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The structure of a three-way DNA junction in complex with a metallo-supramolecular helicate reveals a new target for drugs
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 298 0.08M Mg acetate, 0.05M TrisCl, pH 8.5, 5% PEG400, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 3.98 69.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 71.2 α = 90 b = 71.2 β = 90 c = 71.2 γ = 90
Symmetry Space Group P 41 3 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MARRESEARCH mirrors 2003-09-18 M MAD 2 1 x-ray 100 CCD ADSC QUANTUM 4 mirrors 2003-12-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM16 1.739, 1.749, 1.627 ESRF BM16 2 SYNCHROTRON ESRF BEAMLINE ID14-2 0.933 ESRF ID14-2
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 1.7 22.8 99.2 0.0537 29.1 50 7149 7149 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1,2 1.7 97.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) 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 MAD THROUGHOUT 1.7 22.5 4 4 7149 6182 325 0.26 0.258 0.256 0.2598 0.291 random 23.45
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_similar_dist 0.055 s_from_restr_planes 0.041 s_similar_adp_cmpnt 0.025 s_angle_d 0.022 s_bond_d 0.008 s_non_zero_chiral_vol 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 239 Solvent Atoms 45 Heterogen Atoms 151
Software Software Software Name Purpose ProDC data collection XDS data reduction SHELXDE phasing SHELXL-97 refinement XDS data scaling SHELXD phasing SHELXE model building