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Calcium(II) and copper(II) bound to the Z-DNA form of d(CGCGCG), complexed by L-lactate and succinate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2DCG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICROBATCH 6 296 1.2 mM d(CG)3, 1.2 mM di copper complex, 0.25 M MES pH 6, 25 mM Ca(lactate)2, 2.5% EtOAc
Crystal Properties Matthews coefficient Solvent content 2 38.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 27.487 α = 90 b = 35.576 β = 107.5 c = 31.044 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 183 IMAGE PLATE STOE 2005-11-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE Long fine focus 1.54
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 1.57 26.215 97.9 0.069 16.51 6.8 7934 4 2
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 1.57 1.7 89 0.1736 3.77 2.96
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2DCG 1.57 26.215 1.39 7934 408 97.9 0.162 0.1605 0.1614 0.19 0.1888
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 f_dihedral_angle_d 29.428 f_angle_d 1.048 f_chiral_restr 0.054 f_bond_d 0.007 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 480 Solvent Atoms 133 Heterogen Atoms 26
Software Software Software Name Purpose PHENIX refinement X-Area data reduction XSCALE data scaling SHELXS phasing