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Approach for Targeting Ras with Small Molecules that Activate SOS-Mediated Nucleotide Exchange
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NVV PDB ENTRY 1NVV
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.5 293 0.1 M sodium acetate, 1.8 M sodium formate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 4.14 70.27
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 186.805 α = 90 b = 186.805 β = 90 c = 178.684 γ = 90
Symmetry Space Group I 4 2 2
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 MARMOSAIC 300 mm CCD 2012-07-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-F 0.98 APS 21-ID-F
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) 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 3.5529 44.03 19245 19245
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) 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 PDB ENTRY 1NVV 3.5529 44.03 19227 960 99.28 0.1606 0.1577 0.162 0.2137 0.2157
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 18.249 f_angle_d 1.443 f_chiral_restr 0.094 f_bond_d 0.012 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6533 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 64
Software Software Software Name Purpose MAR345dtb data collection PHENIX model building PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing