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Crystal structure of human RECQ-like DNA helicase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1OYY PDB ENTRY 1OYY
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 0.2M SODIUM BROMIDE,20% PEG3350, 10% ETHYLENE GLYCOL, 0.1M BIS TRIS PROPANE PH7.5, pH 7.50
Crystal Properties Matthews coefficient Solvent content 2.51 51.01
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.229 α = 90 b = 97.647 β = 104.5 c = 85.849 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 2007-04-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA SLS X10SA
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 45.74 100 0.07 10.4 3.7 89784 31.96
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 2.11 100 0.62 1.6 3.2
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1OYY 2 45 85242 4497 100 0.235 0.232 0.278 0.2808 RANDOM 33.88
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] -2.33 -0.1 4.6 -2.31
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.241 r_dihedral_angle_4_deg 18.667 r_dihedral_angle_3_deg 15.47 r_scangle_it 7.626 r_dihedral_angle_1_deg 6.607 r_scbond_it 6.345 r_mcangle_it 4.137 r_mcbond_it 2.805 r_angle_refined_deg 1.439 r_angle_other_deg 0.92
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.241 r_dihedral_angle_4_deg 18.667 r_dihedral_angle_3_deg 15.47 r_scangle_it 7.626 r_dihedral_angle_1_deg 6.607 r_scbond_it 6.345 r_mcangle_it 4.137 r_mcbond_it 2.805 r_angle_refined_deg 1.439 r_angle_other_deg 0.92 r_xyhbond_nbd_refined 0.204 r_nbd_refined 0.199 r_symmetry_vdw_other 0.198 r_nbd_other 0.19 r_nbtor_refined 0.18 r_symmetry_vdw_refined 0.172 r_symmetry_hbond_refined 0.157 r_nbtor_other 0.089 r_chiral_restr 0.083 r_bond_refined_d 0.013 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_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 8148 Nucleic Acid Atoms Solvent Atoms 315 Heterogen Atoms 75
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction SCALA data scaling MOLREP phasing