7O3C

Murine supercomplex CIII2CIV in the mature unlocked conformation


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.9844
f_angle_d1.0579
f_chiral_restr0.0606
f_plane_restr0.008
f_bond_d0.0059
Sample
Murine full supercomplex CIII2CIV in the unlocked conformation
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles16228
Reported Resolution (Å)3.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (1NTZ, 3L75, 5IY5, 5Z62)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement TargetMAXIMAL LIKELYHOOD
Overall B Value80
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)90.66
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)400
Maximum Defocus (nm)1600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
MODEL FITTINGCoot
PARTICLE SELECTIONRELION3.1
PARTICLE SELECTIONTopaz
CTF CORRECTIONGctf
CTF CORRECTIONCTFFIND
CTF CORRECTIONRELION3.1
INITIAL EULER ASSIGNMENTRELION3.1
FINAL EULER ASSIGNMENTRELION3.1
CLASSIFICATIONRELION3.1
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1500000multiple 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