ELECTRON MICROSCOPY
| Sample |
|---|
| HUMAN TFIID-TFIIA COMPLEX BOUND TO SUPER CORE PROMOTER DNA |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | LIQUID ETHANE |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 22050 |
| Reported Resolution (Å) | 8.5 |
| Resolution Method | |
| Other Details | SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3305. (DEPOSITION ID: 14001). |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | |||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 46 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 2014-08-11 |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN |
| Minimum Defocus (nm) | 2000 |
| Maximum Defocus (nm) | 4000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | |
| Calibrated Magnification | 37879 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details | THE CAMERA WAS OPERATED IN COUNTING MODE WITH A DOSE RATE OF 8 ELECTRONS PER PIXEL PER SECOND, WITH A TOTAL EXPOSURE TIME OF 10 SECONDS FRACTIONATED OVER 20 FRAMES. |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| CTF CORRECTION | CTFFIND | 4 |
| MODEL FITTING | UCSF Chimera | |
| RECONSTRUCTION | Bsoft | |
| RECONSTRUCTION | RELION | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| EACH PARTICLE | ||||
