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B. subtilis RNA Polymerase delta omega variant with SigA
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 19.096 f_angle_d 0.482 f_chiral_restr 0.039 f_plane_restr 0.004 f_bond_d 0.003
Sample Bacillus subtilis open promoter complex with SigA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 82187 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value 115.8 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 42
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 96000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.4.0 MODEL REFINEMENT PHENIX 1.21.2_5419 CTF CORRECTION cryoSPARC 4.4.0 INITIAL EULER ASSIGNMENT cryoSPARC 4.4.0 FINAL EULER ASSIGNMENT cryoSPARC 4.4.0 CLASSIFICATION cryoSPARC 4.4.0 RECONSTRUCTION cryoSPARC 4.4.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 727840