6FTG

Subtomogram average of OST-containing ribosome-translocon complexes from canine rough microsomal membranes


ELECTRON MICROSCOPY
Sample
80S ribosome from WT canine rough microsomal membranes bound to the endoplasmic reticulum protein translocon
Sample Components
Sec61 protein conducting channel
60S ribosomal subunit
Mammalian Oligosaccharyltransferase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsBlot 3 seconds before plunging.
3D Reconstruction
Reconstruction MethodSUBTOMOGRAM AVERAGING
Number of Particles17600
Reported Resolution (Å)9.1
Resolution MethodFSC 0.5 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCross-correlation coefficient
Overall B Value500
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)3000
Maximum Defocus (nm)4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
VOLUME SELECTIONPyTom
VOLUME SELECTIONTOM Toolbox
VOLUME SELECTIONAV3
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONPyTom
MODEL FITTINGUCSF Chimera
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLYOn each individual tilt image