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CRYSTAL STRUCTURE OF DNA SHEARED TANDEM G-A BASE PAIRS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1D9R PDB STRUCTURE 1D9R
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 MPD, MGCL2, TRIS, SPERMINE, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.76 29.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 20.95 α = 90 b = 61.86 β = 90 c = 68.49 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 IMAGE PLATE RIGAKU RAXIS IIC 1996-06-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 1.6 20 94.8 0.075 19.2 2.61 5771 5771 32.7
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) 1.6 1.66 93.7 0.445 3.8 2.1
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 (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB STRUCTURE 1D9R 1.6 20 5771 5409 291 98.4 0.196 0.191 0.2056 0.266 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]
RMS Deviations Key Refinement Restraint Deviation s_anti_bump_dis_restr 0.072 s_from_restr_planes 0.067 s_similar_adp_cmpnt 0.066 s_angle_d 0.025 s_bond_d 0.009 s_similar_dist s_zero_chiral_vol s_non_zero_chiral_vol s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 412 Solvent Atoms 77 Heterogen Atoms 34
Software Software Software Name Purpose X-PLOR model building SHELXL-97 refinement d*TREK data scaling X-PLOR phasing