6QN1

T=4 quasi-symmetric bacterial microcompartment particle


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4N8X 
experimental modelPDB 4QIV 
Sample
T=4 quasi-symmetric bacterial microcompartment particle
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification Detailsblot for 4 seconds before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles45915
Reported Resolution (Å)3.28
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (4N8X, 4QIV)
Refinement SpaceRECIPROCAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value149.892
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)-1400
Maximum Defocus (nm)-3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification120000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONRELION3.0
MODEL FITTINGUCSF Chimera1.13.1
INITIAL EULER ASSIGNMENTRELION3.0
FINAL EULER ASSIGNMENTRELION3.0
CLASSIFICATIONRELION3.0
RECONSTRUCTIONRELION3.0
MODEL REFINEMENTREFMAC5.8.0238
MODEL REFINEMENTPHENIX1.16-3549
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION62533