7D1M
CRYSTAL STRUCTURE OF THE SARS-CoV-2 MAIN PROTEASE COMPLEXED WITH GC376
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3F9F |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.8 | 291 | 10mM Tris, 1mM EDTA, 1mM DTT |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.29 | 46.25 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.45 | α = 90 |
b = 99.02 | β = 108.54 |
c = 59.583 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 EIGER X 16M | 2020-02-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL17U1 | 0.979 | SSRF | BL17U1 |
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) | 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 | 1.35 | 50 | 98.7 | 0.047 | 0.051 | 0.02 | 11.4 | 6.4 | 131802 |
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 | 1.35 | 1.37 | 86.8 | 1.089 | 1.231 | 0.553 | 0.517 | 4.1 |
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 | 3F9F | 1.35 | 49.56 | 108915 | 5649 | 85.89 | 0.1187 | 0.1167 | 0.157 | RANDOM | 21.086 |
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] | |
0.15 | 0.14 | 0.43 | -0.55 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.008 |
r_dihedral_angle_4_deg | 20.757 |
r_dihedral_angle_3_deg | 12.122 |
r_dihedral_angle_1_deg | 7.011 |
r_rigid_bond_restr | 4.786 |
r_angle_refined_deg | 1.561 |
r_angle_other_deg | 1.494 |
r_chiral_restr | 0.086 |
r_bond_refined_d | 0.009 |
r_gen_planes_refined | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4720 |
Nucleic Acid Atoms | |
Solvent Atoms | 684 |
Heterogen Atoms | 74 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data scaling |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHASER | phasing |