8K6C
Crystal structure of SARS-CoV-2 3CLpro M49K/S301P mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7EN8 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.6 | 293 | 0.2 M LiSO4, 0.1 M BIS-TRIS, pH 6.6, 17.5% polyethylene glycol 3,350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 48.859 | α = 90 |
b = 107.074 | β = 103.666 |
c = 54.261 | 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 | RIGAKU HyPix-6000HE | 2021-12-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU FR-X | 1.541 |
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 | 2.21 | 29.56 | 99.77 | 0.1172 | 0.1289 | 0.05306 | 0.994 | 16.83 | 5.9 | 27130 | 26.4 |
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 | 2.21 | 2.289 | 100 | 0.3458 | 0.3775 | 0.1502 | 0.914 | 4.56 | 6.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.21 | 29.56 | 1.35 | 27111 | 1482 | 99.81 | 0.2308 | 0.228 | 0.2799 | 33.23 |
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 | 5.8847 |
f_angle_d | 0.5217 |
f_chiral_restr | 0.0409 |
f_plane_restr | 0.0041 |
f_bond_d | 0.0022 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4740 |
Nucleic Acid Atoms | |
Solvent Atoms | 101 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CrysalisPro | data collection |
PHENIX | refinement |
CrysalisPro | data reduction |
CrysalisPro | data scaling |
PHENIX | phasing |