7R6W
SARS-CoV-2 spike receptor-binding domain (RBD) in complex with S2X35 Fab and S309 Fab
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7JX3 | PDB entry 7JX3 and homology model of S2X35 Fab |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293.15 | 1.85 M ammonium sulfate, 0.1 M Tris, pH 8.17, 0.8% w/v polyvinyl alcohol, 1% v/v 1-propanol, 0.01 M HEPES, pH 7 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.56 | 65.46 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 106.267 | α = 90 |
b = 239.372 | β = 90 |
c = 129.806 | γ = 90 |
Symmetry | |
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Space Group | C 2 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 PILATUS 6M | 2021-01-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97946 | SSRL | BL9-2 |
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 | 1.83 | 39.52 | 99.6 | 0.085 | 0.092 | 0.035 | 0.999 | 16.2 | 6.7 | 144449 |
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 | 1.83 | 1.86 | 99.5 | 2.96 | 3.199 | 1.202 | 0.306 | 7 |
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 | PDB entry 7JX3 and homology model of S2X35 Fab | 1.83 | 38.91 | 135667 | 7049 | 98.28 | 0.2123 | 0.2113 | 0.2316 | RANDOM | 37.283 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
1.59 | -0.13 | -1.46 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.757 |
r_dihedral_angle_4_deg | 16.847 |
r_dihedral_angle_3_deg | 12.067 |
r_dihedral_angle_1_deg | 7.34 |
r_angle_refined_deg | 1.259 |
r_angle_other_deg | 1.154 |
r_chiral_restr | 0.046 |
r_bond_refined_d | 0.004 |
r_gen_planes_refined | 0.004 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8160 |
Nucleic Acid Atoms | |
Solvent Atoms | 584 |
Heterogen Atoms | 172 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
PHASER | phasing |