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KRAS4B 1-185 (C185S) bound to GDP-Mg2+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4OBE 4OBE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 293.15 20% PEG8000, 200 mM Magnesium chloride, 100 mM Tris-HCl pH 8.5
Crystal Properties Matthews coefficient Solvent content 2.15 42.92
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 84.313 α = 90 b = 84.313 β = 90 c = 41.733 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 PIXEL DECTRIS PILATUS3 2M 2017-06-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.1 1.0 ALS 5.0.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 1.42 42.16 97.4 0.042 0.047 0.021 0.99 18.3 4.4 61036
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.42 1.44 70.7 0.7 0.977 0.68 0.36 1 1.6
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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 4OBE 1.42 42.16 18.19 61030 2034 97.38 0.1645 0.1471 0.1688 0.2353 24.62
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 17.0139 f_angle_d 1.021 f_chiral_restr 0.0681 f_bond_d 0.0094 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2666 Nucleic Acid Atoms Solvent Atoms 327 Heterogen Atoms 8
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing