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Cryo-EM structure of bacterial RNAP with a DNA mimic protein Ocr from T7 phage
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.936 f_angle_d 0.826 f_chiral_restr 0.051 f_plane_restr 0.006 f_bond_d
Sample Structural basis of transcription inhibition by the DNA mimic Ocr protein of bacteriophage T7 Sample Components DNA-directed RNA polymerase Ocr (Overcome classical restriction)
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 27312 Reported Resolution (Å) 3.8 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 REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 49.53
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) -1.2 Maximum Defocus (nm) -3 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 FITTING UCSF Chimera 1.9 MODEL FITTING Coot 8.03 MODEL REFINEMENT PHENIX 1.10.1 MODEL REFINEMENT CCP4 package 7
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 753783