8C9P

Crystal structure of SARS-CoV-2 Mpro-E166V mutant, free enzyme


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2980.1MBis Tris Propane pH 6.50.2 MPotassium thiocyanate20 % w/vPEG 335010% v/vEthylene glycol
Crystal Properties
Matthews coefficientSolvent content
238.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.594α = 90
b = 53.93β = 101.003
c = 44.754γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2022-08-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, DESY BEAMLINE P111.003PETRA III, DESYP11

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
1248.5598.770.99913.6251788341.61
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.07298.770.93550.577

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE248.551788387298.7790.2160.21260.220.2770.2848.789
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]
2.6360.088-0.462-2.053
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.271
r_dihedral_angle_4_deg18.325
r_dihedral_angle_3_deg17.666
r_lrange_it8.638
r_lrange_other8.638
r_dihedral_angle_1_deg8.335
r_scangle_it6.757
r_scangle_other6.756
r_mcangle_it5.923
r_mcangle_other5.921
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2356
Nucleic Acid Atoms
Solvent Atoms45
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
MOLREPphasing