6HBG
Echovirus 18 native particle
ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2X5I | |
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 10.274 |
| f_angle_d | 0.736 |
| f_chiral_restr | 0.05 |
| f_plane_restr | 0.007 |
| f_bond_d | 0.004 |
| Sample |
|---|
| Echovirus E18 |
| 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 | 10062 |
| Reported Resolution (Å) | 3.16 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | I |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (2X5I) | ||||
| Refinement Space | RECIPROCAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | R-factors | ||||
| Overall B Value | 82.8 | ||||
| Fitting Procedure | |||||
| Details | Reciprocal space refinement of atom positions and group B-factors | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON II (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 46.8 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 1000 |
| Maximum Defocus (nm) | 3000 |
| 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 | 75000 |
| Calibrated Magnification | 79725 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | Gautomatch | 8.0 |
| IMAGE ACQUISITION | EPU | |
| MODEL FITTING | Coot | 0.8.7 |
| INITIAL EULER ASSIGNMENT | RELION | 2.1 |
| FINAL EULER ASSIGNMENT | RELION | 2.1 |
| CLASSIFICATION | RELION | 2.1 |
| RECONSTRUCTION | RELION | 2.1 |
| MODEL REFINEMENT | PHENIX | 1.14 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING ONLY | 42863 | |||
