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Crystal Structure of the Oxytricha Telomeric DNA at 1.6A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 285 potassium chloride, magnesium chloride, spermine, MPD, potassium cacodylate, pH 7.0, VAPOR DIFFUSION, HANGING DROP,
temperature 12K
Crystal Properties Matthews coefficient Solvent content 2.03 39.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 27.543 α = 90 b = 27.543 β = 90 c = 145.817 γ = 120
Symmetry Space Group P 32 2 1
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 2000-11-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 0.98 ESRF BM14
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 1.6 99 96.8 0.094 18.6 9146 8862 3 3
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) 1.6 1.66 98.4 0.226 6.38
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) 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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1.6 99 4 9146 8862 886 0.2439 0.2293 0.225 0.2759 every 10th reflection
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 s_non_zero_chiral_vol 0.059 s_angle_d 0.019 s_similar_dist 0.018 s_bond_d 0.007 s_anti_bump_dis_restr 0.007 s_from_restr_planes 0.0005 s_zero_chiral_vol s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 504 Solvent Atoms 131 Heterogen Atoms 7
Software Software Software Name Purpose X-PLOR model building SHELXL-97 refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing