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SELF-ASSOCIATION OF A DNA LOOP CREATES A QUADRUPLEX: CRYSTAL STRUCTURE OF D(GCATGCT) AT 1.8 ANGSTROMS RESOLUTION
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.8 pH 6.80, VAPOR DIFFUSION, SITTING DROP
Crystal Properties Matthews coefficient Solvent content 1.93 36.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 22.52 α = 90 b = 59.37 β = 90 c = 24.35 γ = 90
Symmetry Space Group C 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 279 DIFFRACTOMETER SYNTEX P21
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) 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 1.8 7 1579 96 0.214 0.214 0.2123
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 140 Solvent Atoms 48 Heterogen Atoms 2
Software Software Software Name Purpose X-PLOR refinement NUCLSQ refinement