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Fe-S cluster-bound transcription activator WhiB7 in complex with the SigmaAr4-RNAP Beta flap tip chimera
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 291 0.1 M Tris pH 8.0,
10-15% PEG8000,
2-5% PGA
Crystal Properties Matthews coefficient Solvent content 2.04 39.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.586 α = 90 b = 61.028 β = 90 c = 210.225 γ = 90
Symmetry Space Group C 2 2 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 Flat Si Rh coated M0, Kirkpatrick-Baez flat bent Si M1 & M2 2020-09-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL12-2 0.9795 SSRL BL12-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.55 50 99.3 0.115 1 40 52.1 51356 21.65
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.55 1.61 99.7 1.37 0.805 46.1
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 1.55 40.69 1.33 51241 2516 99.26 0.1849 0.1842 0.192 0.2 0.2074 Random selection 32.25
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 21.2955 f_angle_d 1.5679 f_chiral_restr 0.1201 f_bond_d 0.0144 f_plane_restr 0.0064
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2468 Nucleic Acid Atoms Solvent Atoms 334 Heterogen Atoms 16
Software Software Software Name Purpose PHENIX refinement XDS data reduction SCALA data scaling AutoSol phasing