8CRK

Crystal structure of N-terminal SARS-CoV-2 nsp1 in complex with fragment hit 7H2 refined against anomalous diffraction data


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8A55 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP291.150.1 M BIS-TRIS pH 6.5, 0.2 M NaCl and 25%w/v Polyethylene glycol 3,350
Crystal Properties
Matthews coefficientSolvent content
1.8131.9

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.524α = 90
b = 36.524β = 90
c = 141.988γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 2M2021-07-09MSINGLE WAVELENGTH
21x-ray45PIXELDECTRIS PILATUS 12M2023-02-01MSINGLE WAVELENGTH
31x-ray45PIXELDECTRIS PILATUS 12M2023-02-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE MASSIF-10.96546ESRFMASSIF-1
2SYNCHROTRONDIAMOND BEAMLINE I232.75DiamondI23
3SYNCHROTRONDIAMOND BEAMLINE I234.5DiamondI23

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
11.0436.5296.9110.185.6585622
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)
11.041.10.17

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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-VALUE1.135.51.354024798899.880.1670.16750.1918
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_d6.152
f_angle_d1.396
f_chiral_restr0.09
f_bond_d0.012
f_plane_restr0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms892
Nucleic Acid Atoms
Solvent Atoms112
Heterogen Atoms10

Software

Software
Software NamePurpose
PHENIXrefinement
xia2data reduction
xia2data scaling
autoPROCdata processing