Crystal structure of SARS-CoV-2 main protease A173V mutant in complex with leritrelvir


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7VH8 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP28920% v/v Tacsimate pH 7.0, 0.1 M HEPES pH 7.5, 2% v/v Polyethylene glycol 200. Protein concentration 8 mg/ml.
Crystal Properties
Matthews coefficientSolvent content
238.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.17α = 90
b = 105.998β = 103.031
c = 54.449γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2024-09-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL19U10.97923SSRFBL19U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.6510698.30.0680.99410.56.162740
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.651.680.710.7862.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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-VALUE1.6553.04762647307698.1040.1950.19310.20160.23840.239723.032
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]
-0.4711.027-0.20.177
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg20.833
r_dihedral_angle_6_deg14.378
r_dihedral_angle_3_deg11.675
r_dihedral_angle_1_deg7.394
r_lrange_it5.68
r_lrange_other5.628
r_scangle_it4.145
r_scangle_other4.145
r_dihedral_angle_other_3_deg3.42
r_mcangle_it3.028
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg20.833
r_dihedral_angle_6_deg14.378
r_dihedral_angle_3_deg11.675
r_dihedral_angle_1_deg7.394
r_lrange_it5.68
r_lrange_other5.628
r_scangle_it4.145
r_scangle_other4.145
r_dihedral_angle_other_3_deg3.42
r_mcangle_it3.028
r_mcangle_other3.028
r_scbond_it2.778
r_scbond_other2.777
r_mcbond_it2.058
r_mcbond_other2.056
r_angle_refined_deg1.744
r_angle_other_deg0.59
r_nbd_refined0.214
r_symmetry_nbd_other0.198
r_nbtor_refined0.186
r_nbd_other0.171
r_xyhbond_nbd_refined0.145
r_symmetry_nbd_refined0.129
r_symmetry_nbtor_other0.087
r_chiral_restr0.085
r_symmetry_xyhbond_nbd_refined0.083
r_symmetry_xyhbond_nbd_other0.064
r_gen_planes_refined0.009
r_bond_refined_d0.008
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4707
Nucleic Acid Atoms
Solvent Atoms363
Heterogen Atoms90

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing