7OE2

Model of closed pentamer of the Haliangium ochraceum encapsulin from symmetry expansion of icosahedral single particle reconstruction


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.853
f_angle_d0.675
f_chiral_restr0.054
f_bond_d0.006
f_plane_restr0.005
Sample
Ternary complex of Haliangium ochraceum encapsulin and encapsulated ferritin proteins
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot force -5, wait time 10 seconds and blot time of 3 seconds
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles4734551
Reported Resolution (Å)2.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCC
Overall B Value86
Fitting Procedure
DetailsInitial fitting performed using chimera with real space refinement in Phenix.
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)40.509
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 CS
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
PARTICLE SELECTIONRELION3.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4
CTF CORRECTIONRELION3.1
MODEL FITTINGUCSF Chimera1.1.1
MODEL REFINEMENTPHENIX1.18
INITIAL EULER ASSIGNMENTRELION3.1
FINAL EULER ASSIGNMENTRELION3.1
CLASSIFICATIONRELION3.1
RECONSTRUCTIONRELION3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONCTF correction after motion correction followed by CFT refinement after 3D Refinement.340403