8GYM

Cryo-EM structure of Tetrahymena thermophila respiratory mega-complex MC IV2+(I+III2+II)2


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.1596
f_angle_d0.4561
f_chiral_restr0.0395
f_plane_restr0.0035
f_bond_d0.0022
Sample
Tetrahymena thermophila respiratory mega-complex MC (IV2+I+III2+II)2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles97688
Reported Resolution (Å)2.96
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)61.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification140000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO1.6.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGPHENIX1.20.1
MODEL FITTINGCoot0.9.6
INITIAL EULER ASSIGNMENTcryoSPARCv3.3.2
FINAL EULER ASSIGNMENTcryoSPARCv3.3.2
CLASSIFICATIONcryoSPARCv3.3.2
RECONSTRUCTIONcryoSPARCv3.3.2
MODEL REFINEMENTPHENIX1.20.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1220892