9CIP
MicroED structure of the C11 cysteine protease clostripain
ELECTRON CRYSTALLOGRAPHY
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.79 | α = 90 |
b = 106.07 | β = 90 |
c = 149.28 | γ = 90 |
Symmetry | |
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Space Group | P 2 21 21 |
Data Collection
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
ELECTRON CRYSTALLOGRAPHY | FREE R-VALUE | 2.5 | 49.4 | 31966 | 1589 | 86.54 | 0.2396 | 0.2379 | 0.2726 | 24.69 |
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 | 13.4871 |
f_angle_d | 0.5461 |
f_chiral_restr | 0.0426 |
f_plane_restr | 0.0041 |
f_bond_d | 0.0024 |
Sample |
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Clostripain |
Specimen Preparation | |
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Sample Aggregation State | 3D ARRAY |
Vitrification Instrument | LEICA EM GP |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | CRYSTALLOGRAPHY |
Number of Particles | |
Reported Resolution (Å) | 2.5 |
Resolution Method | DIFFRACTION PATTERN/LAYERLINES |
Other Details | |
Refinement Type | |
Symmetry Type | 3D CRYSTAL |
Space Group Name | |
Length a | 65.79 |
Length b | 106.07 |
Length c | 106.07 |
Angle Alpha | 90 |
Angle Beta | 90 |
Angle Gamma | 90 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | RECIPROCAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | 24.7 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | FEI FALCON IV (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 0.04 |
Imaging Experiment | 1 |
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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 | |
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 |
IMAGE ACQUISITION | EPU | |
MODEL FITTING | PHENIX | 1.21.1_5286 |
MODEL REFINEMENT | PHENIX | 1.21.1_5286 |
MOLECULAR REPLACEMENT | PHENIX | 1.21.1_5287 |
CRYSTALLOGRAPHY MERGING | XSCALE | Jun 30, 2023 |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
NONE |