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X-RAY AND SOLUTION STUDIES OF DNA OLIGOMERS AND IMPLICATIONS FOR THE STRUCTURAL BASIS OF A-TRACT-DEPENDENT CURVATURE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BNA B-DNA ORIENTED FIBER
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 277 pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 277.00K
Crystal Properties Matthews coefficient Solvent content 2.19 43.73
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 24.4 α = 90 b = 40.215 β = 90 c = 65.268 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 AREA DETECTOR XENTRONICS 1991-06-01 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE
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 2.5 87.5 0.0843 4.05 2152
Refinement Statistics Diffraction ID Structure Solution Method Starting model 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 MOLECULAR REPLACEMENT B-DNA ORIENTED FIBER 2.5 8 2 2043 0.206 0.2073 14.6
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 n_chiral_restr 0.255 n_phos_bond_angle_d 0.078 n_singtor_nbd 0.071 n_xhyhbond_nbd 0.071 n_multtor_nbd 0.068 n_sugar_bond_angle_d 0.037 n_phos_bond_d 0.033 n_plane_restr 0.019 n_sugar_bond_d 0.011 n_bond_d
RMS Deviations Key Refinement Restraint Deviation n_chiral_restr 0.255 n_phos_bond_angle_d 0.078 n_singtor_nbd 0.071 n_xhyhbond_nbd 0.071 n_multtor_nbd 0.068 n_sugar_bond_angle_d 0.037 n_phos_bond_d 0.033 n_plane_restr 0.019 n_sugar_bond_d 0.011 n_bond_d n_angle_d n_planar_d n_hb_or_metal_coord n_sugar_bond_it n_sugar_angle_it n_phos_bond_it n_phos_angle_it n_bond_angle_restr n_dihedral_angle_restr n_impr_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 484 Solvent Atoms 98 Heterogen Atoms 2
Software Software Software Name Purpose NUCLSQ refinement XENGEN data reduction ULTIMA data scaling