8EHT

Cryo-EM reconstruction of the CS20 bacterial adhesion pili


ELECTRON MICROSCOPY
Sample
CS20 bacterial adhesion pili
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles88048
Reported Resolution (Å)3.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise8.953
Angular Rotation111.84
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)53.62
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)3000
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
PARTICLE SELECTIONRELION3.1.1
IMAGE ACQUISITIONLeginon
CTF CORRECTIONCTFFIND4.0
MODEL FITTINGUCSF Chimera1.14
MODEL FITTINGPHENIX1.18
INITIAL EULER ASSIGNMENTRELION3.1.1
FINAL EULER ASSIGNMENTRELION3.1.1
RECONSTRUCTIONRELION
MODEL REFINEMENTPHENIX1.18
MODEL REFINEMENTISOLDE1.4
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION9590890