7OFA

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
2.5251.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 103.505α = 90
b = 103.505β = 90
c = 55.746γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-FToroidal mirror2018-08-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.9772ESRFID29

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
12.2251.7599.860.23560.24340.060410.9858.0716.31696535.91
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)
12.2212.3990.86880.90560.24560.9662.313.6

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-VALUE5FNU2.2251.751.521695781399.880.21060.2090.242Random48.29
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_d10.2135
f_angle_d0.5776
f_chiral_restr0.0469
f_plane_restr0.0031
f_bond_d0.0023
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2219
Nucleic Acid Atoms
Solvent Atoms8
Heterogen Atoms16

Software

Software
Software NamePurpose
DIALSdata reduction
Aimlessdata scaling
PHASERphasing
PHENIXrefinement