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Structure of the E. coli Pol III epsilon-Hot proofreading complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1J53
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 277 Crystals grown in .1M Tris, 5mM MnSO4, 5mM dTMP, and 22% PEG6000, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.57 52.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.289 α = 90 b = 77.289 β = 90 c = 212.978 γ = 90
Symmetry Space Group P 43 21 2
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 RIGAKU SATURN 92 VariMax 2006-01-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 50 97.3 0.08 0.08 17.5 10.9 38546 37506 -3 16.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.18 76.6 0.328 0.328 2.1 1.7 2890
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 1J53 2.1 24.76 2 38819 35297 3522 91.6 0.209 0.209 0.206 0.244 0.2472 RANDOM 31.9
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] -0.23 -0.23 0.47
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.4 c_scangle_it 2.94 c_mcangle_it 2.14 c_scbond_it 2 c_mcbond_it 1.36 c_angle_deg 1.2 c_improper_angle_d 0.69 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3959 Nucleic Acid Atoms Solvent Atoms 429 Heterogen Atoms 51
Software Software Software Name Purpose CNS refinement StructureStudio data collection HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing