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Structure of Francisella tularensis heterodimeric SspA (MglA-SspA) in complex with ppGpp
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4PUR 4PUR, 1YY7 experimental model PDB 1YY7 4PUR, 1YY7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 295 TRIS pH 8.5, PEG3350, ppGpp, magnesium chloride
Crystal Properties Matthews coefficient Solvent content 2.38 48.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.62 α = 90 b = 111.56 β = 90 c = 141.51 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 80 PIXEL DECTRIS PILATUS3 6M 2016-06-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1 ALS 5.0.2
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 2.8 87.61 100 0.14 7.8 5.4 23247
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.95 100 0.874 0.404 2 5.5
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 4PUR, 1YY7 2.8 87.61 1.34 23184 1188 99.87 0.2151 0.2124 0.2118 0.2648 0.2647
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 13.054 f_angle_d 0.526 f_chiral_restr 0.039 f_plane_restr 0.004 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6184 Nucleic Acid Atoms Solvent Atoms 43 Heterogen Atoms 136
Software Software Software Name Purpose PHENIX refinement iMOSFLM data reduction SCALA data scaling PHASER phasing