7YGQ

Crystal structure of SARS main protease in complex with inhibitor YH-53


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2930.1M Hepes pH7.5, 10% PEG8000, 8% Ethylene glycol
Crystal Properties
Matthews coefficientSolvent content
3.1661.13

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.056α = 91.201
b = 60.592β = 102.721
c = 68.303γ = 108.432
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 9M2022-03-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL02U10.97918SSRFBL02U1

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
12.0431.496.40.0289.33.55017537.4931524431
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)
12.042.150.316

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTFREE R-VALUE7DQZ2.0431.41.982681265950149383192.31922788530.2065820265390.2053877169450.23495621902346.8257589271
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_d5.4162299973
f_angle_d1.03390769682
f_chiral_restr0.0587759234675
f_bond_d0.00707489404707
f_plane_restr0.00573128124077
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4395
Nucleic Acid Atoms
Solvent Atoms50
Heterogen Atoms82

Software

Software
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
autoPROCdata reduction
autoPROCdata scaling
PHENIXphasing