6QC2

Ovine respiratory supercomplex I+III2 open class 2

ELECTRON MICROSCOPY

Sample
Ovine mitochondrial respiratory supercomplex I+III2

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	PROPANE
Sample Vitrification Details	blotting for 30 seconds at 4 degrees Celsius, 95% humidity and flash freezing

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	30836
Reported Resolution (Å)	4.2
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (1PPJ, 5LNK)
Refinement Space	REAL
Refinement Protocol	OTHER
Refinement Target
Overall B Value	90
Fitting Procedure
Details

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)	51

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification	100000
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	RELION	2
IMAGE ACQUISITION	EPU
CTF CORRECTION	Gctf
MODEL FITTING	Coot	0.8.9
INITIAL EULER ASSIGNMENT	RELION	2
FINAL EULER ASSIGNMENT	RELION	2
CLASSIFICATION	RELION	2
RECONSTRUCTION	RELION	2
MODEL REFINEMENT	PHENIX	1.13-2998

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		400000

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.