TABLE 2.
Cryo-EM model statistics
| Model statistica | Value for the structure |
||||
|---|---|---|---|---|---|
| E site occupied | P site occupied | Empty | 50S | 30S | |
| Refinement | |||||
| Resolution | 2.82 | 3.04 | 2.91 | 2.95 | 4.4 |
| FSC threshold | 0.143 | 0.143 | 0.143 | 0.143 | 0.143 |
| Map resolution range (Å) | 2.39–30 | 2.32–30 | 2.35–30 | 2.62–30 | 2.26–30 |
| Model cutoff (Å) | 3 | 3.1 | 3 | 3 | 4.5 |
| Model composition | |||||
| Nucleotides | 4,615 | 4,615 | 4,535 | 3,007 | 1,528 |
| Protein residues | 5,457 | 5,458 | 5,457 | 3,117 | 2,311 |
| RMSD | |||||
| Bond lengths (Å) | 0.002 | 0.002 | 0.002 | 0.002 | 0.002 |
| Bond angles (°) | 0.484 | 0.460 | 0.479 | 0.448 | 0.434 |
| Validation | |||||
| MolProbity score | 1.48 | 1.45 | 1.49 | 1.48 | 1.65 |
| Clash score | 5.95 | 6.16 | 5.91 | 5.91 | 11.21 |
| Poor rotamers (%) | 0.07 | 0.00 | 0.05 | 0.04 | 0.05 |
| Ramachandran plot (%) | |||||
| Favored | 97.16 | 97.43 | 97.05 | 97.09 | 97.62 |
| Allowed | 2.76 | 2.52 | 2.89 | 2.81 | 2.38 |
| Disallowed | 0.07 | 0.06 | 0.06 | 0.1 | 0 |
| CCmask | 0.82 | 0.85 | 0.83 | 0.86 | 0.74 |
| CCbox | 0.82 | 0.86 | 0.83 | 0.85 | 0.88 |
| CCvol | 0.81 | 0.83 | 0.82 | 0.85 | 0.74 |
CC, correlation coefficient.