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Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screening
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IA8 PDB ENTRY 1IA8
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 pH 7.50
Crystal Properties Matthews coefficient Solvent content 2.9 56.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.13 α = 90 b = 65.695 β = 101.75 c = 54.68 γ = 90
Symmetry Space Group P 1 21 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 ADSC CCD M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID APS 19-ID
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 2.2 30 96.1 0.06 17.5 3.8 17692 2
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 2.2 2.31 79.1 0.27 2.9 1.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1IA8 2.2 30 14860 797 97.8 0.189 0.186 0.1843 0.249 0.2397 RANDOM 37.94
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] -1.54 -0.74 -0.11 1.35
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 20.386 r_dihedral_angle_4_deg 18.207 r_dihedral_angle_1_deg 7.77 r_scangle_it 4.46 r_scbond_it 2.852 r_mcangle_it 2.082 r_angle_refined_deg 1.837 r_mcbond_it 1.126 r_symmetry_hbond_refined 0.892 r_symmetry_vdw_refined 0.379
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 20.386 r_dihedral_angle_4_deg 18.207 r_dihedral_angle_1_deg 7.77 r_scangle_it 4.46 r_scbond_it 2.852 r_mcangle_it 2.082 r_angle_refined_deg 1.837 r_mcbond_it 1.126 r_symmetry_hbond_refined 0.892 r_symmetry_vdw_refined 0.379 r_nbd_refined 0.234 r_xyhbond_nbd_refined 0.188 r_chiral_restr 0.145 r_bond_refined_d 0.018 r_gen_planes_refined 0.007 r_bond_other_d r_angle_other_deg r_dihedral_angle_2_deg r_gen_planes_other r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2127 Nucleic Acid Atoms Solvent Atoms 221 Heterogen Atoms 20
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing