4L7D

Structure of keap1 kelch domain with (1S,2R)-2-{[(1S)-5-methyl-1-[(1-oxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-3,4-dihydroisoquinolin-2(1H)-yl]carbonyl}cyclohexanecarboxylic acid


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.62961 ul of protein at 12 mg/ml in 20 mM Tris-HCl pH 7.5, 5 mM DTT, 5 mM compound 1 + 2 ul of 2.15 M Sodium Acetate , VAPOR DIFFUSION, HANGING DROP, temperature 296K
Crystal Properties
Matthews coefficientSolvent content
3.1560.91

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.92α = 90
b = 126β = 90
c = 130.3γ = 90
Symmetry
Space GroupP 21 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6Mmirrors2012-12-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I030.9763DiamondI03

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.2565.697.66004722
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.252.30897.97

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1ZGK2.2546.025807954886292496.260.253430.253430.252240.27586RANDOM41.223
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]
-0.050.11-0.06
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.732
r_dihedral_angle_4_deg16.028
r_dihedral_angle_3_deg12.861
r_dihedral_angle_1_deg5.326
r_angle_refined_deg0.959
r_angle_other_deg0.661
r_chiral_restr0.051
r_bond_refined_d0.004
r_gen_planes_refined0.002
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.732
r_dihedral_angle_4_deg16.028
r_dihedral_angle_3_deg12.861
r_dihedral_angle_1_deg5.326
r_angle_refined_deg0.959
r_angle_other_deg0.661
r_chiral_restr0.051
r_bond_refined_d0.004
r_gen_planes_refined0.002
r_bond_other_d0.001
r_gen_planes_other0.001
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_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6604
Nucleic Acid Atoms
Solvent Atoms270
Heterogen Atoms139

Software

Software
Software NamePurpose
GDAdata collection
PHASERphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling