8AIZ

Mpro of SARS-CoV-2 in complex with the RK-68 inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP82930.002 M zinc chloride, 0.1 M Tris 8.0, 20 % w/v PEG 6000
Crystal Properties
Matthews coefficientSolvent content
1.9637.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.8α = 90
b = 52.8β = 103.08
c = 45.35γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2021-11-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, DESY BEAMLINE P111.0332PETRA 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
11.9947.6798.90.99813.16.817855
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.992.060.916

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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-VALUE6y2e1.99247.6681785589398.750.1810.17840.190.22390.2336.591
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]
-0.0940.0420.0330.038
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.951
r_dihedral_angle_4_deg16.182
r_dihedral_angle_3_deg16.147
r_dihedral_angle_1_deg7.605
r_lrange_other6.761
r_lrange_it6.758
r_scangle_it5.37
r_scangle_other5.368
r_mcangle_other3.626
r_mcangle_it3.624
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2367
Nucleic Acid Atoms
Solvent Atoms68
Heterogen Atoms40

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
MOLREPphasing