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Crystal structure of E. coli RecE exonuclease
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 298 30-42% Glycerol, 100 mM DL-malic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 4.2 70.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 123.2 α = 90 b = 123.2 β = 90 c = 67.26 γ = 90
Symmetry Space Group P 4 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 MAR CCD 165 mm 2007-12-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 31-ID 0.97929 APS 31-ID
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 2.8 50 99.4 0.08 19.6 23.5 13172 13172 33.1
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 2.8 2.95 100 0.7 3.3 23.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD THROUGHOUT 2.8 45.43 2 13172 656 99.4 0.29 0.29 0.2899 0.313 0.3115 RANDOM 97.3
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] -25.55 -25.55 51.09
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.5 c_scangle_it 2.69 c_mcangle_it 2.59 c_scbond_it 1.67 c_mcbond_it 1.48 c_angle_deg 1.4 c_improper_angle_d 0.89 c_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1736 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose MAR345 data collection PHENIX model building CNS refinement MOSFLM data reduction SCALA data scaling PHENIX phasing