| Crystallization conditions | Cell parameters | Resolution (Å) |
| 48% PEG 600, 200 mM imidazole malate, pH 5.5 dUMP - 13% PEG 4,000, 50mM Tris-HCl, 2 mM bME, pH 7.4 | I23 a = b = c = 116.0 Å | 4 |
| 1.95 M ammonium sulfate, 0.1 M PIPES, pH 6.5 | P61/P65 a = b = 104.3 Å , c = 253.2 Å | 2.9 |
| 1.92 M ammonium sulfate, 100 mM HEPES, pH 7.5 | P21 a = 63.58Å, b = 161.61 Å, c = 82.86 Å, b = 113.6o | 3.5 |
| 13% MPEG, 50 mM sodium cacodylate, pH 6.5 | P63 a = b = 78.0 Å, c = 87.3 Å | 1.8 |
| dUDP - 1.0 M sodium citrate, pH 6.5 | P212121 a = 68.6 Å, b = 72.4 Å c = 77.4 Å | 2.3 |
| High dUDP - 1.25 M sodium citrate, pH 6.5 | Cubic P32 a = b = c = 72.4 Å | 2.3 |