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 9SLC | pdb_00009slc

Closed conformation dome complex including the Sec-translocon (SecYEG-SecA-SecDF) in untreated Mycoplasma pneumoniae cells


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 
Sample
Closed conformation dome complex including the Sec-translocon (SecYEG-SecA-SecDF) in untreated Mycoplasma pneumoniae cells
Specimen Preparation
Sample Aggregation StateCELL
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsBack-side blotting for 2-3 seconds before plunging using a manual plunger without an environmental chamber.
3D Reconstruction
Reconstruction MethodSUBTOMOGRAM AVERAGING
Number of Particles11557
Reported Resolution (Å)9.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsFitting was performed using PowerFit and Fit-in-map in ChimeraX
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)2.9
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1500
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
VOLUME SELECTIONWarp2.0.0
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONWarp2.0.0
MODEL FITTINGPowerFit
MODEL FITTINGUCSF ChimeraX
FINAL EULER ASSIGNMENTWarp2.0.0
CLASSIFICATIONRELION4.0.1
RECONSTRUCTIONWarp2.0.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION