The novel asymmetric entry intermediate of a picornavirus captured with nanodiscs
ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1COV | |
| Sample |
|---|
| Human coxsackievirus B3 |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | GATAN CRYOPLUNGE 3 |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Plunged into liquid ethane (GATAN CRYOPLUNGE 3) |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 57203 |
| Reported Resolution (Å) | 3.9 |
| Resolution Method | FSC 0.143 |
| Other Details | (Single particle--Applied symmetry: I) |
| Refinement Type | |
| Symmetry Type | |
| Point Symmetry | I |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (1COV) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | Cross-correlation coefficient | ||||
| Overall B Value | 193 | ||||
| Fitting Procedure | Real-space refinement | ||||
| Details | Initial local fitting was done using Chimera. Phenix was then used for real-space refinement. | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON II (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | |||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 2014-11-21 |
| Temperature (Kelvin) | |
| Microscope Model | FEI POLARA 300 |
| Minimum Defocus (nm) | 1362 |
| Maximum Defocus (nm) | 5875 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | SIDE ENTRY, EUCENTRIC |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| Each particle | ||||
