8DFN

Crystal Structure of SARS-CoV-2 Main Protease (Mpro) H164N Mutant


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7LYH 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293.1525 % PEG 3350 , 0.1M Potassium/Sodium Tartrate, 0.0005 M Magnesium Chloride
Crystal Properties
Matthews coefficientSolvent content
238.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.668α = 90
b = 53.738β = 100.81
c = 114.781γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2022-06-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

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
12.045098.60.08716.755.233845
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)
12.042.080.533

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT7LYH2.0443.7932015177998.110.1940.19090.2508RANDOM31.684
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]
-0.37-1.030.40.34
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.976
r_dihedral_angle_4_deg14.61
r_dihedral_angle_3_deg12.736
r_dihedral_angle_1_deg7.454
r_angle_refined_deg1.263
r_angle_other_deg1.206
r_chiral_restr0.053
r_bond_refined_d0.004
r_gen_planes_refined0.004
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.976
r_dihedral_angle_4_deg14.61
r_dihedral_angle_3_deg12.736
r_dihedral_angle_1_deg7.454
r_angle_refined_deg1.263
r_angle_other_deg1.206
r_chiral_restr0.053
r_bond_refined_d0.004
r_gen_planes_refined0.004
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4703
Nucleic Acid Atoms
Solvent Atoms304
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing