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Crystal Structure of a Complex Formed Between the DNA Holliday Junction and a Bis-Acridine Molecule.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NQS PDB ENTRY 1NQS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 291 40mM SODIUM CACODYLATE PH 7.0, 12mM SPERMINE, 10% MPD, WITH 35% MPD RESERVOIR., VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.26 45.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.224 α = 90 b = 25.142 β = 110.97 c = 37.541 γ = 90
Symmetry Space Group C 1 2 1
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 2005-02-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.806 EMBL/DESY, HAMBURG X11
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 1.75 6 86.4 0.042 13.1 2.2 4960 4045 5 5 23.7
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) 1.75 1.79 86.4 0.093 5.2 2.1 4960
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 Selection Details Mean Isotropic B X-RAY DIFFRACTION FREE R PDB ENTRY 1NQS 1.75 6 4960 4045 248 86.4 0.2769 0.2769 0.268 0.2711 0.3101 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 572
RMS Deviations Key Refinement Restraint Deviation s_similar_adp_cmpnt 0.092 s_angle_d 0.018 s_bond_d 0.016 s_anti_bump_dis_restr 0.005 s_from_restr_planes 0.0018 s_similar_dist s_zero_chiral_vol s_non_zero_chiral_vol s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 404 Solvent Atoms 129 Heterogen Atoms 40
Software Software Software Name Purpose SHELX model building SHELXL-97 refinement MAR345 data collection MOSFLM data reduction