5UOT

CryoEM structure of the helical assembly of full length MxB


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4WHJ 
Sample
helical assembly of MBP fusion of MxB
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles44955
Reported Resolution (Å)4.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise8.25
Angular Rotation58.4
Map-Model Fitting and Refinement
Id1 (4WHJ)2 (4WHJ)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)1000
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification93000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONEMAN2.0
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONGctf0.5
MODEL FITTINGMDFF2.1
MODEL REFINEMENTMDFF3.0
CLASSIFICATIONRELION2.0 beta
RECONSTRUCTIONRELION2.0 beta
MODEL FITTINGNAMD
MODEL FITTINGRosetta
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION51553