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Cryo EM structure of the conjugative relaxase TraI of the F/R1 plasmid system
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.048 f_angle_d 1.242 f_chiral_restr 0.065 f_bond_d 0.008 f_plane_restr 0.007
Sample TraI-22mer complex Sample Components TraI protein 22-mer DNA/RNA hybrid
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details blot time 4 sec force 1
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 184451 Reported Resolution (Å) 3.9 Resolution Method FSC 0.143 CUT-OFF Other Details Relion automatic procedure Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details Please see article for details of model building and refinement
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 2.5
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3500 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 130000 Calibrated Magnification 47619 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Gautomatch IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4 MODEL FITTING UCSF Chimera INITIAL EULER ASSIGNMENT RELION 2.0 FINAL EULER ASSIGNMENT RELION 2.0 CLASSIFICATION RELION 2.0 RECONSTRUCTION RELION 2.0 MODEL REFINEMENT PHENIX 1.11.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Done within relion software 830000