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Crystal structure of Aquifex aeolicus sigmaN bound to promoter DNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 295 50 mM sodium cacodylate, pH 6.5, 0.2 M KCl, 0.1 M Mg-acetate, 14%-18% Polyethylene glycol 8000
Crystal Properties Matthews coefficient Solvent content 2.99 58.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.921 α = 90 b = 99.921 β = 90 c = 123.3 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 ADSC QUANTUM 4 2007-08-15 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD MAR CCD 165 mm 2008-12-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.987 APS 24-ID-C 2 SYNCHROTRON NSLS BEAMLINE X3A 0.987 NSLS X3A
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 3.4 15 99 0.14 20.42 13.1 18717
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 3.4 3.52 100 0.903 7.5
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) Mean Isotropic B X-RAY DIFFRACTION MIR FREE R-VALUE 3.4 14.99 1.96 18697 950 99.9 0.291 0.289 0.2892 0.336 0.336
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 24.915 f_angle_d 0.907 f_chiral_restr 0.09 f_bond_d 0.004 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5258 Nucleic Acid Atoms 2498 Solvent Atoms 32 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement DENZO data reduction SCALEPACK data scaling autoSHARP phasing