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Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verification
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 2.42 48.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.039 α = 90 b = 65.853 β = 102.53 c = 54.582 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 MARRESEARCH 2003-11-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID29 ESRF ID29
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 2.1 30 98.1 0.08 14.7 4 19586 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 2.1 2.15 99.8 0.45 2.4 4
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 2.1 30 16996 921 98 0.186 0.182 0.1822 0.262 0.2581 RANDOM 39.12
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] -2.44 -0.49 0.24 1.99
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 20.389 r_dihedral_angle_4_deg 19.951 r_dihedral_angle_1_deg 7.498 r_scangle_it 5.351 r_scbond_it 3.427 r_mcangle_it 2.306 r_angle_refined_deg 2.1 r_mcbond_it 1.296 r_symmetry_hbond_refined 0.824 r_symmetry_vdw_refined 0.443
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 20.389 r_dihedral_angle_4_deg 19.951 r_dihedral_angle_1_deg 7.498 r_scangle_it 5.351 r_scbond_it 3.427 r_mcangle_it 2.306 r_angle_refined_deg 2.1 r_mcbond_it 1.296 r_symmetry_hbond_refined 0.824 r_symmetry_vdw_refined 0.443 r_nbd_refined 0.232 r_xyhbond_nbd_refined 0.22 r_chiral_restr 0.163 r_bond_refined_d 0.022 r_gen_planes_refined 0.009 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 2087 Nucleic Acid Atoms Solvent Atoms 219 Heterogen Atoms 22
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling AMoRE phasing