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A Highly Symmetric DNA G-4 Quadruplex/drug Complex
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 Sitting drop 7 277 NATRIX NR46 droplets
0.005 M Magnesium sulfate, 0.05 M Tris HCl buffer at pH 8.5, 35% w/v 1,6-hexane diol, Sitting drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.96 68.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 40.209 α = 90 b = 40.209 β = 90 c = 49.831 γ = 90
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 315 2004-07-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 1.006 SSRL BL9-1
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 1.08 10 99.7 0.072 81.79 66.9 21428 21428 2
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 1.08 1.13 99.2 0.273 15.14
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION AB INITIO FREE R NONE 1.08 10 4 15269 14501 1677 89.8 0.164 0.1618 0.1591 0.1582 0.2023 0.1941 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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 430.19
RMS Deviations Key Refinement Restraint Deviation s_anti_bump_dis_restr 0.072 s_angle_d 0.024 s_similar_adp_cmpnt 0.019 s_bond_d 0.014 s_rigid_bond_adp_cmpnt 0.005 s_similar_dist s_from_restr_planes s_zero_chiral_vol s_non_zero_chiral_vol s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 170 Solvent Atoms 110 Heterogen Atoms 162
Software Software Software Name Purpose SHELX model building SHELXL-97 refinement DENZO data reduction SCALEPACK data scaling SHELX phasing