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X-ray crystal structure of Escherichia coli RNA polymerase and DksA/ppGpp complex
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 300 0.1 M HEPES (pH 7.0), 0.2 M calcium acetate, 25 % PEG400, 10 mM DTT
Crystal Properties Matthews coefficient Solvent content 3.19 61.46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 187.274 α = 90 b = 205.259 β = 90 c = 311.313 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 100 PIXEL DECTRIS PILATUS 6M 2017-01-27 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) Rpim I (All) 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 4.3 50 95.6 0.058 12.2 6.8 78563
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 4.3 4.37 95.3 0.718
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 MIR FREE R-VALUE 4.295 46.819 1.33 148103 3794 93.72 0.2216 0.2206 0.2263 0.2594 0.2586
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 17.969 f_angle_d 1.077 f_chiral_restr 0.053 f_bond_d 0.005 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 57528 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 115
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing