PanDDA analysis group deposition SARS-CoV-2 main protease fragment screen -- Crystal Structure of SARS-CoV-2 main protease in complex with Z1310876699 (Mpro-x0426)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293.15 | 15% PEG 4K, 5% DMSO, 0.1M MES pH 6.5 | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 1.91 | 35.68 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 112.522 | α = 90 | 
| b = 52.774 | β = 102.97 | 
| c = 44.716 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | C 1 2 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 PILATUS 6M | 2020-02-27 | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.9126 | Diamond | I04-1 | 
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) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
| 1 | 1.43 | 54.8 | 97.3 | 0.078 | 0.093 | 0.05 | 0.997 | 7.4 | 3.1 | 45974 | |||||||||
| 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) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.43 | 1.45 | 87.3 | 1.368 | 1.783 | 1.126 | 0.315 | 2.1 | 1998 | ||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 6LU7 | 1.43 | 54.83 | 43544 | 2220 | 96.75 | 0.176 | 0.1742 | 0.19 | 0.2099 | 0.22 | RANDOM | 18.565 | ||||
| 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] | |
| 0.63 | -0.4 | -0.34 | -0.1 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 33.947 | 
| r_dihedral_angle_4_deg | 17.153 | 
| r_dihedral_angle_3_deg | 12.701 | 
| r_dihedral_angle_1_deg | 7.207 | 
| r_mcangle_it | 2.237 | 
| r_angle_refined_deg | 1.632 | 
| r_angle_other_deg | 1.513 | 
| r_mcbond_other | 1.399 | 
| r_mcbond_it | 1.39 | 
| r_chiral_restr | 0.082 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2347 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 328 | 
| Heterogen Atoms | 30 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| Aimless | data scaling | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| REFMAC | phasing | 














