Table 1 Summary of crystallographic data.
From: Conservation of structure and activity in Plasmodium purine nucleoside phosphorylases
| Â | PvPNP | Pf PNP hypoxanthine-ribose-AsO4 complex |
|---|---|---|
PDB code | 3EMV | 3ENZ |
Space group | R32 | I4122 |
Unit cell | a = b = 94.8 Ã…, | a = b = 177.8 Ã…, c = 253.9 Ã… |
|  | c = 121.3 Å | α = β = γ = 90.0° |
|  | α = β = 90.0°, |  |
|  | γ = 120.0° |  |
Resolution range (Å) | 33.98 – 1.85 (1.92 – 1.85) | 30.94 – 2.03 (2.10 – 2.03) |
Unique reflections | 14,619 (875) | 129,248 (12,783) |
Completeness (%) | 80.5 (49.0) | 99.4 (99.8) |
Redundancy | 6.0 (4.4) | 10.7 (8.0) |
I/σI | 17.6 (4.3) | 18.5 (2.7) |
R merge | 0.095 (0.234) | 0.106 (0.556) |
Solvent content | 33.5% | 58.9% |
Refined model | Â | Â |
No. Protein chains | 1 | 6 |
No. Protein atoms | 1921 | 11268 |
No. Other atoms (ligand, organic solvent and water) | 80 | 779 |
No. TLS groups | 1 | 30 |
Rfact | 0.193 | 0.160 |
Rfree | 0.233 | 0.193 |
FOM | 0.852 | 0.891 |
Mean B fac protein (Ã…2) | 25.7 | 16.1 |
Mean B fac other atoms (Ã…2) | 29.6 | 28.8 |
rms bonds (Ã…) | 0.012 | 0.016 |
rms angles (°) | 1.611 | 1.396 |