6H5Q

Cryo-EM structure of in vitro assembled Measles virus N into nucleocapsid-like particles (NCLPs) bound to polyA RNA hexamers.


ELECTRON MICROSCOPY
Sample
Measles virus Nucleoprotein assembled into nucleocapsid-like particles (NCLPs) bound to polyA RNA hexamers.
Sample Components
Measles virus Nucleoprotein
polyA RNA
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles111582
Reported Resolution (Å)3.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise3.920265781
Angular Rotation-29.17105583
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)30
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)0.8
Maximum Defocus (nm)3
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification23000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION2.1
IMAGE ACQUISITIONLatitudeS
CTF CORRECTIONGctf
INITIAL EULER ASSIGNMENTSPRING
FINAL EULER ASSIGNMENTRELION2.1
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION111582