3K1Q
Backbone model of an aquareovirus virion by cryo-electron microscopy and bioinformatics
ELECTRON MICROSCOPY
| Sample |
|---|
| Aqaurevirus: Grass carp reovirus (GCRV) |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Manual pluger freshing into liquid ethane |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 15000 |
| Reported Resolution (Å) | 4.5 |
| Resolution Method | |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | I |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | |||||
| Refinement Protocol | |||||
| Refinement Target | |||||
| Overall B Value | 100 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GENERIC CCD | ||||||||
| Electron Dose (electrons/Å**2) | 20 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | 77 |
| Microscope Model | FEI POLARA 300 |
| Minimum Defocus (nm) | 800 |
| Maximum Defocus (nm) | 2300 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | 154380 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details | The electron beam is carefully monitored to ensure that the beam is just slightly larger than the CCD. See above |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| Fully corrected. See Zhou et al., 1999, J. Virol. 73, 3210-3218 | ||||
