Table 1. Data and model statistics for each of the AstC structures solved.
| APO | PLP | PLP+ SO | PLP+ ORN | |
| Space group | R32:h | C2 | C2 | C2 |
| Cell (Å) | 231.5×231.5×110.4γ = 120 | 184.7×118.4×109.8ß = 96.7 | 183.9×118.3×109.2ß = 96.8 | 184.4×118.3×109.5ß = 96.8 |
| Resolution (Å) | 19.8–2.75 | 19.8–2.20 | 19.8–2.45 | 19.8–2.30 |
| Completeness (%) (high res bin) | 99.3 (99.2) | 99.7 (98.0) | 99.8 (100) | 97.8 (86.6) |
| Rwork (%) | 16.8 | 17.9 | 17.0 | 17.8 |
| Rfree (%) | 21.1 | 21.8 | 22.5 | 20.9 |
| X-ray source | MX-2 | MX-2 | MX-2 | MX-2 |
| Detector | ADSC 315 | ADSC 315 | ADSC 315 | ADSC 315 |
| Wavelength ( Å) | 0.9537 | 0.9537 | 0.9537 | 0.9537 |
| Unique reflections | 29,220 | 118,526 | 85,143 | 101,215 |
| Observed reflections | 645,137 | 897,990 | 502,881 | 352,029 |
| Solvent content (%) | 65.3 | 64.6 | 64.2 | 64.3 |
| Data redundancy (high res bin) | 22.1 (22.4) | 7.6 (7.0) | 5.9 (5.9) | 3.5 (2.7) |
| Mean I/σ(I) (high res bin) | 21.9 (6.0) | 14.6 (3.4) | 10.6 (2.9) | 10.7 (3.0) |
| Rmerge (high res bin) | 0.150 (0.717) | 0.133 (0.610) | 0.154 (0.627) | 0.098 (0.335) |
| Rpim (high res bin) | 0.032 (0.154) | 0.052 (0.247) | 0.068 (0.279) | 0.061 (0.237) |
| Size of Rfree set (%) | 5 | 5 | 5 | 5 |
| Total atoms | 5,775 | 13,095 | 12,731 | 12,925 |
| water molecules | 30 | 644 | 321 | 518 |
| Hetero atoms | 0 | 66 | 124 | 63 |
| RMSD Bond lengths (Å) | 0.020 | 0.027 | 0.018 | 0.026 |
| RMSD Bond angles (°) | 2.017 | 2.280 | 2.097 | 2.267 |
| Ramachandran | ||||
| Favored region (%) | 91.6 | 94.6 | 92.2 | 93.8 |
| Allowed regions (%) | 6.6 | 4.9 | 6.7 | 5.6 |
| Disallowed region (%) | 1.8 | 0.5 | 1.1 | 0.7 |
| Mean B factors (Å2) | 33.8 | 25.2 | 28.2 | 22.7 |
Values in parenthesis are for the high resolution shell.