Crystal structure of SARS-CoV-2 N-protein C-terminal domain in complex with 2-amino-1,3-benzothiazol-6-ol
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 9F2G | Chains A, B, C, D, E, F, G and H |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 291 | PEG 3350 38%, 0.1 M Tris pH 8.5, 50 mM ammonium sulfate and 1 mM InsP6. Protein:precipitant ratio 1:1. Protein concentration: 16.5 mg/ml. Protein buffer: 20 mM Tris pH 8.0 and 150 mM NaCl. Soaking 2 weeks with saturated concentration of riluzole-like compound in PEG 3350 40%, 0.1 M Tris pH 8.5, 50 mM ammonium sulfate, 1 mM InsP6 condition. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.27 | 45.78 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 93.523 | α = 90 |
| b = 45.935 | β = 93.79 |
| c = 110.012 | 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 PILATUS3 2M | KB mirror, elliptical beam shape | 2021-10-06 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | 0.873128 | ESRF | ID23-2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 1.45 | 109.77 | 99.8 | 0.064 | 0.988 | 7 | 4.4 | 165420 | 16.766 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.45 | 1.47 | 98.2 | 0.475 | 0.618 | 1.5 | 3.8 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.45 | 109.77 | 157236 | 8168 | 99.74 | 0.18679 | 0.18536 | 0.1948 | 0.21389 | 0.2203 | RANDOM | 19.114 | |||||
| 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] | |
| -0.01 | -0.35 | 0.58 | -0.53 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_3_deg | 13.636 |
| r_dihedral_angle_2_deg | 6.615 |
| r_dihedral_angle_1_deg | 6.356 |
| r_long_range_B_refined | 5.13 |
| r_long_range_B_other | 4.966 |
| r_scangle_other | 3.692 |
| r_mcangle_it | 2.417 |
| r_mcangle_other | 2.416 |
| r_scbond_it | 2.337 |
| r_scbond_other | 2.336 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6974 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1012 |
| Heterogen Atoms | 46 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| XDS | data scaling |
| MOLREP | phasing |
| Coot | model building |
| PDB_EXTRACT | data extraction |














