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Ultrahigh-resolution centrosymmetric crystal structure of Z-DNA reveals massive presence of multiple conformations
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 292 1.5 MM WATER SOLUTION OF DNA MIXED 1:1 WITH 0.2 M (NH4)2OAc, 0.15 M Mg(OAc)2, 0.05 M HEPES SODIUM PH 7.0 AND 5% (W/V) PEG 4000 AND EQUILIBRATED AGAINST 0.5 ML of 5% (V/V) PEG 4000.
Crystal Properties Matthews coefficient Solvent content 1.74 28.79
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.3 α = 90 b = 17.61 β = 106.73 c = 36.49 γ = 90
Symmetry Space Group C 1 2/c 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 RAYONIX MX-225 2014-03-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.2 0.7999 BESSY 14.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 0.78 38.93 95.5 0.0339 0.999 25.75 9.01 53660 12.87
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 0.78 0.8 88.4 0.403 3.12 4.54
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 PHASING FREE R-VALUE 0.78 38.93 53660 982 95.5 0.1383 0.1399 0.1386 0.144 0.1425 0.1284 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 45 133 339.1
RMS Deviations Key Refinement Restraint Deviation s_angle_d 1.776 s_anti_bump_dis_restr 0.1275 s_approx_iso_adps 0.1149 s_similar_adp_cmpnt 0.0652 s_bond_d 0.0169 s_from_restr_planes 0.008 s_similar_dist s_zero_chiral_vol s_non_zero_chiral_vol s_rigid_bond_adp_cmpnt
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 240 Solvent Atoms 142 Heterogen Atoms 3
Software Software Software Name Purpose XDS data reduction XPREP data reduction SHELXS phasing SHELXL refinement SHELXL-97 refinement XSCALE data scaling SHELX phasing