☰ Navigation Tabs
Structure Guided Optimisation of Niclosamide Derivatives as Direct STAT3 Inhibitors Targeting a Novel Binding Site
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4E68
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 278 8% Ethylene Glycol, 0.1M HEPES, 10% PEG8000
Crystal Properties Matthews coefficient Solvent content 3.79 67.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 174.263 α = 90 b = 174.263 β = 90 c = 78.762 γ = 90
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 6M 2018-10-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I03 1.00667 Diamond I03
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.38 123.3 100 0.081 1 12.2 8 47560
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.38 2.42 99.2 2.91 0.4 8.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2.55 123.223 37303 1847 96.462 0.217 0.2155 0.2189 0.2494 0.2479 0 87.41
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] 0.354 0.354 -0.708
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 19.964 r_lrange_other 19.751 r_lrange_it 19.737 r_dihedral_angle_2_deg 15.634 r_dihedral_angle_6_deg 14.821 r_mcangle_it 13.849 r_mcangle_other 13.848 r_scangle_it 13.754 r_scangle_other 13.674 r_mcbond_it 9.347
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 19.964 r_lrange_other 19.751 r_lrange_it 19.737 r_dihedral_angle_2_deg 15.634 r_dihedral_angle_6_deg 14.821 r_mcangle_it 13.849 r_mcangle_other 13.848 r_scangle_it 13.754 r_scangle_other 13.674 r_mcbond_it 9.347 r_mcbond_other 9.346 r_scbond_it 8.945 r_scbond_other 8.944 r_dihedral_angle_1_deg 8.489 r_angle_refined_deg 1.508 r_dihedral_angle_other_2_deg 0.943 r_angle_other_deg 0.82 r_nbd_other 0.357 r_symmetry_nbd_refined 0.348 r_symmetry_xyhbond_nbd_refined 0.283 r_nbd_refined 0.253 r_symmetry_nbd_other 0.24 r_xyhbond_nbd_refined 0.196 r_nbtor_refined 0.194 r_symmetry_xyhbond_nbd_other 0.141 r_symmetry_nbtor_other 0.086 r_chiral_restr 0.067 r_bond_refined_d 0.007 r_gen_planes_refined 0.007 r_gen_planes_other 0.007 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4499 Nucleic Acid Atoms 360 Solvent Atoms 146 Heterogen Atoms 21
Software Software Software Name Purpose REFMAC refinement xia2 data reduction pointless data scaling PHASER phasing