6EHM
Model of the Ebola virus nucleocapsid subunit from recombinant virus-like particles
ELECTRON MICROSCOPY
| Sample |
|---|
| Ebola virus - Mayinga, Zaire, 1976 |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | HELICAL ARRAY |
| Vitrification Instrument | FEI VITROBOT MARK II |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SUBTOMOGRAM AVERAGING |
| Number of Particles | 1 |
| Reported Resolution (Å) | 7.3 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | Local resolution was estimated using moving window FSC calculations. Resolution varies from 7.3 to 15.2 Angstroms. |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | |||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | Nucleoprotein model from Ebola virus nucleoprotein 1-450 was first rigid body fitted into the inner nucleoprotein densities. Densities were then subtr ... | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 QUANTUM (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 3.4 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 2000 |
| Maximum Defocus (nm) | 4500 |
| 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 | 81000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| VOLUME SELECTION | Amira | 4 |
| VOLUME SELECTION | TOM Toolbox | |
| IMAGE ACQUISITION | SerialEM | |
| CTF CORRECTION | CTFFIND | 4 |
| CTF CORRECTION | CTFPHASEFLIP | |
| MODEL FITTING | UCSF Chimera | |
| FINAL EULER ASSIGNMENT | AV3 | |
| RECONSTRUCTION | AV3 | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING ONLY | CTF amplitude correction was performed during the wedge-weighted subtomogram averaging step. | |||
