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Murine full supercomplex CIII2CIV in the unlocked conformation
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
16228
Reported Resolution (Å)
3.3
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Point Symmetry
C1
Map-Model Fitting and Refinement
Id
1 (1NTZ, 3L75, 5IY5, 5Z62)
Refinement Space
REAL
Refinement Protocol
OTHER
Refinement Target
MAXIMAL LIKELYHOOD
Overall B Value
80
Fitting Procedure
Details
Data Acquisition
Detector Type
FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)
90.66
Imaging Experiment
1
Date of Experiment
Temperature (Kelvin)
Microscope Model
FEI TITAN KRIOS
Minimum Defocus (nm)
400
Maximum Defocus (nm)
1600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
2.7
Imaging Mode
BRIGHT FIELD
Specimen Holder Model
FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
75000
Calibrated Magnification
Source
FIELD EMISSION GUN
Acceleration Voltage (kV)
300
Imaging Details
EM Software
Task
Software Package
Version
IMAGE ACQUISITION
EPU
MODEL FITTING
Coot
PARTICLE SELECTION
RELION
3.1
PARTICLE SELECTION
Topaz
CTF CORRECTION
Gctf
CTF CORRECTION
CTFFIND
CTF CORRECTION
RELION
3.1
INITIAL EULER ASSIGNMENT
RELION
3.1
FINAL EULER ASSIGNMENT
RELION
3.1
CLASSIFICATION
RELION
3.1
RECONSTRUCTION
RELION
3.1
MODEL REFINEMENT
PHENIX
Image Processing
CTF Correction Type
CTF Correction Details
Number of Particles Selected
Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION
1500000
multiple rounds of picking and classification performed, first with Relion LoG and then with Topaz, to extract the best particles from the non-pure starting material