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Cryo-EM structure of HK022 putRNA-associated E.coli RNA polymerase elongation complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6C6T
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.378 f_angle_d 0.892 f_chiral_restr 0.053 f_bond_d 0.009 f_plane_restr 0.006
Sample HK022 putRNA-associated E.coli RNA polymerase elongation complex Sample Components RNA polymerase DNA/RNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details using two layers of blot papers
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 120100 Reported Resolution (Å) 3.17 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6C6T) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 42.16
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 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 3.3.1 PARTICLE SELECTION cryoSPARC 3.3.1 IMAGE ACQUISITION EPU CTF CORRECTION Gctf MODEL FITTING Coot 0.9 MODEL REFINEMENT PHENIX 1.19.2 INITIAL EULER ASSIGNMENT cryoSPARC 3.3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION RECONSTRUCTION RELION 3.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 411900