8QWN

Structure of p53 cancer mutant Y220C (hexagonal crystal form)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP293Protein solution: 5.5-6.0 mg/ml in 25 mM HEPES (pH 7.5), 200 mM NaCl, 0.5 mM TCEP Reservoir buffer: 20% w/v PEG 8000 (w/v), 0.1 M Tris pH 8.5, 0.2 M magnesium chloride hexahydrate.
Crystal Properties
Matthews coefficientSolvent content
2.0138.83

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.33α = 90
b = 45.33β = 90
c = 332.64γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2023-03-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA1.0SLSX06SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.4447.599.40.04612813.23872619.5974148137
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.441.4694.11.0940.9072.513.2

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-VALUE1.4439.31.3474619835938611202199.22900979160.1710529245720.1689170884430.20915241079729.1594724506
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_d21.4185431673
f_angle_d0.743945391338
f_chiral_restr0.0795723958169
f_plane_restr0.00558929674335
f_bond_d0.00528772567331
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1451
Nucleic Acid Atoms
Solvent Atoms171
Heterogen Atoms11

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing