Crystal structure of SARS-CoV-2 main protease M49I 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 DROP2892% v/v TacsimateTM pH 6.0, 0.1 M BIS-TRIS pH 6.5, 20% w/v Polyethylene glycol 3,350
Crystal Properties
Matthews coefficientSolvent content
2.0640.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.465α = 90
b = 106.412β = 103.116
c = 54.07γ = 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
11.8753.2191.90.0940.99812.86.640429
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)
11.871.910.9520.6912.2

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-VALUE1.8752.71540403200591.7560.1770.17440.18240.21490.219933.658
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]
1.0681.871-1.468-0.426
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg16.425
r_dihedral_angle_6_deg14.256
r_dihedral_angle_3_deg12.687
r_lrange_it7.414
r_lrange_other7.403
r_dihedral_angle_1_deg7.112
r_scangle_it5.512
r_scangle_other5.512
r_mcangle_other4.029
r_mcangle_it4.028
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg16.425
r_dihedral_angle_6_deg14.256
r_dihedral_angle_3_deg12.687
r_lrange_it7.414
r_lrange_other7.403
r_dihedral_angle_1_deg7.112
r_scangle_it5.512
r_scangle_other5.512
r_mcangle_other4.029
r_mcangle_it4.028
r_scbond_it3.577
r_scbond_other3.576
r_mcbond_it2.775
r_mcbond_other2.769
r_angle_refined_deg1.523
r_dihedral_angle_other_3_deg1.488
r_angle_other_deg0.518
r_symmetry_xyhbond_nbd_other0.227
r_symmetry_xyhbond_nbd_refined0.209
r_nbd_refined0.207
r_symmetry_nbd_refined0.205
r_symmetry_nbd_other0.193
r_nbtor_refined0.18
r_nbd_other0.18
r_xyhbond_nbd_refined0.149
r_symmetry_nbtor_other0.083
r_ncsr_local_group_10.081
r_chiral_restr0.074
r_bond_refined_d0.007
r_gen_planes_refined0.007
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4696
Nucleic Acid Atoms
Solvent Atoms257
Heterogen Atoms102

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing