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Cryo-EM structure of Methanoccus maripaludis archaellum
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.358 f_angle_d 0.969 f_chiral_restr 0.069 f_plane_restr 0.006 f_bond_d 0.004
Sample M.maripaludis archaellin FlaB1 filament
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 3 second blot, 3.5uL
3D Reconstruction Reconstruction Method HELICAL Number of Particles 110747 Reported Resolution (Å) 4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Axial Symmetry C1 Axial Rise 5.7 Angular Rotation 108.2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 96
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) -1500 Maximum Defocus (nm) -2500 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 105000 Calibrated Magnification 47619 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details nanoprobe, parallel beam illumination
EM Software Task Software Package Version PARTICLE SELECTION EMAN2 2.1 IMAGE ACQUISITION Leginon 3.2 CTF CORRECTION CTFFIND 4.1 MODEL FITTING Coot INITIAL EULER ASSIGNMENT SPRING 0.84 FINAL EULER ASSIGNMENT SPRING 0.84 CLASSIFICATION SPRING 0.84 RECONSTRUCTION SPRING 0.84 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION deconvolution in SPRING 110747