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Crystal structure of a dimeric interlocked parallel G-quadruplex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7XDH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 0.08 M Strontium chloride hexahydrate, 0.02 M Magnesium chloride hexahydrate, 0.04 M Sodium cacodylate trihydrate pH 7.0, 20% v/v (+/-)-2-Methyl-2,4-pentanediol, 0.012 M Spermine tetrahydrochloride
Crystal Properties Matthews coefficient Solvent content 2.06 40.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 26.436 α = 62.147 b = 30.341 β = 79.962 c = 30.35 γ = 79.967
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 90 PIXEL DECTRIS EIGER X 16M 2022-03-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 0.953659 Australian Synchrotron MX2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 1.586 20.33 94.6 0.996 8.91 3.5 9790 28.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.586 1.642 0.922
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 7XDH 1.63 20.33 1.96 9706 1876 91.83 0.2271 0.2248 0.2252 0.2466 0.2469 47.64
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 34.6109 f_angle_d 0.9509 f_chiral_restr 0.0448 f_bond_d 0.0082 f_plane_restr 0.0059
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 680 Solvent Atoms 41 Heterogen Atoms 9
Software Software Software Name Purpose PHENIX refinement XDS data scaling PHENIX phasing