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Structure of Sen1-ADP.BeF3 bound RNA Polymerase II pre-termination complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7NKX experimental model PDB 2XZO experimental model PDB 6I59 in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.69 f_angle_d 0.383 f_chiral_restr 0.039 f_bond_d 0.002 f_plane_restr 0.002
Sample Tertiary complex of RNA Polymerase II with elongation factors Elf1, Spt4, Spt5 and the termination factor Sen1 Sample Components DNA-directed RNA polymerase II Transcription elongation factors RNA DNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 9095 Reported Resolution (Å) 4.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7NKX, 2XZO, 6I59) Refinement Space Refinement Protocol OTHER Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 40.02
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2500 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 MODEL REFINEMENT PHENIX 1.18.2_3874:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION