6TZ5

CryoEM reconstruction of membrane-bound ESCRT-III filament composed of CHMP1B+IST1 (left-handed)


ELECTRON MICROSCOPY
Sample
membrane-bound ESCRT-III copolymer filament composed of CHMP1B and IST1
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification DetailsGrids were blotted with Whatman No. 1 filter paper for 4-8 seconds with a 0 mm offset at 19C and 100 percent humidity before plunging into liquid etha ...Grids were blotted with Whatman No. 1 filter paper for 4-8 seconds with a 0 mm offset at 19C and 100 percent humidity before plunging into liquid ethane
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles73749
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise3.06
Angular Rotation-20.77
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)44
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
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
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTRELION
FINAL EULER ASSIGNMENTRELION
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION