7FAY
Crystal structure of SARS-CoV-2 main protease in complex with (R)-1a
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7C7P |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 291 | 0.2 M ammonium acetate, 0.1 M HEPES pH 7.5, 25% w/v PEG3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.99 | 38.33 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 114.474 | α = 90 |
b = 53.472 | β = 102.35 |
c = 45.132 | 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 6M | 2021-05-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL19U1 | 0.978516 | SSRF | BL19U1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2.1 | 19.59 | 99.6 | 0.076 | 0.039 | 0.997 | 11.9 | 4.7 | 15635 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.1 | 2.16 | 0.647 | 0.336 | 0.778 | 2.2 |
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 | 7C7P | 2.1 | 19.59 | 15634 | 705 | 99.6 | 0.1947 | 0.1929 | 0.2336 | RANDOM | 39.55 |
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] | |
-2.0599 | -8.5139 | 2.7966 | -0.7367 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 16.36 |
t_omega_torsion | 3.44 |
t_angle_deg | 0.99 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_gen_planes | |
t_it | |
t_chiral_improper_torsion | |
t_ideal_dist_contact |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2329 |
Nucleic Acid Atoms | |
Solvent Atoms | 189 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
PHENIX | phasing |
Aimless | data scaling |
XDS | data reduction |