |
| Completeness (%) | 97.4 (82.7) | 99.9 (99.8) | 99.8 (100.0) |
| I/σ | 37.3 (5.5) | 17.9 (4.2) | 19.8 (5.2) |
| Rmerge (%) | 5.3 (21.7) | 11.8 (35.1) | 13.8 (38.7) |
| Refined model | |||
| Rfree | 25.4 | 28.8 | 29.7 |
| Rfactor | 18.5 | 20.3 | 18.9 |
| r.m.s.d. bond length (Å) | 0.02 | 0.02 | 0.02 |
| r.m.s.d. bond angle (o) | 2.0 | 2.3 | 2.3 |