Electron crystallographic structure of TIA-1 prion-like domain, wild type sequence
ELECTRON CRYSTALLOGRAPHY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 7VI4 | |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 43.57 | α = 90 |
| b = 43.57 | β = 90 |
| c = 9.63 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 65 |
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||
| ELECTRON CRYSTALLOGRAPHY | MOLECULAR REPLACEMENT | THROUGHOUT | 7VI4 | 1.761 | 18.866 | 1.42 | 1149 | 114 | 99.91 | 0.2839 | 0.2772 | 0.2842 | 0.3473 | 0.3584 | 12.1368 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 9.935 |
| f_angle_d | 1.072 |
| f_chiral_restr | 0.08 |
| f_bond_d | 0.009 |
| f_plane_restr | 0.005 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XSCALE | data scaling |
| PDB_EXTRACT | data extraction |
| Sample |
|---|
| Region 2 peptides (G377-Q386) of TIA-1 prion-like domain, wild-type |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | FILAMENT |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | CRYSTALLOGRAPHY |
| Number of Particles | |
| Reported Resolution (Å) | |
| Resolution Method | DIFFRACTION PATTERN/LAYERLINES |
| Other Details | |
| Refinement Type | |
| Symmetry Type | 3D CRYSTAL |
| Space Group Name | |
| Length a | 43.57 |
| Length b | 43.57 |
| Length c | 43.57 |
| Angle Alpha | 120 |
| Angle Beta | 90 |
| Angle Gamma | 120 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | |||||
| Refinement Protocol | |||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | DIRECT ELECTRON DE-64 (8k x 8k) | ||||||||
| Electron Dose (electrons/Å**2) | 0.02 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | JEOL CRYO ARM 300 |
| Minimum Defocus (nm) | |
| Maximum Defocus (nm) | |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | DIFFRACTION |
| Specimen Holder Model | |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| MODEL REFINEMENT | PHENIX | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| NONE | ||||














