8DZA
Crystal Structure of SARS-CoV-2 Main protease A193T mutant in complex with Nirmatrelvir
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7MBG |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 293 | 0.1 M MES, pH 6.7, 5% v/v DMSO, 8% w/v PEG4000, 30% w/v PEG400 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.6 | 52.71 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 67.989 | ¦Á = 90 |
b = 99.979 | ¦Â = 90 |
c = 103.638 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 PILATUS 2M | 2022-04-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS SIRIUS BEAMLINE MANACA | 0.977180 | LNLS SIRIUS | MANACA |
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 | 1.96 | 72.06 | 58.7 | 0.991 | 7.8 | 7.8 | 29962 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.96 | 2.03 | 0.253 |
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 (All) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 7mbg | 1.961 | 72.058 | 29962 | 1458 | 58.32 | 0.203 | 0.2007 | 0.2419 | 34.182 |
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] | |
0.012 | 0.189 | -0.201 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.765 |
r_dihedral_angle_4_deg | 19.574 |
r_dihedral_angle_3_deg | 15.479 |
r_lrange_it | 7.912 |
r_lrange_other | 7.905 |
r_dihedral_angle_1_deg | 7.68 |
r_scangle_it | 4.428 |
r_scangle_other | 4.428 |
r_mcangle_it | 3.458 |
r_mcangle_other | 3.458 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4691 |
Nucleic Acid Atoms | |
Solvent Atoms | 175 |
Heterogen Atoms | 90 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |