8INT

Crystal Structure of SARS-CoV-2 Main Protease (Mpro) K90R Mutant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION2930.6%(1% w/v Ampicillin sodium salt, 1% w/v Apramycin sulfate salt, 1% w/v Bacitracin, 1% w/v Dihydrostreptomycin sesquisulfate, 1% w/v Gentamicin sulfate, 1% w/v Spectinomycin dihydrochloride pentahydrate), 0.1M(Tris (base); BICINE)PH8,5, 30%(40% v/v PEG 500* MME; 20 % w/v PEG 20000)
Crystal Properties
Matthews coefficientSolvent content
2.7154.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.118α = 90
b = 81.021β = 114.92
c = 51.486γ = 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
11.6629.4199.60.0440000000000000040.048118.776.942299
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)
11.661.770.80799999999999990.8730.8590000000000001

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 REPLACEMENTNONE1.6629.411.3642267199999.830.20150.20040.2242
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_d6.466
f_angle_d0.893
f_chiral_restr0.052
f_plane_restr0.017
f_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2312
Nucleic Acid Atoms
Solvent Atoms177
Heterogen Atoms

Software

Software
Software NamePurpose
XSCALEdata scaling
PHENIXrefinement
autoPROCdata reduction
PHENIXphasing