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Crystal Structures of Keap1-B4 complexes
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4IFJ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 293 PEG3350,0.2M potassium chloride
Crystal Properties Matthews coefficient Solvent content 1.67 26.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 36.603 α = 90 b = 43.794 β = 94.09 c = 66.006 γ = 90
Symmetry Space Group P 1 21 1
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 2024-12-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL19U1 0.97861 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 2.35 28.04 98.8 0.993 9.4 4.6 8797
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 2.35 2.47 0.887
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 4IFJ 2.35 28.04 1.34 8621 864 96.75 0.2185 0.2112 0.221 0.2835 0.2839
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 10.793 f_angle_d 1.294 f_chiral_restr 0.062 f_plane_restr 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2101 Nucleic Acid Atoms Solvent Atoms 32 Heterogen Atoms 55
Software Software Software Name Purpose PHENIX refinement XDS data reduction xia2 data scaling PHASER phasing