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Crystal Structure of the T7 Replisome in the Absence of DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2AJQ 2AJQ, 1CR0, 1NUI experimental model PDB 1CR0 2AJQ, 1CR0, 1NUI experimental model PDB 1NUI 2AJQ, 1CR0, 1NUI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 295.15 1.47-1.62M Sodium Formate
0.1M Tris pH 7.5
Crystal Properties Matthews coefficient Solvent content 3.9 68.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 174.866 α = 90 b = 238.091 β = 90 c = 243.466 γ = 90
Symmetry Space Group P 21 21 21
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 225 mm CCD 2011-04-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-F 0.97872 APS 21-ID-F
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 4.8 29.983 97.9 10.1 3.7 41183
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 4.8 4.88 97.6 3.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2AJQ, 1CR0, 1NUI 4.802 29.983 1.37 41183 2099 82.21 0.2768 0.2747 0.2838 0.3178 0.3257 240.1147
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.674 f_angle_d 0.736 f_chiral_restr 0.044 f_bond_d 0.004 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 43846 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement HKL-2000 data scaling PDB_EXTRACT data extraction HKL-2000 data reduction