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Mycobacterium tuberculosis RNA polymerase sigma A holoenzyme open promoter complex containing UMN-7
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5UHA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.2 296 20 mM Tris-HCl, pH 8.2, 200 mM potassium chloride, 20 mM magnesium chloride, 7% (m/v) PEG-3350
Crystal Properties Matthews coefficient Solvent content 2.73 54.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 149.482 α = 90 b = 161.445 β = 90 c = 196.603 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 2021-01-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL12-2 1.00 SSRL BL12-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 3.87 50 98.96 0.972 9.04 9.1 44566 152.21
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.87 3.94 0.38
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 5UHA 3.87 48.3 1.33 44566 1985 98.96 0.2417 0.24 0.2386 0.2781 0.2725 187.97
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 14.0854 f_angle_d 1.1248 f_chiral_restr 0.043 f_bond_d 0.0066 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 25200 Nucleic Acid Atoms 656 Solvent Atoms Heterogen Atoms 69
Software Software Software Name Purpose PHENIX refinement PHENIX refinement HKL-3000 data reduction SCALEPACK data scaling PHENIX phasing