Table 1.
Summary of crystallographic data
| Data collection | APG-dCTP | APG-dATP |
|---|---|---|
| Space group | P6522 | P6522 |
| Mol/AUa | 1 | 1 |
| Unit cell | ||
| a, b, c (Å) | 98.0, 98.0, 194.6 | 98.9, 98.9, 194.2 |
| α, β,γ (°) | 90, 90, 120 | 90, 90, 120 |
| Resolution (Å)b | 32.0–2.90 (2.95–2.90) | 32.1–2.90 (2.95–2.90) |
| Unique reflections | 13 253 | 13 665 |
| Completeness (%)b | 97.2 (98.2) | 98.5 (98.8) |
| Redundancyb | 7.0 (7.2) | 4.0 (4.2) |
| I/σIb | 29.4 (2.7) | 27.5 (2.7) |
| Rmergeb | 7.8 (63.3) | 6.2 (55.2) |
| Refinement statistics | ||
| Rwork/Rfree | 23.9/28.1 | 21.8/26.4 |
| Number of atoms | ||
| Protein | 2853 | 2951 |
| DNA | 326 | 326 |
| dNTP | 29 | 30 |
| Ionsc | 3 | 3 |
| Water | 28 | 28 |
| Average B factor | ||
| Protein | 85.6 | 89.7 |
| DNA | 88.8 | 79.9 |
| dNTP | 111.4 | 106.2 |
| Ions | 81.5 | 82.8 |
| Waters | 62.2 | 88.8 |
| R.m.s. deviations | ||
| Bonds (Å) | 0.007 | 0.006 |
| Angles (°) | 1.17 | 1.14 |
aMol/AU represents the number of molecules per asymmetric unit.
bData in the highest resolution shell are in parentheses.
cOne non-catalytic Mg2+ ion exists in both structures.