7XRY

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


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2930.2M Sodium formate, 0.1M BICINE pH8.5 20% PEG5000
Crystal Properties
Matthews coefficientSolvent content
2.9257.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.016α = 90
b = 93.8β = 90
c = 102.156γ = 90
Symmetry
Space GroupP 21 21 21

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
11.9944.8699.90.062119.75363327.3489656876
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)
11.992.090.926

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-VALUE7VTC1.9944.861.3436011277253545273699.80986821260.2251033546670.2235886755130.25347079139528.9946313228
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_d3.74669785705
f_angle_d0.921115767239
f_chiral_restr0.0628141132462
f_bond_d0.00735597301151
f_plane_restr0.00634052510193
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4488
Nucleic Acid Atoms
Solvent Atoms203
Heterogen Atoms82

Software

Software
Software NamePurpose
PHENIXrefinement
autoPROCdata reduction
autoPROCdata scaling
PHENIXphasing