Atomic structure of a non-enveloped virus reveals pH sensors for a coordinated process of cell entry
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 20.314 |
| f_angle_d | 1.967 |
| f_chiral_restr | 0.079 |
| f_bond_d | 0.027 |
| f_plane_restr | 0.009 |
| Sample |
|---|
| Bluetongue Virus 1 |
| Sample Components |
| VP2 of Bluetongue Virus |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Plunged into liquid ethane (FEI VITROBOT MARK IV). |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 5008 |
| Reported Resolution (Å) | 3.3 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | I |
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 20 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 2013-11-29 |
| Temperature (Kelvin) | 82 |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 700 |
| Maximum Defocus (nm) | 3300 |
| 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 | 14000 |
| Calibrated Magnification | 24140 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| RECONSTRUCTION | FREALIGN | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| each particle | ||||
