Table 1.
Data collection and refinement statistics
| Data collection | |
| Space group | P41212 |
| Unit cell | a = b = 99.8 Å, c = 90.4 Å |
| Resolution range | 100–2.3 Å (2.44–2.30 Å) |
| No. of unique reflections | 20,411 (3,206) |
| Completeness | 96.4% (92.5%) |
| I/σ(I) > 3 | 82.8% (65.7%) |
| R-merge | 8.1% (33.0%) |
| Refinement statistics (30 to 2.3-Å resolution) | |
| Reflections | 18,805 |
| R-factor | 20.1% |
| Rfree-factor | 26.2% |
| No. of protein nonhydrogen atoms | 2,460 |
| No. of X-bp residues | 252 |
| No. of Gla-domain residues | 44 |
| No. of calcium ions | 12 |
| No. of water molecules | 181 |
| rms deviations from ideal geometry | |
| Bond lengths | 0.008 Å |
| Bond angles | 1.5° |
| Overall average B-factor | 24.3 Å2 |
| Average B-factor (protein) | 23.9 Å2 |
| Average B-factor (calcium) | 21.9 Å2 |
| Average B-factor (water) | 30.2 Å2 |