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Unphosphorylated STAT3B core protein binding to dsDNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BG1 PDB ENTRY 1BG1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 277 0.005M MgSO4, 0.1M ammonium acetate, 10% glycerol, 0.05M MES pH 5.6, 0.25M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.79 67.58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 174.14 α = 90 b = 174.14 β = 90 c = 79.29 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 2M 2011-04-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04-1 0.91730 Diamond I04-1
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 2.58 72.16 97.6 0.056 15.2 4.7 36458 36458 2 75.03
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 2.58 2.65 99.3 0.527 2.3 4.5 2721
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 (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 1BG1 2.585 14.98 34413 34413 1810 97.08 0.22778 0.22532 0.2242 0.27332 0.271 RANDOM 68.881
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] -0.01 -0.01 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 28.652 r_dihedral_angle_4_deg 11.673 r_dihedral_angle_3_deg 10.974 r_dihedral_angle_1_deg 2.203 r_angle_refined_deg 1.732 r_chiral_restr 0.126 r_bond_refined_d 0.009 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4499 Nucleic Acid Atoms 360 Solvent Atoms 139 Heterogen Atoms
Software Software Software Name Purpose DNA data collection PHASER phasing REFMAC refinement xia2 data reduction SCALA data scaling