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Population B fibril generated from the Heterotypic interaction of Abeta40 and Medin.
Sample In vitro assembled, recombinantly purified Amyloid Beta 40 peptide in co-aggregation with synthetically produced Medin.
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument GATAN CRYOPLUNGE 3 Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 20491 Reported Resolution (Å) 2.63 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 4.775 Angular Rotation 2.852
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model JEOL CRYO ARM 300 Minimum Defocus (nm) 500 Maximum Defocus (nm) 1500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.55 Imaging Mode BRIGHT FIELD Specimen Holder Model JEOL CRYOSPECPORTER Nominal Magnification 60000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND 4 MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION