8ZSG | pdb_00008zsg

CryoEM Helical Structure of resting KomBC complex


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.493
f_angle_d1.277
f_chiral_restr0.067
f_plane_restr0.009
f_bond_d0.008
Sample
Filament of octomeric HAM-SIR2
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles3
Reported Resolution (Å)3.66
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise47.11
Angular Rotation68.32
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION