7O37
Murine supercomplex CIII2CIV in the assembled locked conformation
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 7.8933 |
| f_angle_d | 0.9905 |
| f_chiral_restr | 0.0574 |
| f_plane_restr | 0.0075 |
| f_bond_d | 0.0054 |
| Sample |
|---|
| Murine full supercomplex CIII2CIV in the locked conformation |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 14851 |
| Reported Resolution (Å) | 3.2 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | for CIV refinement, the particles were pooled with the assembly intermediate of CIII (23277 particles) |
| Refinement Type | |
| Symmetry Type | POINT |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (1NTZ, 3L75, 5IY5, 5Z62) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | OTHER | ||||
| Refinement Target | MAXIMAL LIKELYHOOD | ||||
| Overall B Value | 70 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON III (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 90.66 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 400 |
| Maximum Defocus (nm) | 1600 |
| 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 | 75000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| IMAGE ACQUISITION | EPU | |
| MODEL FITTING | Coot | |
| PARTICLE SELECTION | RELION | 3.1 |
| PARTICLE SELECTION | Topaz | |
| CTF CORRECTION | Gctf | |
| CTF CORRECTION | CTFFIND | |
| CTF CORRECTION | RELION | 3.1 |
| INITIAL EULER ASSIGNMENT | RELION | 3.1 |
| FINAL EULER ASSIGNMENT | RELION | 3.1 |
| CLASSIFICATION | RELION | 3.1 |
| RECONSTRUCTION | cryoSPARC | |
| RECONSTRUCTION | RELION | 3.1 |
| MODEL REFINEMENT | PHENIX | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 1500000 | multiple rounds of picking and classification performed, first with Relion LoG and then with Topaz, to extract the best particles from the non-pure starting material | ||
