9F2G
Crystal structure of SARS-CoV-2 N-protein C-terminal domain (apo form)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7CE0 | Chain A |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 291 | PEG 3350 37%, 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. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 92.704 | α = 90 |
b = 45.14 | β = 93.96 |
c = 109.061 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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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 | KB mirrors, rectangular beam shape | 2021-05-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALBA BEAMLINE XALOC | 0.979260 | ALBA | XALOC |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.57 | 48.42 | 97.4 | 0.019 | 0.999 | 21.2 | 6.4 | 123141 | 19.806 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.57 | 1.6 | 74.1 | 0.531 | 0.647 | 1.2 | 4.7 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.57 | 48.42 | 116789 | 6337 | 97.39 | 0.19093 | 0.18887 | 0.22854 | RANDOM | 23.748 |
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] | |
0.3 | -0.32 | 0.73 | -0.97 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 13.708 |
r_dihedral_angle_1_deg | 6.549 |
r_long_range_B_refined | 6.292 |
r_long_range_B_other | 6.13 |
r_dihedral_angle_2_deg | 5.822 |
r_scangle_other | 4.658 |
r_scbond_it | 3.042 |
r_scbond_other | 3.042 |
r_mcangle_it | 2.937 |
r_mcangle_other | 2.937 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6974 |
Nucleic Acid Atoms | |
Solvent Atoms | 1041 |
Heterogen Atoms | 55 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XDS | data scaling |
MOLREP | phasing |
BUCCANEER | model building |
Coot | model building |
PDB_EXTRACT | data extraction |