8D87
Fitted crystal structure of the homotrimer of fusion glycoprotein E1 from SFV into subtomogram averaged CHIKV E1 glycoprotein density
ELECTRON MICROSCOPY
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 4 | PEG 400, NABR, DETERGENT DDAO, HO3+, VAPOR DIFFUSION, HANGING DROP, PH 4, TEMPERATURE 277.0K | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 5.15 | 76.1 |
Diffraction
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SLS BEAMLINE X06SA | 1.53596, 1.53646, 1.18080 | SLS | X06SA |
| 2 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 | |
| 3 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | ESRF | ID14-1 | |
Data Collection
| Sample |
|---|
| Sub-tomogram averaged map of post-fusion E1 glycoprotein trimer from Chikungunya virus |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | blot for 7-8 seconds |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SUBTOMOGRAM AVERAGING |
| Number of Particles | 590 |
| Reported Resolution (Å) | 27.2 |
| Resolution Method | FSC 0.5 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C3 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (1RER) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 70 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 2500 |
| Maximum Defocus (nm) | 5000 |
| 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 | 53000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| VOLUME SELECTION | PEET | |
| IMAGE ACQUISITION | Leginon | |
| IMAGE ACQUISITION | SerialEM | |
| CTF CORRECTION | CTFPHASEFLIP | |
| MODEL FITTING | UCSF Chimera | |
| RECONSTRUCTION | PEET | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
