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STRUCTURE OF AN ALTERNATING-B DNA HELIX AND ITS RELATIONSHIP TO A-TRACT DNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION VAPOR DIFFUSION
Crystal Properties Matthews coefficient Solvent content 2.08 40.82
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 23.54 α = 90 b = 38.86 β = 90 c = 66.57 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 279 AREA DETECTOR SDMS
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.2 8 2994
Refinement Statistics Diffraction ID Structure Solution 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) Mean Isotropic B X-RAY DIFFRACTION 2.2 8 0.5 1915 0.189 0.189 0.1825
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 Nucleic Acid Atoms 486 Solvent Atoms 43 Heterogen Atoms
Software Software Software Name Purpose X-PLOR refinement