6OVH

Cryo-EM structure of Bimetallic dodecameric cage design 3 (BMC3) from cytochrome cb562


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6OT7 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.6389
f_angle_d0.8697
f_chiral_restr0.0415
f_plane_restr0.0066
f_bond_d0.0058
Sample
Bimetallic dodecameric cage 3 (BMC3)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles25391
Reported Resolution (Å)2.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryT
Map-Model Fitting and Refinement
Id1 (6OT7)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsSymmetry mates were generated from the atomic model to build the dodecameric cage. Chain IDs were re-assigned to ascend from A-L. The cage PDB was man ...Symmetry mates were generated from the atomic model to build the dodecameric cage. Chain IDs were re-assigned to ascend from A-L. The cage PDB was manually fit to the EM density map in UCSF Chimera and refined using phenix.real_space_refine
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)60
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 Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE805156