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Cryo-electron microscopic structure of the dihydrolipoamide succinyltransferase (E2) component of the human alpha-ketoglutarate (2-oxoglutarate) dehydrogenase complex [residues 218-453]
ELECTRON MICROSCOPY
Sample
Affinity purified human dihydrolipoamide succinyltransferase
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
740101
Reported Resolution (Å)
2.9
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Point Symmetry
O
Map-Model Fitting and Refinement
Id
1
Refinement Space
Refinement Protocol
RIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
COOT was used for structure manipulations, while MOLPROBITY was applied for validation.
Data Acquisition
Detector Type
FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)
48.8
Imaging Experiment
1
Date of Experiment
Temperature (Kelvin)
Microscope Model
FEI TITAN KRIOS
Minimum Defocus (nm)
1000
Maximum Defocus (nm)
3000
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)
300
Imaging Details
EM Software
Task
Software Package
Version
PARTICLE SELECTION
cryoSPARC
MODEL FITTING
UCSF Chimera
MODEL REFINEMENT
PHENIX
CLASSIFICATION
cryoSPARC
RECONSTRUCTION
cryoSPARC
Image Processing
CTF Correction Type
CTF Correction Details
Number of Particles Selected
Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION
1533026
Manual picking for the templates was performed by the EMAN2 E2boxer program. Automated selection was then applied by CryoSPARC.