7YLB
Two monobodies recognizing the conserved epitopes of SARS-CoV-2 N antigen applicable to the broad COVID-19 diagnosis
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 293.15 | 0.2M K2SO4, 18% PEG 3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.19 | 61.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 143.081 | α = 90 |
b = 48.458 | β = 105.16 |
c = 143.247 | 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 PILATUS3 6M | 2020-12-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL19U1 | 0.979 | SSRF | BL19U1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2.41 | 138.261 | 99.8 | 0.186 | 7.6 | 6.6 | 74632 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.41 | 2.45 | 0.945 |
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 | 6YUN, 1FNA | 2.41 | 138.261 | 70911 | 3709 | 99.77 | 0.27 | 0.2671 | 0.3259 | RANDOM | 41.358 |
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] | |
-2.35 | 1.52 | -4.21 | 4.99 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.562 |
r_dihedral_angle_4_deg | 18.856 |
r_dihedral_angle_3_deg | 18.684 |
r_dihedral_angle_1_deg | 7.857 |
r_angle_refined_deg | 1.675 |
r_chiral_restr | 0.132 |
r_gen_planes_refined | 0.008 |
r_bond_refined_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9719 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 20 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
PHASER | phasing |