7KRQ
Structural impact on SARS-CoV-2 spike protein by D614G substitution
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 6XR8 |
Refinement
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.522 |
f_angle_d | 1.762 |
f_chiral_restr | 0.114 |
f_bond_d | 0.013 |
f_plane_restr | 0.012 |
Sample |
---|
closed state of pre-fusion SARS-CoV-2 D614G mutant spike glycoprotein |
Specimen Preparation | |
---|---|
Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
---|---|
Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 93426 |
Reported Resolution (Å) | 3.4 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (6XR8) | ||||
Refinement Space | |||||
Refinement Protocol | AB INITIO MODEL | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 54.3 |
Imaging Experiment | 1 |
---|---|
Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | |
Maximum Defocus (nm) | |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
MODEL FITTING | Coot | |
MODEL REFINEMENT | PHENIX | |
CLASSIFICATION | RELION | |
RECONSTRUCTION | RELION |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |