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Caulobacter crescentus FljN flagellar filament (symmetrized)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold AF-O52530-F1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.285 f_angle_d 0.686 f_chiral_restr 0.05 f_bond_d 0.008 f_plane_restr 0.005
Sample FljN flagellar filament (symmetrized)
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 131070 Reported Resolution (Å) 2.22 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 4.778 Angular Rotation 65.923
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol Refinement Target Overall B Value 67 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 55
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU MODEL FITTING Coot MODEL FITTING UCSF ChimeraX RECONSTRUCTION cryoSPARC 4.4 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION