7XU5
Structure of SARS-CoV-2 D614G Spike Protein with Engineered x3 Disulfide (x3(D427C, V987C) and single Arg S1/S2 cleavage site), Closed 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) | 3.1 | 
| Number of Particle | 2723632 | 
| Software | RELION,CTFFIND,PHENIX | 
| Symmetry | C3 | 
| CTF correction | PHASE FLIPPING AND AMPLITUDE CORRECTION | 











