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Crystal structure of the Keap1 complex with a peptide base on ETGE motif.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1X2R
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 298 Lithium Sulfate,Ammonium Sulfate,sodium citrate 5.1
Crystal Properties Matthews coefficient Solvent content 2.1 41.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 102.814 α = 90 b = 102.814 β = 90 c = 54.812 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD OXFORD ONYX CCD 2020-07-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.54184
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 20.135 99.83 0.996 1.96 8.4 22476 20.3899710197
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 2.11 0.994
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 1x2r 2.00006351943 20.1349848749 1.35299871149 22467 1147 99.9466168424 0.198818141711 0.196822366979 0.2054 0.235456817831 0.2393 25.6687614344
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 5.82547315027 f_angle_d 0.577313765191 f_chiral_restr 0.0473419261539 f_plane_restr 0.00395850771617 f_bond_d 0.00237912085257
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2300 Nucleic Acid Atoms Solvent Atoms 160 Heterogen Atoms 55
Software Software Software Name Purpose PHENIX refinement CrysalisPro data reduction CCP4 data scaling CCP4 phasing