8WK3

Cryo-EM structure of the proximal rod-export apparatus and FlgF within the motor-hook complex in the CW state


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOther 
Sample
C ring-containing flagellar motor-hook complex in the CW state
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlot time: 4 Blot force: 10 Wait time: 30 Blot total: 1 Drain time: 2
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles24190
Reported Resolution (Å)3.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.1.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4.1.1
MODEL FITTINGUCSF Chimera1.17
MODEL FITTINGUCSF ChimeraX1.5
MODEL FITTINGCoot0.9.8.7
MODEL REFINEMENTPHENIX1.20.1_4487:
INITIAL EULER ASSIGNMENTcryoSPARC4.1.1
FINAL EULER ASSIGNMENTcryoSPARC4.1.1
RECONSTRUCTIONcryoSPARC4.1.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION46058Particles were manually picked using cryoSPARC