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RNA polymerase II on Super pause sequence in the pre-translocated state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8A40
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.434 f_angle_d 0.509 f_chiral_restr 0.041 f_bond_d 0.004 f_plane_restr 0.004
Sample RNA polymerase II paused elongation complex
Specimen Preparation Sample Aggregation State 2D ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 23701 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (8A40) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50.5
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 250 Maximum Defocus (nm) 2250 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.7.0 MODEL FITTING Coot 1.1.08 MODEL REFINEMENT PHENIX 1.21.2_5419 RECONSTRUCTION cryoSPARC 4.7
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION