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RNA Polymerase III Class III Open Mini Pre-initiation Complex 1 (OC1-mini)
Sample RNA Polymerase III Class III Open Mini Pre-initiation Complex 1 Sample Components SNAPc TFIIIB DNA RNA Polymerase III
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 15386 Reported Resolution (Å) 3.76 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 Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2500 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details FEI Titan Krios G4 (operating at 300 KeV)
EM Software Task Software Package Version CTF CORRECTION CTFFIND 4.1.4 MODEL REFINEMENT PHENIX dev_5246 INITIAL EULER ASSIGNMENT cryoSPARC 4.3.1 INITIAL EULER ASSIGNMENT RELION 4.0 FINAL EULER ASSIGNMENT cryoSPARC 4.3.1 FINAL EULER ASSIGNMENT RELION 4.0 CLASSIFICATION cryoSPARC 4.3.1 RECONSTRUCTION RELION 4.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION