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Cryo-EM structure of in-vitro alpha-synuclein fibril bound with Exemplar-6 PET-radioligand
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9CK3
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 9.657 f_angle_d 0.336 f_chiral_restr 0.052 f_bond_d 0.001 f_plane_restr 0.001
Sample alpha-synuclein fibril with Exemplar-6 PET-radioligand
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 64493 Reported Resolution (Å) 2.59 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 9.65 Angular Rotation -2.28
Map-Model Fitting and Refinement Id 1 (9CK3) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 40
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 UCSF ChimeraX MODEL FITTING Coot RECONSTRUCTION RELION MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION