9ATD

Crystal structure of MERS 3CL protease in complex with a ethylcyclohexyl 2-pyrrolidone inhibitor (S-enantiomer) inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5WKK 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.529125% w/v PEG3350, 100 mM Bis-Tris, pH 5.5, 200 mM ammonium acetate
Crystal Properties
Matthews coefficientSolvent content
1.9737.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.524α = 90
b = 57.657β = 112.04
c = 49.77γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 XE 9M2022-10-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS-II BEAMLINE 19-ID0.9795NSLS-II19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim 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
11.849.1699.90.070.0790.0350.99911.74.824796
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.8599.90.8510.9520.420.684.8

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 REPLACEMENTFREE R-VALUE1.847.051.3524783123299.840.17520.17380.2005
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_d14.703
f_angle_d0.685
f_chiral_restr0.048
f_plane_restr0.005
f_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2282
Nucleic Acid Atoms
Solvent Atoms204
Heterogen Atoms74

Software

Software
Software NamePurpose
PHENIXrefinement
Aimlessdata scaling
XDSdata reduction
PHASERphasing