ELECTRON CRYSTALLOGRAPHY
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 67.05 | α = 90 | 
| b = 67.05 | β = 90 | 
| c = 107.02 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 43 21 2 | 
Data Collection
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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-Free (Depositor) | Mean Isotropic B | |||||||
| ELECTRON CRYSTALLOGRAPHY | FREE R-VALUE | 1.45 | 19.96 | 1.34 | 43396 | 2167 | 98.66 | 0.1406 | 0.1387 | 0.177 | 15.14 | ||||||||
| 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 | 5.6455 | 
| f_angle_d | 0.8737 | 
| f_chiral_restr | 0.0772 | 
| f_bond_d | 0.0092 | 
| f_plane_restr | 0.0066 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2031 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 294 | 
| Heterogen Atoms | 10 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| phenix.refine | refinement | 
| PHENIX | refinement | 
| Sample | 
|---|
| Proteinase K | 
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | 3D ARRAY | 
| Vitrification Instrument | LEICA PLUNGER | 
| Cryogen Name | ETHANE | 
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | CRYSTALLOGRAPHY | 
| Number of Particles | |
| Reported Resolution (Å) | 1.45 | 
| Resolution Method | DIFFRACTION PATTERN/LAYERLINES | 
| Other Details | |
| Refinement Type | |
| Symmetry Type | 3D CRYSTAL | 
| Space Group Name | |
| Length a | 67.05 | 
| Length b | 67.05 | 
| Length c | 67.05 | 
| Angle Alpha | 90 | 
| Angle Beta | 90 | 
| Angle Gamma | 90 | 
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | RECIPROCAL | ||||
| Refinement Protocol | AB INITIO MODEL | ||||
| Refinement Target | Maximum likelihood | ||||
| Overall B Value | 12.65 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON IV (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 0.001 | ||||||||
| Imaging Experiment | 1 | 
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS | 
| Minimum Defocus (nm) | |
| Maximum Defocus (nm) | |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 | 
| Imaging Mode | DIFFRACTION | 
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER | 
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN | 
| Acceleration Voltage (kV) | 300 | 
| Imaging Details | 
| EM Software | ||
|---|---|---|
| Task | Software Package | Version | 
| CRYSTALLOGRAPHY MERGING | AIMLESS | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| NONE | ||||














