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Crystal Structure of E. coli RecA in a Compressed Helical Filament Form3
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2REB PDB ID 2REB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.4 295 PEG 2000 Monomethylether, lithium sulfate, sodium phosphate, sodium citrate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 3.3 63
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 108.391 α = 90 b = 108.391 β = 90 c = 73.783 γ = 120
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 SBC-2 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID APS 19-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 31.29 98.8 0.06 63.3 11.8 33414 33112 26.7
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 2.07 99.5 0.735 4.9
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ID 2REB 2 31.29 33414 31775 3182 95.1 0.2 0.1998 0.22 0.2199 random 50.41
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] -2.94 1.68 -2.94 5.88
RMS Deviations Key Refinement Restraint Deviation x_torsion_deg 22.4 x_scangle_it 8.79 x_scbond_it 6.56 x_mcangle_it 5.22 x_mcbond_it 4.12 x_angle_deg 1.1 x_bond_d 0.005 x_torsion_impr_deg
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2341 Nucleic Acid Atoms Solvent Atoms 172 Heterogen Atoms 17
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling AMoRE phasing