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CRYSTAL STRUCTURE ANALYSIS OF THE POTASSIUM FORM OF B-DNA DODECAMER CGCGAATTCGCG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 295 MgCl2, Potassium Cacodylate, Spermine, MPD, DNA. pH 6.5, VAPOR DIFFUSION,
SITTING DROP at 295K, VAPOR DIFFUSION, SITTING DROP
Crystal Properties Matthews coefficient Solvent content 2.28 45.97
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 25.588 α = 90 b = 40.818 β = 90 c = 66.673 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 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X26C NSLS X26C
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 1.2 10 19368
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION AB INITIO FREE R 1.2 10 19368 19368 1933 86 0.1392 0.141 0.152 0.215 0.1682 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 272 678
RMS Deviations Key Refinement Restraint Deviation s_angle_d 0.037 s_from_restr_planes 0.0232 s_bond_d 0.016 s_non_zero_chiral_vol 0.015 s_similar_dist s_zero_chiral_vol s_anti_bump_dis_restr s_rigid_bond_adp_cmpnt s_similar_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 486 Solvent Atoms 181 Heterogen Atoms 14
Software Software Software Name Purpose SHELXS phasing SHELXL-97 refinement DENZO data reduction SCALEPACK data scaling