TABLE 1.
Data and refinement statistics
| Statistics | Value(s)a |
|---|---|
| Data statistics | |
| Space group | P31 |
| Unit cell dimensions | a = b = 104.16 Å, c = 86.91 Å; α = β = 90°, γ = 120° |
| Resolution range (Å) | 25.32-2.25 (2.30-2.25) |
| Completeness of data (%) | 99.96 (99.9) |
| Redundancy of data | 4.5 (4.4) |
| I/σ | 41.8 (5.34) |
| Rmerge | 0.076 (0.572) |
| Refinement statistics | |
| Resolution (Å) | 2.25 |
| No. of unique reflections | 47,650 (3,506) |
| R (%) | 21.7 (27.8) |
| Rfree (%) | 26.4 (32.5) |
| Asymmetric unit | Trimer of dimers |
| No. of nonhydrogen protein atoms | 6,729 |
| No. of water molecules | 213 |
| Mean B-factor | |
| Protein | 48.3 |
| Water | 48.8 |
| Ramachandran plot—residues in: | |
| Most favored regions (%) | 89.1 |
| Additionally allowed regions (%) | 8.7 |
| Generously allowed regions (%) | 1.1 |
| Disallowed region (%) | 1.1 |
| Nonideality of: | |
| Bond angles (°) | 1.926 |
| Bond lengths (Å) | 0.020 |
a
Values in parentheses are for the highest-resolution shell.