6FO2

CryoEM structure of bovine cytochrome bc1 with no ligand bound


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.07
f_angle_d0.988
f_chiral_restr0.045
f_bond_d0.007
f_plane_restr0.004
Sample
Bovine cytochrome bc1 in the absence of any inhibitor.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 6 seconds with a blot force of 6 before plunge-freezing
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles57571
Reported Resolution (Å)4.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)44
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification79000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION2.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONGctf
MODEL FITTINGMDFF
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTRELION2.0
FINAL EULER ASSIGNMENTRELION2.0
CLASSIFICATIONRELION2.0
RECONSTRUCTIONRELION2.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION260201