3CNF

3.88 Angstrom structure of cytoplasmic polyhedrosis virus by cryo-electron microscopy


ELECTRON MICROSCOPY
Sample
CYTOPLASMIC POLYHEDROSIS VIRUS
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsPLUNGED INTO LIQUID ETHANE
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles12814
Reported Resolution (Å)3.88
Resolution Method
Other DetailsPRIOR TO THE MERGING OF PARTICLES FOR 3D RECONSTRUCTION, THE FOURIER TRANSFORM VALUES OF INDIVIDUAL IMAGES WERE CORRECTED FOR THE CTF.
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Data Acquisition
Detector TypeGENERIC TVIPS
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)100
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)150
Maximum Defocus (nm)1300
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification154380
Calibrated Magnification154380
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsSAMPLES WERE MAINTAINED AT 100K IN THE ELECTRON MICROSCOPE.
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
CTF CORRECTION OF EACH PARTICLE