7A4N
Cryo-EM structure of a prefusion stabilized SARS-CoV-2 Spike (D614N, R682S, R685G, A892P, A942P and V987P)(S-closed trimer)
EM specimen
| Vitrification | Yes |
| Instrument | FEI VITROBOT MARK IV |
EM Data Collection
| Microscope | FEI TITAN KRIOS |
| Electron Gun | FIELD EMISSION GUN |
| Accelerating Voltage (kV) | 300 |
| Cs (mm) | 2.7 |
| Energy Filter | GIF Quantum LS |
| Detector | GATAN K3 BIOQUANTUM (6k x 4k) |
3D Reconstruction
| Method | SINGLE PARTICLE |
| Resolution (Å) | 2.75 |
| Number of Particle | 1391000 |
| Software | RELION,PHENIX,EPU,CTFFIND,Coot |
| Symmetry | C1 |
| CTF correction | PHASE FLIPPING AND AMPLITUDE CORRECTION |
