5FNQ

Structure of the Keap1 Kelch domain in complex with a small molecule inhibitor.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1X2JPDB ENTRY 1X2J

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
170.3-0.6 M (NH4)2SO4, 0.4-1.4 M LI2SO4, 0.1 M NA3CITRATE-HCL PH 5.6
Crystal Properties
Matthews coefficientSolvent content
2.652.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 103.625α = 90
b = 103.625β = 90
c = 56.027γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDRIGAKU CCD2011-04-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E+

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.9144.8797.70.0417.3326103
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.911.9590.10.214.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1X2J1.9144.8724786131797.70.179570.177650.21524RANDOM26.78
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]
-0.26-0.13-0.260.84
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.493
r_dihedral_angle_4_deg18.265
r_dihedral_angle_3_deg13.28
r_dihedral_angle_1_deg7.302
r_scbond_it1.962
r_angle_refined_deg1.42
r_mcbond_it1.028
r_chiral_restr0.099
r_angle_other_deg0.05
r_bond_refined_d0.011
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.493
r_dihedral_angle_4_deg18.265
r_dihedral_angle_3_deg13.28
r_dihedral_angle_1_deg7.302
r_scbond_it1.962
r_angle_refined_deg1.42
r_mcbond_it1.028
r_chiral_restr0.099
r_angle_other_deg0.05
r_bond_refined_d0.011
r_bond_other_d0.001
r_gen_planes_refined
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2226
Nucleic Acid Atoms
Solvent Atoms311
Heterogen Atoms12

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
SCALAdata scaling