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Crystal structure of Keap1 dimer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7XM2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293.15 0.05 M Zinc acetate dihydrate, 20% w/v polyethylene glycol 3350.
Crystal Properties Matthews coefficient Solvent content 4.57 73.06
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 75.607 α = 90 b = 75.627 β = 90 c = 201.722 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS3 6M 2022-11-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL19U1 0.9785 SSRF BL19U1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 2.5 37.17 99.9 0.999 26.26 13 40884 52.01
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.589 0.901
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2.5 37.17 1.34 40884 3762 99.77 0.1823 0.181 0.1818 0.2076 0.206 53.27
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 Key Refinement Restraint Deviation f_dihedral_angle_d 15.675 f_angle_d 0.949 f_chiral_restr 0.0594 f_bond_d 0.0083 f_plane_restr 0.0058
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4388 Nucleic Acid Atoms Solvent Atoms 121 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling Coot model building PHENIX phasing