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KRAS4b A146T 1-185 bound to GDP
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 293.15 22% PEG3350, 200 mM lithium citrate, 10 uM GDP, 1 mM magnesium chloride, 2 mM DTT, 20 mM sodium chloride, 10 mM Tris-HCl, pH 8
Crystal Properties Matthews coefficient Solvent content 2.49 50.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.302 α = 90 b = 78.302 β = 90 c = 55.848 γ = 120
Symmetry Space Group P 3 2 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 CCD RAYONIX MX-300 2016-12-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 0.9782 APS 22-BM
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 1.18 67.8 98.4 0.06 0.066 0.027 0.998 12.9 5.8 122556 10.8
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 1.18 1.227 0.327 0.377 0.182 0.903 2.98
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 4OBE 1.18 39.15 1.38 122256 3832 98.12 0.162 0.1617 0.1621 0.1718 0.1724 17.08
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 17.0681 f_angle_d 1.1343 f_chiral_restr 0.0791 f_plane_restr 0.0079 f_bond_d 0.0077
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1386 Nucleic Acid Atoms Solvent Atoms 217 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing