6XM4
Structure of SARS-CoV-2 spike at pH 5.5, single RBD up, conformation 2
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 Bioquantum |
| Detector | GATAN K3 BIOQUANTUM (6k x 4k) |
3D Reconstruction
| Method | SINGLE PARTICLE |
| Resolution (Å) | 2.9 |
| Number of Particle | 2113090 |
| Software | PHENIX,RELION,Latitude,CTFFIND,UCSF Chimera,Coot |
| Symmetry | C1 |
| CTF correction | PHASE FLIPPING AND AMPLITUDE CORRECTION |
