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CryoEM characterization of BrxL -- a unique AAA+ phage restriction Factor.
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.46 f_angle_d 0.644 f_chiral_restr 0.043 f_plane_restr 0.005 f_bond_d 0.004
Sample dimer of heptamer complex of BrxL
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 89373 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C7
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type DIRECT ELECTRON DE-10 (5k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 1200 Maximum Defocus (nm) 5000 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 38000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.3.2 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3.3.2 MODEL FITTING UCSF Chimera MODEL REFINEMENT Coot 9.03 INITIAL EULER ASSIGNMENT cryoSPARC 3.3.2 CLASSIFICATION cryoSPARC 3.3.2 RECONSTRUCTION cryoSPARC 3.3.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 96079