7RC0
X-ray Structure of SARS-CoV-2 main protease covalently modified by compound GRL-091-20
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7RBZ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 278 | 2.67 mM DTT, 0.33% MPD, 16.7 mM MES pH 6.0, 26.7 mM KCl, 5% PEG-10,000, 16.7 mM HEPES pH 7.5, 0.67% DMSO and 200 uM inhibitor |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.86 | 56.97 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 97.197 | α = 90 |
b = 82.43 | β = 117.206 |
c = 54.283 | 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 | CCD | RAYONIX MX-300 | 2020-07-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
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 | 1.646 | 26.7 | 99.53 | 0.07269 | 0.08167 | 0.03674 | 0.998 | 17.86 | 4.8 | 45865 | 22.09 |
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 | 1.646 | 1.705 | 96.86 | 0.7296 | 0.8192 | 0.3683 | 0.777 | 2.15 | 4.8 |
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 | 7RBZ | 1.65 | 26.7 | 1.35 | 45865 | 2000 | 99.49 | 0.128 | 0.1259 | 0.1741 | 32.52 |
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 | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 20.7596 |
f_angle_d | 1.831 |
f_chiral_restr | 0.0988 |
f_bond_d | 0.0164 |
f_plane_restr | 0.0121 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2358 |
Nucleic Acid Atoms | |
Solvent Atoms | 379 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHENIX | phasing |