7T72

Epitope-based selection of SARS-CoV-2 neutralizing antibodies from convalescent patients


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOthergeneric Fab and RBD

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293Equal volumes (2 uL) of protein solution (~5 mg/ml in 25 mM Tris (pH 8.0), 200 mM NaCl) and well solution (100 mM citrate (pH 4.25), 500 mM LiCl, 13% (w/v) PEG6000) were combined
Crystal Properties
Matthews coefficientSolvent content
2.8357

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 111.294α = 90
b = 111.294β = 90
c = 112.861γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2021-07-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX20.9536Australian SynchrotronMX2

Data Collection

Overall
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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
13.17749.9199.30.0790.0810.020.99821.416.813965123.24
Highest Resolution Shell
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)RedundancyNumber Unique Reflections (All)
13.183.496.51.1371.1730.2830.86616.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTgeneric Fab and RBD3.17748.6981.351393967499.350.24060.23710.3084134.1971
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.418
f_angle_d0.809
f_chiral_restr0.048
f_plane_restr0.005
f_bond_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4488
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms14

Software

Software
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction