6YEJ

Cryo-EM structure of the Full-length disease type human Huntingtin


ELECTRON MICROSCOPY
Sample
Full-length human disease-type huntingtin
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK II
Cryogen NameETHANE
Sample Vitrification Details30 seconds incubation 8 seconds blotting
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles21781
Reported Resolution (Å)18.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6EZ8)
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)33.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)400
Maximum Defocus (nm)400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification47170
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.0
INITIAL EULER ASSIGNMENTRELION2.1
FINAL EULER ASSIGNMENTRELION2.1
CLASSIFICATIONRELION2.1
RECONSTRUCTIONRELION2.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION45039manual picking