8FD5
Nucleocapsid monomer structure from SARS-CoV-2
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 46.831 |
| f_angle_d | 1.107 |
| f_chiral_restr | 0.057 |
| f_plane_restr | 0.008 |
| f_bond_d | 0.006 |
| Sample |
|---|
| A chain contains the full-length N protein |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK III |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | A Mark III Vitrobot was used to plunge samples into liquid ethane, operating at room temperature and 100% humidity with 3 - 4 seconds blot time |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 20000 |
| Reported Resolution (Å) | 4.57 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | 100 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | DIRECT ELECTRON DE-12 (4k x 3k) | ||||||||
| Electron Dose (electrons/Å**2) | 60 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | TFS TALOS F200C |
| Minimum Defocus (nm) | 1000 |
| Maximum Defocus (nm) | 5000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER |
| Nominal Magnification | 45000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | RELION | |
| IMAGE ACQUISITION | SerialEM | |
| CTF CORRECTION | RELION | |
| MODEL FITTING | PHENIX | |
| INITIAL EULER ASSIGNMENT | RELION | |
| FINAL EULER ASSIGNMENT | RELION | |
| CLASSIFICATION | RELION | |
| RECONSTRUCTION | RELION | |
| MODEL REFINEMENT | ISOLDE | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING ONLY | 20000 | |||
