7XU6
Structure of SARS-CoV-2 Spike Protein with Engineered x3 Disulfide (x3(D427C, V987C) and single Arg S1/S2 cleavage site), incubated in Low pH after 40-Day Storage in PBS, Locked-2 Conformation
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) | 2.9 |
| Number of Particle | 1505895 |
| Software | RELION,CTFFIND |
| Symmetry | C3 |
| CTF correction | PHASE FLIPPING AND AMPLITUDE CORRECTION |
