☰ Navigation Tabs
Cryo-EM structure of EcmrR-RNAP-promoter initial transcribing complex with 3-nt RNA transcript (EcmrR-RPitc-3nt)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6OUL
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.19 f_angle_d 0.887 f_chiral_restr 0.057 f_bond_d 0.008 f_plane_restr 0.006
Sample EcmrR-RNAP-promoter initial transcribing complex with 3-nt RNA transcript (EcmrR-RPitc-3nt)
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 110796 Reported Resolution (Å) 2.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6OUL) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 30
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 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 Gautomatch 0.56 IMAGE ACQUISITION EPU CTF CORRECTION RELION 3.1 MODEL FITTING ISOLDE MODEL REFINEMENT PHENIX 1.16 RECONSTRUCTION cryoSPARC 2.14
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 446920