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Structure of a parallel-stranded guanine tetraplex crystallised with monovalent ions
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 352D PDB ENTRY 352D
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 277 1.8 M lithium sulphate, 0.01 M magnesium sulphate, 0.05 M sodium cacodylate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 1.82 32.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 28.92 α = 90 b = 57.37 β = 108 c = 35.92 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 100 CCD MARRESEARCH mirrors 2006-07-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-2 0.8726 ESRF ID23-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.5 15 96.4 0.142 7.05 1.7 18195 17547 -3 12
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.5 1.59 93.4 0.227 2.71 1.7 2977
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) 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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 352D 1.5 14.68 -3 17910 17319 851 96.7 0.206 0.206 0.204 0.1954 0.257 0.2485 RANDOM 13
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] 0.26 -1.23 4.52 -4.78
RMS Deviations Key Refinement Restraint Deviation c_mcbond_it 8.2 c_mcangle_it 3.42 c_angle_deg 1.6 c_improper_angle_d 1.53 c_bond_d 0.013 c_dihedral_angle_d c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 1000 Solvent Atoms 228 Heterogen Atoms 8
Software Software Software Name Purpose CNS refinement PDB_EXTRACT data extraction ProDC data collection XDS data reduction XSCALE data scaling AMoRE phasing