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Crystal structure of the Kelch domain of human Keap1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 277 4% PEG 4000, 100 mM Na Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.6 52.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 85.892 α = 90 b = 85.892 β = 90 c = 148.753 γ = 120
Symmetry Space Group P 65 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV 2004-06-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.85 100 99.9 0.081 33.9 14.4 28169 28169
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.85 1.92 100 0.52 4.2 2749
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MIR THROUGHOUT 1.85 19.88 24523 1316 100 0.14941 0.14766 0.1611 0.18237 0.194 RANDOM 17.003
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] -0.57 -0.29 -0.57 0.86
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 7.277 r_scangle_it 2.78 r_scbond_it 1.7 r_angle_refined_deg 1.257 r_mcangle_it 1.051 r_angle_other_deg 0.805 r_mcbond_it 0.56 r_symmetry_vdw_other 0.295 r_nbd_other 0.251 r_nbd_refined 0.185
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 7.277 r_scangle_it 2.78 r_scbond_it 1.7 r_angle_refined_deg 1.257 r_mcangle_it 1.051 r_angle_other_deg 0.805 r_mcbond_it 0.56 r_symmetry_vdw_other 0.295 r_nbd_other 0.251 r_nbd_refined 0.185 r_symmetry_vdw_refined 0.133 r_symmetry_hbond_refined 0.127 r_xyhbond_nbd_refined 0.116 r_chiral_restr 0.088 r_nbtor_other 0.077 r_bond_refined_d 0.01 r_gen_planes_refined 0.004 r_gen_planes_other 0.003 r_bond_other_d 0.002 r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_nbtor_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2214 Nucleic Acid Atoms Solvent Atoms 313 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement DENZO data reduction CCP4 data scaling SOLVE phasing