8FY6
SARS-CoV-2 main protease in complex with covalent inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7RFS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277.15 | 0.1M MIB pH 6.5, 13%(w/v) PEG 1500, 10% (v/v) MPD |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.17 | 43.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.455 | α = 90 |
b = 63.276 | β = 90 |
c = 103.843 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER X 16M | 2022-06-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 1.0332 | APS | 23-ID-B |
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 | 2 | 41.64 | 93.8 | 0.232 | 0.241 | 0.066 | 0.997 | 5.3 | 13.1 | 20994 | 34.99 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2 | 2.07 | 97.8 | 1.076 | 1.076 | 0.307 | 0.627 | 1 |
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 | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 7rfs | 2 | 41.64 | 1.33 | 20687 | 991 | 98.85 | 0.189 | 0.1874 | 0.2217 | 40.87 |
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 | 13.5506 |
f_angle_d | 0.5975 |
f_chiral_restr | 0.043 |
f_plane_restr | 0.0037 |
f_bond_d | 0.0032 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2358 |
Nucleic Acid Atoms | |
Solvent Atoms | 150 |
Heterogen Atoms | 35 |
Software
Software | |
---|---|
Software Name | Purpose |
PHENIX | refinement |
PHENIX | phasing |
Coot | model building |
xia2 | data scaling |
xia2 | data reduction |
JBluIce-EPICS | data collection |