7UUP
SARS-CoV-2 Main Protease S144A (Mpro S144A) in Complex with Nirmatrelvir (PF-07321332)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 289.15 | Sitting drops consisted of 0.19 uL A:0.19 uL B: A) 5.1 mg/mL Mpro S144A + 0.9 mM ML1001 in in 20 mM Tris pH 7.3 + 3 mM TCEP + 3 % DMSO B) 0.1 M MES pH 6.5, 10% PEG20000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.59 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.451 | α = 90 |
b = 63.962 | β = 90 |
c = 105.16 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
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 6M | Flat Si Rh coated M0, Kirkpatrick-Baez flat bent Si M1 & M2 | 2022-03-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL12-2 | 0.97946 | SSRL | BL12-2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2 | 105.16 | 99.2 | 0.095 | 0.112 | 0.057 | 7.8 | 3.6 | 21186 | 21186 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2 | 2.11 | 99.3 | 1.223 | 1.223 | 1.427 | 0.724 | 0.6 | 3.7 |
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 | 6LZE | 2 | 35.08 | 20110 | 1056 | 98.8 | 0.1938 | 0.1914 | 0.2372 | RANDOM | 39.098 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-2.08 | 1.41 | 0.67 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.068 |
r_dihedral_angle_4_deg | 16.989 |
r_dihedral_angle_3_deg | 14.258 |
r_dihedral_angle_1_deg | 8.046 |
r_angle_refined_deg | 1.488 |
r_angle_other_deg | 1.309 |
r_chiral_restr | 0.212 |
r_bond_refined_d | 0.007 |
r_gen_planes_refined | 0.007 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2357 |
Nucleic Acid Atoms | |
Solvent Atoms | 87 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
SCALA | data scaling |
PHASER | phasing |
PDB_EXTRACT | data extraction |