Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module)
ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 5IFE | |
| Sample |
|---|
| human SAGA |
| Sample Components |
| human SAGA |
| STAGA complex 65 subunit gamma |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Staining Type | NEGATIVE |
| Staining Material | uranyl formate |
| Staining Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 3157 |
| Reported Resolution (Å) | 19.09 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (5IFE, 5IFE) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN ULTRASCAN 4000 (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 35 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TECNAI 20 |
| Minimum Defocus (nm) | 400 |
| Maximum Defocus (nm) | 3900 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.2 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | SIDE ENTRY, EUCENTRIC |
| Nominal Magnification | 80000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 120 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| IMAGE ACQUISITION | Leginon | |
| CTF CORRECTION | CTFFIND | 4.7.0 |
| MODEL FITTING | Coot | 0.8.9.2 |
| INITIAL EULER ASSIGNMENT | RELION | 3.1 |
| FINAL EULER ASSIGNMENT | RELION | 3.1 |
| CLASSIFICATION | RELION | 3.1 |
| RECONSTRUCTION | RELION | 3.1 |
| MODEL REFINEMENT | PHENIX | 1.18.2-3874 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 45790 | |||
