Crystal structure of beluga whale Gammacoronavirus SW1 Mpro with GC-376 captured in two conformational states
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 293 | 10-20 % (w/v) PEG 3350, 0.20-0.30 M NaCl, and 0.1 M Bis-Tris methane pH 5.5 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.71 | 54.59 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 63.083 | α = 90 |
| b = 84.159 | β = 93.09 |
| c = 68.498 | 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 | RIGAKU HyPix-6000HE | 2022-04-04 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54178 | ||
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 | 1.65 | 12.24 | 94.95 | 0.05568 | 0.06827 | 0.03864 | 0.997 | 11.31 | 2.4 | 81531 | 13.9 | ||||||||
| 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 | 1.65 | 1.709 | 90.26 | 0.4862 | 0.6148 | 0.3696 | 0.735 | 1.61 | 2 | ||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | Not submitted | 1.65 | 12.24 | 1.34 | 81528 | 1999 | 95.2 | 0.1602 | 0.1593 | 0.16 | 0.195 | 0.2 | 19.98 | ||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 15.066 |
| f_angle_d | 1.5124 |
| f_chiral_restr | 0.1025 |
| f_bond_d | 0.0174 |
| f_plane_restr | 0.0108 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4566 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 794 |
| Heterogen Atoms | 94 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| CrysalisPro | data collection |
| CrysalisPro | data reduction |
| CrysalisPro | data scaling |
| PHASER | phasing |














