8IFT

SARS-CoV-2 3CL protease (3CLpro) in complex with compound 10


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6M2N 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293100 mM MES, pH 5.5-6.5, 10%-25% PEG6000, 3% DMSO
Crystal Properties
Matthews coefficientSolvent content
2.2545.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.571α = 90
b = 63.153β = 90
c = 105.683γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2021-07-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL19U10.979SSRFBL19U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.8501000.9823.36.929166
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.831001.2166.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTFREE R-VALUE1.831.581.3529110147699.780.1820.18070.2054
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_d13.16
f_angle_d0.981
f_chiral_restr0.06
f_bond_d0.009
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2320
Nucleic Acid Atoms
Solvent Atoms215
Heterogen Atoms36

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data scaling
PHASERphasing
HKL-2000data reduction