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Crystal studies of d(CACGCG).d(CGCGTG) grown in presence of calcium chloride
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model InsightII Z-DNA FIBER MODEL BUILT WITH INSIGHT-II
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.99 293 Sodium Cacodylate 50mM, Calcium chloride 140mM, Spermine 1mM, pH 6.99, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 1.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 17.388 α = 90 b = 30.618 β = 90 c = 44.488 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 IMAGE PLATE MAR scanner 345 mm plate Mirrors 2009-02-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.54
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 1.8 30 95.9 0.1026 0.0888 4.2 4.1 2431 2334 27.37
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.8 1.86 99.1 0.3416 0.2905 1.3 4.27 226
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) 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 MOLECULAR REPLACEMENT THROUGHOUT Z-DNA FIBER MODEL BUILT WITH INSIGHT-II 1.8 15.12 2309 2216 114 95.96 0.22845 0.22812 0.2261 0.23339 0.2278 RANDOM 19.708
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] -0.01 0.01
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 2.196 r_scbond_it 2.172 r_angle_refined_deg 2.087 r_nbtor_refined 0.287 r_xyhbond_nbd_refined 0.263 r_symmetry_vdw_refined 0.247 r_nbd_refined 0.18 r_symmetry_hbond_refined 0.179 r_chiral_restr 0.067 r_bond_refined_d 0.01
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 2.196 r_scbond_it 2.172 r_angle_refined_deg 2.087 r_nbtor_refined 0.287 r_xyhbond_nbd_refined 0.263 r_symmetry_vdw_refined 0.247 r_nbd_refined 0.18 r_symmetry_hbond_refined 0.179 r_chiral_restr 0.067 r_bond_refined_d 0.01 r_gen_planes_refined 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 246 Solvent Atoms 36 Heterogen Atoms
Software Software Software Name Purpose MAR345dtb data collection PHASER phasing REFMAC refinement AUTOMAR data reduction SCALEPACK data scaling