8E4W
Crystal Structure of SARS CoV-2 Mpro mutant N142P with Pfizer Intravenous Inhibitor PF-00835231
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 5.5 | 293 | 10-20% (w/v) PEG 3350, 0.20-0.30 M NaCl, and 0.1 M Bis-Tris methane pH 5.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.24 | 45.02 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.057 | α = 90 |
b = 98.169 | β = 107.8 |
c = 58.791 | 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 | 2022-07-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54178 |
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 | 2.75 | 24.31 | 99.79 | 0.1813 | 0.2027 | 0.08971 | 0.977 | 8.06 | 5.1 | 15527 | 26.46 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.75 | 2.848 | 100 | 0.6675 | 0.7629 | 0.3664 | 0.706 | 2.1 | 4.3 |
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 | 7L0D | 2.75 | 24.31 | 1.35 | 15523 | 774 | 99.97 | 0.1906 | 0.1879 | 0.241 | 25.89 |
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 | 16.1719 |
f_angle_d | 0.7398 |
f_chiral_restr | 0.0586 |
f_plane_restr | 0.0051 |
f_bond_d | 0.0047 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4604 |
Nucleic Acid Atoms | |
Solvent Atoms | 227 |
Heterogen Atoms | 68 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
CrysalisPro | data reduction |
CrysalisPro | data scaling |
PHASER | phasing |