8DPR
Crystal structure of SARS-CoV-2 main protease in complex with inhibitor TKB-248
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7JKV | PDB entry 7JKV |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 298 | 0.1 M MES, pH 5.8, 15% PEG6000, 3% DMSO |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.08 | 40.97 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 115.403 | ¦Á = 90 |
b = 53.926 | ¦Â = 101.63 |
c = 45.678 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | 2021-10-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 1 | SPring-8 | BL41XU |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 56.52 | 99.9 | 0.997 | 9.16 | 8.6 | 18600 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2 | 2.04 | 0.672 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | PDB entry 7JKV | 2 | 56.52 | 17665 | 934 | 99.86 | 0.19252 | 0.1897 | 0.24722 | RANDOM | 42.805 |
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] | |
1.87 | -0.53 | -0.01 | -1.52 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 16.957 |
r_long_range_B_refined | 8.234 |
r_long_range_B_other | 8.233 |
r_dihedral_angle_1_deg | 8.109 |
r_dihedral_angle_2_deg | 7.639 |
r_scangle_other | 6.286 |
r_mcangle_it | 4.973 |
r_mcangle_other | 4.972 |
r_scbond_it | 4.384 |
r_scbond_other | 4.383 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2337 |
Nucleic Acid Atoms | |
Solvent Atoms | 11 |
Heterogen Atoms | 50 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Coot | model building |
MOLREP | phasing |
xia2 | data reduction |
DIALS | data scaling |