8RFF

Crystal structure of N-terminal SARS-CoV-2 nsp1 in complex with fragment hit 6A6 refined against the 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 DROP6.5291.5The crystallisation condition used is Index 71 (Cat. No.: HR2-944-71; Hampton Research, Aliso Viejo, CA, USA) containing 0.1 M BIS-TRIS pH 6.5, 0.2 M NaCl and 25% w/v Polyethylene glycol 3350
Crystal Properties
Matthews coefficientSolvent content
1.831.71

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.642α = 90
b = 36.642β = 90
c = 140.697γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 2M2021-03-29MSINGLE WAVELENGTH
21x-ray80PIXELDECTRIS PILATUS 12M2023-07-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE MASSIF-10.9655ESRFMASSIF-1
2SYNCHROTRONDIAMOND BEAMLINE I232.7552DiamondI23

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
11.3135.461000.0570.0610.0217.89.224079
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.311.3331000.7370.7860.2698.4

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-VALUE1.3135.461.3524078115899.960.17450.17230.2186
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_d9.406
f_angle_d1.316
f_chiral_restr0.097
f_plane_restr0.013
f_bond_d0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms917
Nucleic Acid Atoms
Solvent Atoms89
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
Aimlessdata scaling
XDSdata reduction