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Cryo-EM structure of the receptor-bound amyloid-beta 42 oligomer from human brain tissue (Conformation 1)
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.407 f_angle_d 0.687 f_chiral_restr 0.067 f_bond_d 0.009 f_plane_restr 0.002
Sample Receptor bound Amyloid-beta 42 oligomer from human brain tissue (Conformation 1)
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument Cryogen Name NITROGEN Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 160787 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 2.355 Angular Rotation 178.164
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value 91.7 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 41
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1250 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 4.0 IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND 4.1 MODEL FITTING UCSF Chimera 1.12 MODEL FITTING Coot 0.8.9.1 INITIAL EULER ASSIGNMENT RELION 4.0 FINAL EULER ASSIGNMENT RELION 4.0 CLASSIFICATION RELION 4.0 MODEL REFINEMENT PHENIX 1.20.1_4487:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 604506