6ZEX

Keap1 kelch domain bound to a small molecule fragment


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.62930.5 M Ammonium sulfate, 0.1 M Sodium citrate tribasic dihydrate pH 5.6 and 1.0 M Lithium sulfate monohydrate
Crystal Properties
Matthews coefficientSolvent content
2.7254.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 104.094α = 90
b = 104.094β = 90
c = 54.835γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 4MCRL2018-07-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE MASSIF-30.9677ESRFMASSIF-3

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
11.9834.0799.790.11110.11540.030650.99915.0613.82373534.14
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)
11.982.05199.371.5791.6850.57760.5061.178.3

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-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE5FNU1.9834.071.3823730113199.820.19710.19540.2323Random54.69
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_d12.6011
f_angle_d1.0389
f_chiral_restr0.0684
f_bond_d0.0123
f_plane_restr0.0075
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2219
Nucleic Acid Atoms
Solvent Atoms45
Heterogen Atoms41

Software

Software
Software NamePurpose
XDSdata scaling
PHASERphasing
PHENIXrefinement
XDSdata reduction