5A6U
Native mammalian ribosome-bound Sec61 protein-conducting channel in the 'non-inserting' state
ELECTRON MICROSCOPY
| Sample |
|---|
| ER-DERIVED MICROSOMES |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE-PROPANE |
| Sample Vitrification Details | VITRIFICATION 1 -- CRYOGEN- ETHANE-PROPANE MIXTURE, HUMIDITY- 70, INSTRUMENT- FEI VITROBOT MARK IV, METHOD- BLOT 3 SECONDS BEFORE PLUNGING., |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | TOMOGRAPHY |
| Number of Particles | 17653 |
| Reported Resolution (Å) | 9 |
| Resolution Method | |
| Other Details | WEIGHTED BACKPROJECTION AND CONSTRAINED SUBTOMOGRAM AVERAGING SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3068. (DEPOSITION ID: 13544). |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (3J7Q) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | PSEUDO-ENERGY | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | METHOD--FLEXIBLE REFINEMENT PROTOCOL--CRYO-EM | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 30 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 2014-06-18 |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 3000 |
| Maximum Defocus (nm) | 4000 |
| Minimum Tilt Angle (degrees) | -20 |
| Maximum Tilt Angle (degrees) | 20 |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| MODEL FITTING | MDFF | |
| RECONSTRUCTION | AV3 | |
| RECONSTRUCTION | PyTom | |
| RECONSTRUCTION | TOM Toolbox | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| EACH TILT IMAGE | ||||
