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Near-atomic resolution fibril structure of complete amyloid-beta(1-42) by cryo-EM
ELECTRON MICROSCOPY
Sample
Beta-amyloid protein 42 fibrils
Specimen Preparation
Sample Aggregation State
FILAMENT
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
2.5 microL sample was applied to the grid, blotted for 2.5 s before plunging.
3D Reconstruction
Reconstruction Method
HELICAL
Number of Particles
127765
Reported Resolution (Å)
4
Resolution Method
FSC 0.143 CUT-OFF
Other Details
For the even/odd test, the fibrils were split after the final reconstruction (no gold-standard). These two half sets were then refined further indepen ...
For the even/odd test, the fibrils were split after the final reconstruction (no gold-standard). These two half sets were then refined further independently for another 12 iterations.