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ORTHORHOMBIC CRYSTAL STRUCTURE OF THE A-DNA OCTAMER D(GTACGTAC). COMPARISON WITH THE TETRAGONAL STRUCTURE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 pH 6.00, VAPOR DIFFUSION, SITTING DROP
Crystal Properties Matthews coefficient Solvent content 2.2 44.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 38.605 α = 90 b = 50.824 β = 90 c = 21.74 γ = 90
Symmetry Space Group P 21 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray AREA DETECTOR SIEMENS-NICOLET
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE SIEMENS
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.19 4465
Refinement Statistics Diffraction ID Structure Solution Method 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-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION 2.19 10 4 1516 0.161
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_multtor_nbd 0.15 n_singtor_nbd 0.113 n_phos_bond_d 0.058 n_phos_bond_angle_d 0.048 n_sugar_bond_angle_d 0.043 n_plane_restr 0.03 n_sugar_bond_d 0.017 n_bond_d n_angle_d n_planar_d
RMS Deviations Key Refinement Restraint Deviation n_multtor_nbd 0.15 n_singtor_nbd 0.113 n_phos_bond_d 0.058 n_phos_bond_angle_d 0.048 n_sugar_bond_angle_d 0.043 n_plane_restr 0.03 n_sugar_bond_d 0.017 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 n_chiral_restr n_xhyhbond_nbd
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 322 Solvent Atoms 66 Heterogen Atoms
Software Software Software Name Purpose NUCLSQ refinement