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A FliPQR complex forms the core of the Salmonella type III secretion system export apparatus.
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.615 f_angle_d 1.175 f_chiral_restr 0.054 f_bond_d 0.01 f_plane_restr 0.008
Sample Complex of the flagellar type III secretion system export apparatus components FliP, FliQ and FliR
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 97718 Reported Resolution (Å) 4.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 47 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 4000 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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Gautomatch CTF CORRECTION CTFFIND 4.1.8 MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT RELION 2.0 FINAL EULER ASSIGNMENT RELION 2.0 RECONSTRUCTION RELION 2.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION