3J9X

A Virus that Infects a Hyperthermophile Encapsidates A-Form DNA


ELECTRON MICROSCOPY
Sample
Sulfolobus islandicus rod-shaped virus 2
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsPlunged into liquid ethane (FEI VITROBOT MARK IV).
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details(Helical Details: IHRSR)
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise2.9
Angular Rotation24.5
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2014-09-19
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
multiply images by CTF, divide reconstruction by sum of CTF**2