6YMA
MicroED structure of acetazolamide-bound human carbonic anhydrase II
ELECTRON CRYSTALLOGRAPHY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3HS4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.55 | α = 90 |
b = 41.53 | β = 104.62 |
c = 72.11 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Data Collection
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | Mean Isotropic B | ||||||
ELECTRON CRYSTALLOGRAPHY | MOLECULAR REPLACEMENT | FREE R-VALUE | 3HS4 | 2.5 | 35.69 | 1.33 | 6895 | 357 | 80 | 0.2253 | 0.2237 | 0.255 | 20.65 |
Temperature Factor Modeling | ||||||
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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 | 10.4386 |
f_angle_d | 0.6829 |
f_chiral_restr | 0.0416 |
f_plane_restr | 0.0034 |
f_bond_d | 0.0019 |
Software
Software | |
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Software Name | Purpose |
phenix.refine | refinement |
PHENIX | refinement |
Sample |
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Carbonic anhydrase II |
Specimen Preparation | |
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Sample Aggregation State | 3D ARRAY |
Vitrification Instrument | |
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 | 42.55 |
Length b | 41.52 |
Length c | 41.52 |
Angle Alpha | 90 |
Angle Beta | 104.62 |
Angle Gamma | 90 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (3HS4) | ||||
Refinement Space | RECIPROCAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | OTHER | ||||||||
Electron Dose (electrons/Å**2) | 0.15 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | JEOL 2100 |
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 | LAB6 |
Acceleration Voltage (kV) | 200 |
Imaging Details |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
NONE |