6EHL

Model of the Ebola virus nucleoprotein in recombinant nucleocapsid-like assemblies


ELECTRON MICROSCOPY
Sample
Ebola virus - Mayinga, Zaire, 1976
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentFEI VITROBOT MARK II
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSUBTOMOGRAM AVERAGING
Number of Particles1
Reported Resolution (Å)6.6
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsLocal resolution was estimated using moving window FSC calculations.
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsCrystal structure was rigid-body fitted into density using Chimera. Missing regions of the structure was built using ideal secondary structures in coo ...Crystal structure was rigid-body fitted into density using Chimera. Missing regions of the structure was built using ideal secondary structures in coot. These were then flexibly fit using MDFF and NAMD.
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)2.4
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)2000
Maximum Defocus (nm)4500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
VOLUME SELECTIONAmira4
VOLUME SELECTIONTOM Toolbox
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND4
CTF CORRECTIONCTFPHASEFLIP
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTCoot
MODEL REFINEMENTNAMD
FINAL EULER ASSIGNMENTAV3
RECONSTRUCTIONAV3
MODEL REFINEMENTMDFF
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLYCTF amplitude correction was performed during the wedge-weighted subtomogram averaging step.