ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 8.0498 |
| f_angle_d | 0.9721 |
| f_chiral_restr | 0.0587 |
| f_plane_restr | 0.0068 |
| f_bond_d | 0.0067 |
| Sample |
|---|
| Human Coronavirus HKU1 Haemagglutinin-Esterase |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Blot force = 1 Blot time = 5.5 seconds |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 119717 |
| Reported Resolution (Å) | 3.39 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C2 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | Correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | A homology model of HCOV-HKU1 HE (uniprot ID: Q5MQD1) was generated using the phyre2 server | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | OTHER | ||||||||
| Electron Dose (electrons/Å**2) | 40 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | TFS KRIOS |
| Minimum Defocus (nm) | -1000 |
| Maximum Defocus (nm) | -2500 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | 96000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details | Titan Krios G4 was used with fringe-free imaging and aberration-free image shift. |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | RELION | 3.0.1 |
| IMAGE ACQUISITION | EPU | 2.5 |
| CTF CORRECTION | Gctf | 1.18 |
| MODEL FITTING | UCSF Chimera | 1.12 |
| INITIAL EULER ASSIGNMENT | RELION | 3.1 |
| FINAL EULER ASSIGNMENT | RELION | 3.1 |
| CLASSIFICATION | RELION | 3.0.1 |
| RECONSTRUCTION | RELION | 3.1 |
| MODEL REFINEMENT | PHENIX | 1.13 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 936260 | Relion autopicking | ||
