ELECTRON MICROSCOPY

Sample

subtomogram average of ordered protein arrays on the axoneme-facing surface of the outer mitochondrial membrane in pig sperm mitochondria (alignment focused on one unit)

Specimen Preperation
Sample Aggregation State CELL
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SUBTOMOGRAM AVERAGING
Number of Particles 536
Reported Resolution (Å) 35
Resolution Method FSC 0.5 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details Homology models of pig glycerol kinase and VDAC2 were made using Robetta. Rigid body fitting was done with Chimera/ChimeraX. Putative GK proteins only fit in one orientation, but for VDAC proteins the rotation around the pore axis remains ambiguous.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 1.3
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
VOLUME SELECTION PEET 1.13.0
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION IMOD 4.10.25
MODEL FITTING UCSF Chimera ?
FINAL EULER ASSIGNMENT PEET 1.13.0
RECONSTRUCTION PEET 1.13.0
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING ONLY ?
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