6HWH

Structure of a functional obligate respiratory supercomplex from Mycobacterium smegmatis


ELECTRON MICROSCOPY
Sample
Respiratory Supercomplex from Mycobacterium smegmatis
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles104198
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
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement TargetCross-correlation coefficient
Overall B Value
Fitting Procedure
DetailsModel was built de novo; except for chains i,j which are polyALA homology models rigid-body docked into low resolution density.
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)43
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONCTFFIND4
MODEL FITTINGCoot0.8.9.1
MODEL FITTINGUCSF Chimera1.11.2
MODEL REFINEMENTCoot0.8.9.1
MODEL REFINEMENTPHENIX1.14-3228-000
FINAL EULER ASSIGNMENTcryoSPARC2
CLASSIFICATIONcryoSPARC2
RECONSTRUCTIONcryoSPARC2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION751329