8EUM
MicroED structure of an Aeropyrum pernix protoglobin mutant
ELECTRON CRYSTALLOGRAPHY
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 46.235 | α = 104.09 |
b = 58.269 | β = 98.58 |
c = 80.734 | γ = 90.11 |
Symmetry | |
---|---|
Space Group | P 1 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
ELECTRON CRYSTALLOGRAPHY | FREE R-VALUE | 2.1 | 24.46 | 1.96 | 33786 | 1715 | 71.78 | 0.1896 | 0.1884 | 0.2119 | 0.05 |
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 | 12.353 |
f_angle_d | 1.559 |
f_chiral_restr | 0.067 |
f_bond_d | 0.014 |
f_plane_restr | 0.012 |
Software
Software | |
---|---|
Software Name | Purpose |
PHENIX | refinement |
Sample |
---|
Homotetramer of Aeropyrum pernix protoglobin (ApePgb) C45G, W59L, Y60V, V63R, C102S, F145Q, I149L mutant |
Specimen Preparation | |
---|---|
Sample Aggregation State | 3D ARRAY |
Vitrification Instrument | LEICA EM GP |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
---|---|
Reconstruction Method | CRYSTALLOGRAPHY |
Number of Particles | |
Reported Resolution (Å) | 2.1 |
Resolution Method | DIFFRACTION PATTERN/LAYERLINES |
Other Details | |
Refinement Type | |
Symmetry Type | 3D CRYSTAL |
Space Group Name | |
Length a | 46.2 |
Length b | 58.3 |
Length c | 58.3 |
Angle Alpha | 90.1 |
Angle Beta | 98.6 |
Angle Gamma | 90.1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | RECIPROCAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | maximum likelihood | ||||
Overall B Value | 26.51 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | FEI FALCON IV (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 0.00025 |
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 |
RECONSTRUCTION | PHENIX | 1.20.1-4487-000 |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
NONE |