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X-ray crystal structure of bacterial RNA polymerase and pyrG promoter complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4Q4Z
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 298 0.1 M Tris-HCl (pH 8), 0.2M KCl, 50 mM MgCl2, 9.5 % PEG4000
Crystal Properties Matthews coefficient Solvent content 3.12 60.55
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 183.18 α = 90 b = 103.474 β = 99.14 c = 294.444 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 PIXEL DECTRIS PILATUS 6M 2015-12-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE F1 0.98 CHESS F1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 30 98.2 8.6 3.3 132496
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 4Q4Z 2.8 29.737 1.34 131509 2000 98.15 0.1927 0.192 0.1932 0.2356 0.2343
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 25.531 f_angle_d 1.476 f_chiral_restr 0.088 f_bond_d 0.014 f_plane_restr 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 27608 Nucleic Acid Atoms 819 Solvent Atoms Heterogen Atoms 5
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing