9OBK | pdb_00009obk

A-beta42-Met-R-SO amyloidal fibril


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8EZE 
Sample
Abeta-42-Met35-(R)-SO
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles200326
Reported Resolution (Å)3.01
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC2
Axial Rise2.41
Angular Rotation179.69
Map-Model Fitting and Refinement
Id1 (8eze)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOCONTINUUM (6k x 4k)
Electron Dose (electrons/Å**2)36.61
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification135000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.7
CTF CORRECTIONcryoSPARC4.7
MODEL FITTINGCoot
MODEL REFINEMENTPHENIX1.21.2_5419
INITIAL EULER ASSIGNMENTcryoSPARC4.7
FINAL EULER ASSIGNMENTcryoSPARC4.7
CLASSIFICATIONcryoSPARC4.7
RECONSTRUCTIONcryoSPARC4.7
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION