7JQ0

Structure of the SARS-CoV-2 main protease in complex with inhibitor MPI3


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6Y2E 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP82980.2 M Ammonium phosphate dibasic, 17% w/v PEG3350, pH 8.0, with a protein concentration of 14 mg/ml
Crystal Properties
Matthews coefficientSolvent content
2.0238.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 114.39α = 90
b = 53.5β = 101.68
c = 45.55γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120PIXELDECTRIS PILATUS3 6M2020-07-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.21.0ALS5.0.2

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
11.6556.0196.60.9968.93.931321
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)
11.651.680.483

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT6Y2E1.6548.281.3431223153895.870.19820.19670.227132.4721
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d22.886
f_angle_d1.194
f_chiral_restr0.068
f_bond_d0.009
f_plane_restr0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2369
Nucleic Acid Atoms
Solvent Atoms207
Heterogen Atoms36

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
iMOSFLMdata reduction
pointlessdata scaling
PHENIXphasing