8INQ

Crystal Structure of SARS-CoV-2 Main Protease (Mpro) G15S Mutant


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION2931%(2% w/v Cytidine, 2% w/v Inosine, 2% w/v Ribavirin, 2% w/v Thymidine, 2% w/v Uridine), 0.1M(Sodium HEPES; MOPS (acid))PH7.5, 30%(40% v/v PEG 500* MME; 20 % w/v PEG 20000)
Crystal Properties
Matthews coefficientSolvent content
2.7254.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.507α = 90
b = 80.562β = 114.51
c = 51.548γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 X 16M2023-03-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.953740DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
11.7729.4499.50.074000000000000010.080.999000000000000113.66.935266
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.771.880.8790.9510.847

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 REPLACEMENTNONE1.7729.441.3535230199899.680.19570.19410.2208
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_d6.066
f_angle_d0.97
f_chiral_restr0.056
f_plane_restr0.01
f_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2312
Nucleic Acid Atoms
Solvent Atoms162
Heterogen Atoms

Software

Software
Software NamePurpose
XSCALEdata scaling
PHENIXrefinement
autoPROCdata reduction
PHENIXphasing