7RFR

Structure of SARS-CoV-2 main protease in complex with a covalent inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6LU7PDB entry 6LU7

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION2940.1 M MES, pH 6.0, 20.0% w/v PEG6000, 0.2 M sodium chloride
Crystal Properties
Matthews coefficientSolvent content
2.6152.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.83α = 90
b = 100.61β = 90
c = 103.42γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray98PIXELDECTRIS EIGER X 9M2020-06-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-ID1APS17-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.62672.11565.80.99812.56.659000
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.6261.7320.564

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 6LU71.62672.1159000302265.90.19550.19370.2281RANDOM25.71
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]
0.0198-0.38040.3606
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion16.25
t_omega_torsion3.87
t_angle_deg0.96
t_bond_d0.008
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 AtomsNumber
Protein Atoms4696
Nucleic Acid Atoms
Solvent Atoms542
Heterogen Atoms86

Software

Software
Software NamePurpose
BUSTERrefinement
XDSdata reduction
Aimlessdata scaling
BUSTERphasing