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Crystal structure of the hMHF1/hMHF2 Histone-Fold Tetramer in Complex with Fanconi Anemia Associated Helicase hFANCM
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TAF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.8 298 Tracking Code C4, 0.1M Tris pH 7.8, 0.2M LiCl, 0.1M Na2SO4, 17.5% w/v PEG3350, 10% glycerol cryo., vapor diffusion, sitting drop, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.48 50.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 110.98 α = 90 b = 69.97 β = 91.6 c = 116.05 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 MARMOSAIC 300 mm CCD 2011-03-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-B 1.033180 APS 23-ID-B
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 49.51 98.9 0.052 14.9 3.5 120454 119106 -3 -3 40.705
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 2.05 99.7 0.512 3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 1TAF 2 49.51 120454 119090 5972 98.88 0.202 0.204 0.202 0.2031 0.245 0.245 RANDOM 33.212
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] -0.98 0.16 1.31 -0.31
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.531 r_dihedral_angle_4_deg 14.554 r_dihedral_angle_3_deg 14.157 r_dihedral_angle_1_deg 5.2 r_angle_refined_deg 1.52 r_angle_other_deg 0.952 r_chiral_restr 0.093 r_bond_refined_d 0.015 r_gen_planes_refined 0.007 r_bond_other_d 0.002
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.531 r_dihedral_angle_4_deg 14.554 r_dihedral_angle_3_deg 14.157 r_dihedral_angle_1_deg 5.2 r_angle_refined_deg 1.52 r_angle_other_deg 0.952 r_chiral_restr 0.093 r_bond_refined_d 0.015 r_gen_planes_refined 0.007 r_bond_other_d 0.002 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10421 Nucleic Acid Atoms Solvent Atoms 546 Heterogen Atoms 15
Software Software Software Name Purpose XSCALE data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction Blu-Ice data collection XDS data reduction