7S3N

SARS-CoV-2 S stem helix peptide bound to Fab22


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2930.1 M sodium citrate, pH 5.5, 23% PEG8000
Crystal Properties
Matthews coefficientSolvent content
2.5752.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.246α = 90
b = 73.08β = 100.5
c = 89.043γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray80CCDADSC QUANTUM 315r2021-06-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.979APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
11.987.5597.30.9875.13.63894425.51
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.940.878

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 REPLACEMENTFREE R-VALUEPDB entry 7M531.943.781.438918193797.320.20620.20480.234938.5
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_d16.188
f_angle_d0.9517
f_chiral_restr0.0592
f_plane_restr0.0072
f_bond_d0.0069
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3379
Nucleic Acid Atoms
Solvent Atoms325
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
Cootmodel building
iMOSFLMdata reduction
Aimlessdata scaling
PHASERphasing