6W4B
The crystal structure of Nsp9 RNA binding protein of SARS CoV-2
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1UW7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 289 | 1.8 M di-Ammonium hydrogen citrate, 0.1 M Sodium acetate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.02 | 59.28 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 89.883 | α = 90 |
b = 89.883 | β = 90 |
c = 132.587 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 2 |
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 PILATUS3 S 6M | 2020-03-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.97919 | APS | 19-BM |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.9 | 45 | 97.1 | 0.19 | 0.199 | 0.058 | 0.987 | 17.4 | 12 | 7299 | -3 | 99.12 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.9 | 2.95 | 79 | 1.753 | 1.874 | 0.646 | 0.452 | 1.09 | 6.9 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1UW7 | 2.95 | 44.94 | 1.35 | 6932 | 341 | 97.09 | 0.2417 | 0.2398 | 0.276 | random | 123.76 |
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 | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.7664 |
f_angle_d | 0.6973 |
f_chiral_restr | 0.0394 |
f_plane_restr | 0.0046 |
f_bond_d | 0.0024 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1685 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SBC-Collect | data collection |
PHENIX | refinement |
HKL-3000 | data scaling |
MOLREP | phasing |
HKL-3000 | data reduction |