8DFN
Crystal Structure of SARS-CoV-2 Main Protease (Mpro) H164N Mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 7LYH |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 293.15 | 25 % PEG 3350 , 0.1M Potassium/Sodium Tartrate, 0.0005 M Magnesium Chloride |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2 | 38.55 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 44.668 | α = 90 |
b = 53.738 | β = 100.81 |
c = 114.781 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER X 16M | 2022-06-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.0 | APS | 22-ID |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.04 | 50 | 98.6 | 0.087 | 16.75 | 5.2 | 33845 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.04 | 2.08 | 0.533 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 7LYH | 2.04 | 43.79 | 32015 | 1779 | 98.11 | 0.194 | 0.1909 | 0.2508 | RANDOM | 31.684 |
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] | |
-0.37 | -1.03 | 0.4 | 0.34 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.976 |
r_dihedral_angle_4_deg | 14.61 |
r_dihedral_angle_3_deg | 12.736 |
r_dihedral_angle_1_deg | 7.454 |
r_angle_refined_deg | 1.263 |
r_angle_other_deg | 1.206 |
r_chiral_restr | 0.053 |
r_bond_refined_d | 0.004 |
r_gen_planes_refined | 0.004 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4703 |
Nucleic Acid Atoms | |
Solvent Atoms | 304 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
MOLREP | phasing |