8F02
SARS-CoV-2 Main Protease (Mpro) in Complex with ML2006a4
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 289 | Sitting drops consisted of 0.23 uL A:0.23 uL B: A) 5.3 mg/mL Mpro + 0.9 mM ML2006a4 in in 20 mM Tris pH 7.3 + 3 mM TCEP + 3 % DMSO B) 0.1 M BICINE pH 8.5, 8% w/v mPEG 5000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.21 | 44.45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.649 | α = 90 |
b = 63.231 | β = 90 |
c = 103.798 | 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 | 2022-10-29 | 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) | 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 | 37.04 | 97.9 | 0.123 | 0.057 | 0.997 | 5.5 | 4.3 | 20441 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
2 | 2.11 | 99.6 | 2.19 | 1.021 | 0.255 | 4.3 |
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 | 37.04 | 19391 | 1032 | 97.28 | 0.19297 | 0.18974 | 0.25476 | RANDOM | 51.68 |
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] | |
-0.81 | 1.94 | -1.13 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 16.311 |
r_long_range_B_other | 9.513 |
r_long_range_B_refined | 9.511 |
r_dihedral_angle_2_deg | 9.334 |
r_dihedral_angle_1_deg | 7.827 |
r_scangle_other | 7.369 |
r_mcangle_other | 5.741 |
r_mcangle_it | 5.74 |
r_scbond_it | 4.94 |
r_scbond_other | 4.937 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2367 |
Nucleic Acid Atoms | |
Solvent Atoms | 49 |
Heterogen Atoms | 44 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALA | data scaling |
XDS | data reduction |
PHASER | phasing |