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Crystal structure of a putative ECF-type sigma factor negative effector from Bacillus anthracis str. Sterne
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 291 0.01M Nickle Chloride,
Tris pH 8.5, 18% PEG 2000 MME, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.25 45.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 52.808 α = 90 b = 79.628 β = 90 c = 80.078 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 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.9794 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 2.1 40 92.5 0.107 15.1 4.3 20169 18762 1.9 1.9 28.4
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 2.1 2.14 73.6 0.5 1.9 3.4 732
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) 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 SAD THROUGHOUT 2.102 39.814 1.9 1.9 36126 18494 1782 90.49 0.21 0.204 0.2011 0.2589 0.2728 RANDOM
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2381 Nucleic Acid Atoms Solvent Atoms 111 Heterogen Atoms 2
Software Software Software Name Purpose SBC-Collect data collection HKL-3000 phasing SHELX model building Coot model building MLPHARE phasing CCP4 model building PHENIX refinement HKL-3000 data reduction SCALEPACK data scaling SHELX phasing CCP4 phasing