7ZV7
Crystal structure of SARS Cov-2 main protease in complex with an inhibitor 57
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5RGS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 291 | 0.05 M Ammonium sulfate, 0.1 M Sodium Citrate, 15 % (w/v) PEG8000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.03 | 39.41 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 112.457 | α = 90 |
b = 54.189 | β = 99.49 |
c = 45.701 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS3 2M | 2022-02-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE MASSIF-1 | 0.96546 | ESRF | MASSIF-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
1 | 1.336 | 45.08 | 94.2 | 0.028 | 0.019 | 0.034 | 0.999 | 18 | 3 | 57524 | 17.14 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.336 | 1.359 | 0.465 | 0.572 | 0.328 | 0.804 | 2.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 5rgs | 1.336 | 45.08 | 57471 | 2869 | 93.6 | 0.2021 | 0.2011 | 0.22 | RANDOM | 20.94 |
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] | |
-0.3897 | 1.4179 | -0.0663 | 0.456 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 14.1 |
t_omega_torsion | 4.45 |
t_angle_deg | 1.01 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2279 |
Nucleic Acid Atoms | |
Solvent Atoms | 242 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
BUSTER | refinement |
PDB_EXTRACT | data extraction |
autoPROC | data reduction |
PHASER | phasing |