7RFR
Structure of SARS-CoV-2 main protease in complex with a covalent inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 6LU7 | PDB entry 6LU7 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 294 | 0.1 M MES, pH 6.0, 20.0% w/v PEG6000, 0.2 M sodium chloride |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.61 | 52.84 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 67.83 | α = 90 |
b = 100.61 | β = 90 |
c = 103.42 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 98 | PIXEL | DECTRIS EIGER X 9M | 2020-06-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 17-ID | 1 | APS | 17-ID |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 1.626 | 72.115 | 65.8 | 0.998 | 12.5 | 6.6 | 59000 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.626 | 1.732 | 0.564 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | PDB entry 6LU7 | 1.626 | 72.11 | 59000 | 3022 | 65.9 | 0.1955 | 0.1937 | 0.2281 | RANDOM | 25.71 |
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] | |
0.0198 | -0.3804 | 0.3606 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_other_torsion | 16.25 |
t_omega_torsion | 3.87 |
t_angle_deg | 0.96 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_gen_planes | |
t_it | |
t_chiral_improper_torsion | |
t_ideal_dist_contact |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4696 |
Nucleic Acid Atoms | |
Solvent Atoms | 542 |
Heterogen Atoms | 86 |
Software
Software | |
---|---|
Software Name | Purpose |
BUSTER | refinement |
XDS | data reduction |
Aimless | data scaling |
BUSTER | phasing |