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Mycobacterium tuberculosis RNA polymerase transcription initiation complex with ECF sigma factor sigma H and 7nt RNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5TW1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 295 2% Tacsimate pH 5.0, 0.1 M Sodium citrate pH5.6, 16 % PEG3350
Crystal Properties Matthews coefficient Solvent content 2.79 55.84
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 129.824 α = 90 b = 164.027 β = 90 c = 214.792 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 EIGER X 16M 2017-12-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U1 0.97918 SSRF BL17U1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 2.8 50 99.8 0.164 0.175 0.059 6.9 8.5 113375 60.59
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.85 99.5 1.43 1.524 0.518 0.547 8.4
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 THROUGHOUT 5TW1 2.8 36.941 1.33 112969 2283 99.78 0.2207 0.22 0.2202 0.2546 0.2565 66.0881
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 18.183 f_angle_d 0.621 f_chiral_restr 0.044 f_bond_d 0.005 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 23744 Nucleic Acid Atoms 2065 Solvent Atoms 47 Heterogen Atoms 2
Software Software Software Name Purpose PHENIX refinement HKL-2000 data scaling PDB_EXTRACT data extraction HKL-2000 data reduction PHENIX phasing