Table 4. Comparison of molecular-replacement models.
The icosahedral asymmetric units were used as rigid bodies in all cases. O (Jones et al., 1990 ▸) was used for superposition of the molecules. The cutoff for the inclusion of residues in the r.m.s.d calculation was 3.8 Å
| MR model (PDB code) | 1bev | 1cov | 1ev1 | 1hxs | 1tmf | 2mev | 2wff | 2x5i | 3vbf | 4iv1 |
|---|---|---|---|---|---|---|---|---|---|---|
| R.m.s.d. from final AiV1 structure† (Å) | 1.64 | 1.64 | 1.64 | 1.60 | 1.63 | 1.53 | 1.76 | 1.62 | 1.57 | 1.72 |
| Fraction of aligned residues‡ (%) | 70 | 67 | 65 | 64 | 69 | 69 | 79 | 66 | 65 | 79 |
| Sequence identity to AiV1 (%) | 16 | 16 | 15 | 16 | 19 | 19 | 20 | 15 | 17 | 18 |
| R factor after MR | 0.509 | 0.508 | 0.512 | 0.514 | 0.514 | 0.511 | 0.515 | 0.515 | 0.514 | 0.519 |
†
R.m.s. deviations of superimposed Cα atoms of the respective structures from the final AiV1 model.
‡
Percentage of available amino-acid residues used for the calculations.