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Type II alpha-synuclein filament amplified from EV extraction buffer as a blank control for One-Spin RT-QuIC
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.285 f_angle_d 0.647 f_chiral_restr 0.052 f_bond_d 0.003 f_plane_restr 0.002
Sample Alpha synuclein amyloid filaments
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 31970 Reported Resolution (Å) 3.55 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 2.38 Angular Rotation 179.64
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2100 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION MODEL REFINEMENT PHENIX 1.21_5207 RECONSTRUCTION PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION