8B3A

catalytic amyloid fibril formed by Ac-LHLHLRL-amide


ELECTRON MICROSCOPY
Sample
catalytic amyloid
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles38413
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC2
Axial Rise4.75
Angular Rotation-0.56
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolBACKBONE TRACE
Refinement Targetcorrelation coefficient
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONGctf
MODEL FITTINGCoot0.8.9
MODEL REFINEMENTPHENIX1.16-3549
CLASSIFICATIONRELION3.0.4
RECONSTRUCTIONRELION3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION38413