6EF8

Cryo-EM of the OmcS nanowires from Geobacter sulfurreducens


ELECTRON MICROSCOPY
Sample
Filament of OmcS protein
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles28293
Reported Resolution (Å)3.7
Resolution MethodOTHER
Other DetailsModel:Map FSC 0.38 cutoff
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise46.7
Angular Rotation-83.1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolBACKBONE TRACE
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)2.3
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
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
PARTICLE SELECTIONEMAN2
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND
RECONSTRUCTIONSPIDER
MODEL REFINEMENTRosetta
MODEL REFINEMENTPHENIX
MODEL REFINEMENTCoot
MODEL REFINEMENTUCSF Chimera
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION