Table 2. Data-collection parameters and statistics for the apoferritin data set.
| Data collection | |
| Electron microscope | CRYO ARM 300 |
| Electron detector | K3, CDS mode |
| Voltage (kV) | 300 |
| Nominal magnification | 60000 |
| Exposure time (s) | 3.37 |
| Defocus range (µm) | 0.3-1.5 |
| No. of exposures per stage position | 25 |
| No. of frames | 59 |
| Pixel size (Å) | 0.753 |
| Electron dose (e− Å−2) | 60 |
| No. of collected images | 3125 |
| 3D reconstruction | |
| Final particles | 702667 |
| Applied symmetry | O |
| Resolution (Å) | 1.71 |
| Sharpening B factor (Å2) | −51 |
| Rosenthal–Henderson B factor (Å2) | 68 |