7DK1

Crystal structure of Zinc bound SARS-CoV-2 main protease


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6Y2E 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5293.15Bis-Tris (0.1 M), PEG 3350 (20%), DMSO (5%)
Crystal Properties
Matthews coefficientSolvent content
2.6453.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.62α = 90
b = 102.2β = 90
c = 102.35γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2020-11-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 11.2C0.999ELETTRA11.2C

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
11.972.321000.0870.9992.6912.85643132.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.9021.9351000.831

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT6Y2E1.90272.325643128891000.19060.18960.2094RANDOM39.17
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]
10.314-12.89092.5769
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion16.08
t_omega_torsion3.74
t_angle_deg0.98
t_bond_d0.009
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion16.08
t_omega_torsion3.74
t_angle_deg0.98
t_bond_d0.009
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4560
Nucleic Acid Atoms
Solvent Atoms423
Heterogen Atoms40

Software

Software
Software NamePurpose
MxCuBEdata collection
PHASERphasing
Cootmodel building
BUSTERrefinement
PDB_EXTRACTdata extraction