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X-Ray Crystal Structure of the hexamer DCACACG:Crystal grown in the presence of cobalt(III)hexammine Chloride.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other coordinates of d(CGCGCG)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.99 300 cobalt(III)hexammine chloride,spermine and 50% MPD, pH 6.99, VAPOR DIFFUSION, HANGING DROP, temperature 300K
Crystal Properties Matthews coefficient Solvent content 1.67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 17.854 α = 90 b = 43.44 β = 119.87 c = 17.847 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 300 IMAGE PLATE MARRESEARCH 2006-10-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300 1.5418
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 2.05 15 92.1 0.027 11.7 2.73 1384 1384
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) 2.05 2.13 94.5 0.1984 2.5 2.74 120
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT Fiber model of Z-DNA 2.05 14.58 1314 66 92.8 0.23663 0.23507 0.243 0.26375 0.2066 RANDOM 34.975
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] -0.15 0.03 0.05 0.13
RMS Deviations Key Refinement Restraint Deviation r_angle_refined_deg 6.407 r_symmetry_hbond_refined 0.582 r_nbtor_refined 0.424 r_symmetry_vdw_refined 0.398 r_xyhbond_nbd_refined 0.345 r_nbd_refined 0.296 r_bond_refined_d 0.042 r_gen_planes_refined 0.024
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 240 Solvent Atoms 20 Heterogen Atoms
Software Software Software Name Purpose MAR345dtb data collection AMoRE phasing REFMAC refinement AUTOMAR data reduction SCALEPACK data scaling