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Fragment-Based Discovery of a Potent Inhibitor of Replication Protein A Protein-Protein Interactions
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4IPC pdb entry 4IPC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 294 100 MM MES, 200 MM CALCIUM ACETATE, 20% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.03 39.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.912 α = 90 b = 53.582 β = 90 c = 53.932 γ = 90
Symmetry Space Group P 21 21 21
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 2013-07-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-D 0.97872 APS 21-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.2 50 99.6 0.046 35133 34994
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.2 1.24 100 0.281 6.13 5.7
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 4IPC 1.2 30.949 1.34 617013 34994 1759 99.78 0.1641 0.1635 0.1635 0.1763 0.1751
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 16.788 f_angle_d 1.674 f_chiral_restr 0.113 f_bond_d 0.012 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 942 Nucleic Acid Atoms Solvent Atoms 149 Heterogen Atoms 41
Software Software Software Name Purpose HKL-2000 data collection PHENIX model building PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing