6Z4U
X-ray Crystallographic Structure of Orf9b from 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 | 2CME |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293.15 | Protein at 8.3 mg/ml in 20 mM Tris pH 7.0 150 mM NaCl, 1mM DTT was mixed in a 3:2 ratio with the MORPHEUS crystallization screen condition E4 (Tube 2-4; 0.12 M Ethylene glycols 0.1 M Buffer System 1 pH 6.5 37.5 % v/v Precipitant Mix 4) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.98 | 37.83 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 36.03 | α = 90 |
b = 64.571 | β = 90 |
c = 73.536 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 EIGER X 16M | 2020-05-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS-II BEAMLINE 17-ID-2 | 0.979329 | NSLS-II | 17-ID-2 |
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 | 1.95 | 36.77 | 99.3 | 0.123 | 0.133 | 0.05 | 0.934 | 8.5 | 7.4 | 13064 |
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 | 1.95 | 1.99 | 95.1 | 0.783 | 0.838 | 0.291 | 0.893 | 7.6 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2CME | 1.95 | 36.77 | 12363 | 639 | 99.5 | 0.2194 | 0.2175 | 0.2567 | RANDOM | 33.585 |
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] | |
-0.11 | 2.13 | -2.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.83 |
r_dihedral_angle_4_deg | 17.032 |
r_dihedral_angle_3_deg | 16.957 |
r_dihedral_angle_1_deg | 8.277 |
r_angle_refined_deg | 1.704 |
r_chiral_restr | 0.105 |
r_bond_refined_d | 0.009 |
r_gen_planes_refined | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1249 |
Nucleic Acid Atoms | |
Solvent Atoms | 49 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DIALS | data reduction |
Aimless | data scaling |
MOLREP | phasing |