7LDX
SARS-CoV-2 Main protease immature form - F2X Entry Library E06 fragment
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7KFI | PDB entry 7KFI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 293 | 0.1 M MES, pH 6.7, 5% DMSO, 8% PEG4000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.62 | 53.03 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.389 | α = 90 |
b = 101.679 | β = 90 |
c = 101.916 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 2M | 2020-09-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS SIRIUS BEAMLINE MANACA | 1.35502 | LNLS SIRIUS | MANACA |
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 | 2.23 | 56.21 | 61.5 | 0.318 | 0.449 | 0.318 | 0.649 | 5.1 | 1.9 | 21562 |
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 | 2.23 | 2.3 | 6.4 | 0.664 | 0.939 | 0.664 | 0.267 | 1.9 |
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 | THROUGHOUT | PDB entry 7KFI | 2.23 | 56.21 | 1.33 | 21510 | 1992 | 61.77 | 0.2446 | 0.2417 | 0.2727 | 29.1637 |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4657 |
Nucleic Acid Atoms | |
Solvent Atoms | 132 |
Heterogen Atoms | 77 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |